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Universal Joint Bearings

Universal joint bearings, also known as U-joint bearings, consist of yokes (the end connections to the shafts), a cross (spider) that houses the bearings and enables the transfer of rotational motion, and bearings—typically needle rollers—within the bearing caps. They are designed to support smooth rotation and torque transmission between misaligned shafts, allowing angular misalignment and ensuring continuous rotary motion under dynamic operating conditions.
BKZ Industry, as a professional universal joint bearing manufacturer, produces a full range of U-joint solutions, including universal joint cross bearings, single U-joints, double U-joints, and constant velocity (CV) joints. Certified to ISO 9001 standards, our products are widely used in automotive, agriculture, marine, mining, and robotics applications.

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U Joint Bearings

Features & Advantages of BKZ Industry U-Joint Bearings

Engineered for reliable torque transmission between misaligned shafts, BKZ Industry U-joint bearings deliver stable performance under dynamic loads, shock conditions, and continuous operation. With advanced materials, precision manufacturing, and strict quality control, our solutions are trusted across automotive, agriculture, mining, and industrial applications.

Key Features of Universal Joint Bearings

Reliable Torque Transmission Under Misalignment

U-joint bearings use a central cross (spider) with needle roller bearings housed in bearing caps, allowing yokes to articulate smoothly. This structure enables efficient torque transmission between shafts operating at varying angles.

Compact and Space-Efficient Design

The integrated cross-and-cap construction, combined with short axial dimensions, provides a compact solution ideal for applications where installation space is limited without compromising performance.

High Load Capacity

Needle roller bearings create line contact with the raceway, significantly increasing load-carrying capacity. Combined with high-strength alloy or carburized steel and precision heat treatment, U-joint bearings can withstand heavy loads and shock conditions.

Low Maintenance and Long Service Life

With optimized sealing, proper lubrication (grease or maintenance-free options), and surface treatments, U-joint bearings achieve reduced wear, extended service life, and reliable long-term operation.

Flexible Design Configurations

Available in single and double U-joint assemblies with options for seals, grease fittings, and customized dimensions, BKZ bearings can be tailored to meet specific application requirements.

Why Choose BKZ Industry

Dedicated U-Joint Manufacturing Expertise

BKZ Industry operates specialized production lines for U-joint bearings, ensuring consistent quality, efficient manufacturing, and strict process control.

Strong Production Capacity

With advanced equipment and an experienced workforce, BKZ Industry is capable of high-volume production to meet large-scale and customized project demands.

Comprehensive Quality Control System (ISO 9001)

Quality is controlled at every stage—from raw material selection and heat treatment to fatigue life testing and corrosion resistance (salt spray testing)—ensuring reliable and consistent product performance.

Customization & OEM Support

We provide tailored solutions based on your drawings or application requirements, including material selection, structural optimization, and performance enhancement.

Professional Engineering Support

Our experienced engineering team offers technical consultation, design optimization, and application support to ensure the best bearing solution for your project.

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Universal Joint Bearing Types

Universal joint bearings can be classified based on structural design, bearing type, and configuration to meet different load, speed, and misalignment conditions.

U Joint Bearings Needle Roller Type

U-Joint Bearings (Needle Roller Type)

Use a central cross with multiple needle rollers enclosed in hardened bearing caps to support rotational movement at varying angles. This design ensures efficient load distribution, reduced friction, and stable performance, making it ideal for high-speed, heavy-duty applications such as vehicle drivetrains, farm equipment, and industrial power transmission systems.

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Universal Joint Bearings Plain Bearin Type

Universal Joint Bearings (Plain Bearing Type)

Use a cross (spider) with sliding contact surfaces instead of rolling elements, providing a simple, robust structure for low-speed and oscillating motion. It offers high shock resistance and better tolerance to contamination, commonly used in construction equipment, mining machinery, and heavy-duty industrial applications.

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Single Universal Joint Bearings

Single Universal Joint Bearings

A single cross (spider) connects two yokes, enabling torque transmission between misaligned shafts. The compact and straightforward structure allows angular movement while maintaining stable performance, making it suitable for automotive driveshafts, light industrial equipment, and general power transmission applications.

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Double Universal Joint Bearings

Double Universal Joint Bearings

Two universal joints connected by an intermediate shaft accommodate larger misalignment angles while reducing velocity fluctuation. This configuration improves transmission smoothness and stability under dynamic conditions, making it suitable for precision machinery, steering systems, and industrial equipment requiring consistent rotational performance.

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Sealed U Joint Bearings

Sealed U-Joint Bearings

Integrated seals are designed to retain lubrication and prevent the ingress of dust, water, and contaminants. This structure enhances durability, reduces maintenance requirements, and ensures stable performance in harsh environments, making it suitable for off-road vehicles, agricultural machinery, and heavy-duty industrial applications.

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Greaseable U Joint Bearings

Greaseable U-Joint Bearings

Equipped with grease fittings to allow regular lubrication, ensuring reduced wear and extended service life under heavy loads. This design supports reliable performance and easier maintenance, making it ideal for trucks, construction equipment, agricultural machinery, and other demanding transmission applications.

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*We also offer bearings not listed here. Contact us for more options.

Universal Joint Bearing Size Chart

Universal joint bearings are typically specified by cross dimensions and series standards (such as DIN or SAE), rather than a unified ISO size system. Custom sizes are widely available to meet specific application requirements. The following sizes are provided for reference based on previous projects and may not be suitable for all applications. For optimal selection, please contact us with your requirements, and our engineering team will provide a tailored solution.

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Part No.SeriesBearing Cap Diameter (D, mm)Journal Diameter (d, mm)Overall Width (L, mm)Cross Width (B, mm)Snap Ring TypeLubrication TypeMaximum Torque (Tmax, Nm)
BKZ-UJ-10-6-37 Light Duty 10 6 37 18 External Greaseable 12
BKZ-UJ-10-7-39 Light Duty 10 7 39 19 External Greaseable 12
BKZ-UJ-10-5-41 Light Duty 10 5 41 20 External Greaseable 12
BKZ-UJ-10-6-43 Light Duty 10 6 43 21 External Greaseable 12
BKZ-UJ-10-7-45 Light Duty 10 7 45 22 External Greaseable 12
BKZ-UJ-10-5-47 Light Duty 10 5 47 23 External Greaseable 12
BKZ-UJ-10-6-49 Light Duty 10 6 49 24 External Greaseable 12
BKZ-UJ-10-7-51 Light Duty 10 7 51 25 External Greaseable 12
BKZ-UJ-10-5-53 Light Duty 10 5 53 26 External Greaseable 12
BKZ-UJ-10-6-55 Light Duty 10 6 55 27 External Greaseable 12
BKZ-UJ-11-6-40 Light Duty 11 6 40 20 External Greaseable 14
BKZ-UJ-11-7-42 Light Duty 11 7 42 21 External Greaseable 14
BKZ-UJ-11-5-44 Light Duty 11 5 44 22 External Greaseable 14
BKZ-UJ-11-6-46 Light Duty 11 6 46 23 External Greaseable 14
BKZ-UJ-11-7-48 Light Duty 11 7 48 24 External Greaseable 14
BKZ-UJ-11-5-50 Light Duty 11 5 50 25 External Greaseable 14
BKZ-UJ-11-6-52 Light Duty 11 6 52 26 External Greaseable 14
BKZ-UJ-11-7-54 Light Duty 11 7 54 27 External Greaseable 14
BKZ-UJ-11-5-56 Light Duty 11 5 56 28 External Greaseable 14
BKZ-UJ-11-6-58 Light Duty 11 6 58 29 External Greaseable 14
BKZ-UJ-12-7-44 Light Duty 12 7 44 22 External Greaseable 17
BKZ-UJ-12-8-46 Light Duty 12 8 46 23 External Greaseable 17
BKZ-UJ-12-6-48 Light Duty 12 6 48 24 External Greaseable 17
BKZ-UJ-12-7-50 Light Duty 12 7 50 25 External Greaseable 17
BKZ-UJ-12-8-52 Light Duty 12 8 52 26 External Greaseable 17
BKZ-UJ-12-6-54 Light Duty 12 6 54 27 External Greaseable 17
BKZ-UJ-12-7-56 Light Duty 12 7 56 28 External Greaseable 17
BKZ-UJ-12-8-58 Light Duty 12 8 58 29 External Greaseable 17
BKZ-UJ-12-6-60 Light Duty 12 6 60 30 External Greaseable 17
BKZ-UJ-12-7-62 Light Duty 12 7 62 31 External Greaseable 17
BKZ-UJ-13-7-47 Light Duty 13 7 47 23 External Greaseable 20
BKZ-UJ-13-8-49 Light Duty 13 8 49 24 External Greaseable 20
BKZ-UJ-13-6-51 Light Duty 13 6 51 25 External Greaseable 20
BKZ-UJ-13-7-53 Light Duty 13 7 53 26 External Greaseable 20
BKZ-UJ-13-8-55 Light Duty 13 8 55 27 External Greaseable 20
BKZ-UJ-13-6-57 Light Duty 13 6 57 28 External Greaseable 20
BKZ-UJ-13-7-59 Light Duty 13 7 59 29 External Greaseable 20
BKZ-UJ-13-8-61 Light Duty 13 8 61 30 External Greaseable 20
BKZ-UJ-13-6-63 Light Duty 13 6 63 31 External Greaseable 20
BKZ-UJ-13-7-65 Light Duty 13 7 65 32 External Greaseable 20
BKZ-UJ-14-8-51 Light Duty 14 8 51 25 Internal Greaseable 23
BKZ-UJ-14-9-53 Light Duty 14 9 53 26 Internal Greaseable 23
BKZ-UJ-14-7-55 Light Duty 14 7 55 27 Internal Greaseable 23
BKZ-UJ-14-8-57 Light Duty 14 8 57 28 Internal Greaseable 23
BKZ-UJ-14-9-59 Light Duty 14 9 59 29 Internal Greaseable 23
BKZ-UJ-14-7-61 Light Duty 14 7 61 30 Internal Greaseable 23
BKZ-UJ-14-8-63 Light Duty 14 8 63 31 Internal Greaseable 23
BKZ-UJ-14-9-65 Light Duty 14 9 65 32 Internal Greaseable 23
BKZ-UJ-14-7-67 Light Duty 14 7 67 33 Internal Greaseable 23
BKZ-UJ-14-8-69 Light Duty 14 8 69 34 Internal Greaseable 23
BKZ-UJ-15-8-54 Light Duty 15 8 54 27 Internal Greaseable 27
BKZ-UJ-15-9-56 Light Duty 15 9 56 28 Internal Greaseable 27
BKZ-UJ-15-7-58 Light Duty 15 7 58 29 Internal Greaseable 27
BKZ-UJ-15-8-60 Light Duty 15 8 60 30 Internal Greaseable 27
BKZ-UJ-15-9-62 Light Duty 15 9 62 31 Internal Greaseable 27
BKZ-UJ-15-7-64 Light Duty 15 7 64 32 Internal Greaseable 27
BKZ-UJ-15-8-66 Light Duty 15 8 66 33 Internal Greaseable 27
BKZ-UJ-15-9-68 Light Duty 15 9 68 34 Internal Greaseable 27
BKZ-UJ-15-7-70 Light Duty 15 7 70 35 Internal Greaseable 27
BKZ-UJ-15-8-72 Light Duty 15 8 72 36 Internal Greaseable 27
BKZ-UJ-16-9-58 Light Duty 16 9 58 29 Internal Greaseable 30
BKZ-UJ-16-10-60 Light Duty 16 10 60 30 Internal Greaseable 30
BKZ-UJ-16-8-62 Light Duty 16 8 62 31 Internal Greaseable 30
BKZ-UJ-16-9-64 Light Duty 16 9 64 32 Internal Greaseable 30
BKZ-UJ-16-10-66 Light Duty 16 10 66 33 Internal Greaseable 30
BKZ-UJ-16-8-68 Light Duty 16 8 68 34 Internal Greaseable 30
BKZ-UJ-16-9-70 Light Duty 16 9 70 35 Internal Greaseable 30
BKZ-UJ-16-10-72 Light Duty 16 10 72 36 Internal Greaseable 30
BKZ-UJ-16-8-74 Light Duty 16 8 74 37 Internal Greaseable 30
BKZ-UJ-16-9-76 Light Duty 16 9 76 38 Internal Greaseable 30
BKZ-UJ-17-9-61 Standard 17 9 61 30 Internal Greaseable 34
BKZ-UJ-17-10-63 Standard 17 10 63 31 Internal Greaseable 34
BKZ-UJ-17-8-65 Standard 17 8 65 32 Internal Greaseable 34
BKZ-UJ-17-9-67 Standard 17 9 67 33 Internal Greaseable 34
BKZ-UJ-17-10-69 Standard 17 10 69 34 Internal Greaseable 34
BKZ-UJ-17-8-71 Standard 17 8 71 35 Internal Greaseable 34
BKZ-UJ-17-9-73 Standard 17 9 73 36 Internal Greaseable 34
BKZ-UJ-17-10-75 Standard 17 10 75 37 Internal Greaseable 34
BKZ-UJ-17-8-77 Standard 17 8 77 38 Internal Greaseable 34
BKZ-UJ-17-9-79 Standard 17 9 79 39 Internal Greaseable 34
BKZ-UJ-18-10-65 Standard 18 10 65 32 Internal Greaseable 38
BKZ-UJ-18-11-67 Standard 18 11 67 33 Internal Greaseable 38
BKZ-UJ-18-9-69 Standard 18 9 69 34 Internal Greaseable 38
BKZ-UJ-18-10-71 Standard 18 10 71 35 Internal Greaseable 38
BKZ-UJ-18-11-73 Standard 18 11 73 36 Internal Greaseable 38
BKZ-UJ-18-9-75 Standard 18 9 75 37 Internal Greaseable 38
BKZ-UJ-18-10-77 Standard 18 10 77 38 Internal Greaseable 38
BKZ-UJ-18-11-79 Standard 18 11 79 39 Internal Greaseable 38
BKZ-UJ-18-9-81 Standard 18 9 81 40 Internal Greaseable 38
BKZ-UJ-18-10-83 Standard 18 10 83 41 Internal Greaseable 38
BKZ-UJ-19-10-68 Standard 19 10 68 34 Internal Greaseable 43
BKZ-UJ-19-11-70 Standard 19 11 70 35 Internal Greaseable 43
BKZ-UJ-19-9-72 Standard 19 9 72 36 Internal Greaseable 43
BKZ-UJ-19-10-74 Standard 19 10 74 37 Internal Greaseable 43
BKZ-UJ-19-11-76 Standard 19 11 76 38 Internal Greaseable 43
BKZ-UJ-19-9-78 Standard 19 9 78 39 Internal Greaseable 43
BKZ-UJ-19-10-80 Standard 19 10 80 40 Internal Greaseable 43
BKZ-UJ-19-11-82 Standard 19 11 82 41 Internal Greaseable 43
BKZ-UJ-19-9-84 Standard 19 9 84 42 Internal Greaseable 43
BKZ-UJ-19-10-86 Standard 19 10 86 43 Internal Greaseable 43
BKZ-UJ-20-11-72 Standard 20 11 72 36 Internal Greaseable 48
BKZ-UJ-20-12-74 Standard 20 12 74 37 Internal Greaseable 48
BKZ-UJ-20-10-76 Standard 20 10 76 38 Internal Greaseable 48
BKZ-UJ-20-11-78 Standard 20 11 78 39 Internal Greaseable 48
BKZ-UJ-20-12-80 Standard 20 12 80 40 Internal Greaseable 48
BKZ-UJ-20-10-82 Standard 20 10 82 41 Internal Greaseable 48
BKZ-UJ-20-11-84 Standard 20 11 84 42 Internal Greaseable 48
BKZ-UJ-20-12-86 Standard 20 12 86 43 Internal Greaseable 48
BKZ-UJ-20-10-88 Standard 20 10 88 44 Internal Greaseable 48
BKZ-UJ-20-11-90 Standard 20 11 90 45 Internal Greaseable 48
BKZ-UJ-21-11-75 Standard 21 11 75 37 Internal Greaseable 52
BKZ-UJ-21-12-77 Standard 21 12 77 38 Internal Greaseable 52
BKZ-UJ-21-10-79 Standard 21 10 79 39 Internal Greaseable 52
BKZ-UJ-21-11-81 Standard 21 11 81 40 Internal Greaseable 52
BKZ-UJ-21-12-83 Standard 21 12 83 41 Internal Greaseable 52
BKZ-UJ-21-10-85 Standard 21 10 85 42 Internal Greaseable 52
BKZ-UJ-21-11-87 Standard 21 11 87 43 Internal Greaseable 52
BKZ-UJ-21-12-89 Standard 21 12 89 44 Internal Greaseable 52
BKZ-UJ-21-10-91 Standard 21 10 91 45 Internal Greaseable 52
BKZ-UJ-21-11-93 Standard 21 11 93 46 Internal Greaseable 52
BKZ-UJ-22-12-79 Standard 22 12 79 39 Internal Greaseable 58
BKZ-UJ-22-13-81 Standard 22 13 81 40 Internal Greaseable 58
BKZ-UJ-22-11-83 Standard 22 11 83 41 Internal Greaseable 58
BKZ-UJ-22-12-85 Standard 22 12 85 42 Internal Greaseable 58
BKZ-UJ-22-13-87 Standard 22 13 87 43 Internal Greaseable 58
BKZ-UJ-22-11-89 Standard 22 11 89 44 Internal Greaseable 58
BKZ-UJ-22-12-91 Standard 22 12 91 45 Internal Greaseable 58
BKZ-UJ-22-13-93 Standard 22 13 93 46 Internal Greaseable 58
BKZ-UJ-22-11-95 Standard 22 11 95 47 Internal Greaseable 58
BKZ-UJ-22-12-97 Standard 22 12 97 48 Internal Greaseable 58
BKZ-UJ-23-12-82 Standard 23 12 82 41 Internal Greaseable 63
BKZ-UJ-23-13-84 Standard 23 13 84 42 Internal Greaseable 63
BKZ-UJ-23-11-86 Standard 23 11 86 43 Internal Greaseable 63
BKZ-UJ-23-12-88 Standard 23 12 88 44 Internal Greaseable 63
BKZ-UJ-23-13-90 Standard 23 13 90 45 Internal Greaseable 63
BKZ-UJ-23-11-92 Standard 23 11 92 46 Internal Greaseable 63
BKZ-UJ-23-12-94 Standard 23 12 94 47 Internal Greaseable 63
BKZ-UJ-23-13-96 Standard 23 13 96 48 Internal Greaseable 63
BKZ-UJ-23-11-98 Standard 23 11 98 49 Internal Greaseable 63
BKZ-UJ-23-12-100 Standard 23 12 100 50 Internal Greaseable 63
BKZ-UJ-24-13-86 Standard 24 13 86 43 Internal Greaseable 69
BKZ-UJ-24-14-88 Standard 24 14 88 44 Internal Greaseable 69
BKZ-UJ-24-12-90 Standard 24 12 90 45 Internal Greaseable 69
BKZ-UJ-24-13-92 Standard 24 13 92 46 Internal Greaseable 69
BKZ-UJ-24-14-94 Standard 24 14 94 47 Internal Greaseable 69
BKZ-UJ-24-12-96 Standard 24 12 96 48 Internal Greaseable 69
BKZ-UJ-24-13-98 Standard 24 13 98 49 Internal Greaseable 69
BKZ-UJ-24-14-100 Standard 24 14 100 50 Internal Greaseable 69
BKZ-UJ-24-12-102 Standard 24 12 102 51 Internal Greaseable 69
BKZ-UJ-24-13-104 Standard 24 13 104 52 Internal Greaseable 69
BKZ-UJ-25-13-89 Standard 25 13 89 44 Internal Greaseable 75
BKZ-UJ-25-14-91 Standard 25 14 91 45 Internal Greaseable 75
BKZ-UJ-25-12-93 Standard 25 12 93 46 Internal Greaseable 75
BKZ-UJ-25-13-95 Standard 25 13 95 47 Internal Greaseable 75
BKZ-UJ-25-14-97 Standard 25 14 97 48 Internal Greaseable 75
BKZ-UJ-25-12-99 Standard 25 12 99 49 Internal Greaseable 75
BKZ-UJ-25-13-101 Standard 25 13 101 50 Internal Greaseable 75
BKZ-UJ-25-14-103 Standard 25 14 103 51 Internal Greaseable 75
BKZ-UJ-25-12-105 Standard 25 12 105 52 Internal Greaseable 75
BKZ-UJ-25-13-107 Standard 25 13 107 53 Internal Greaseable 75
BKZ-UJ-26-14-93 Medium Duty 26 14 93 46 Internal Greaseable 81
BKZ-UJ-26-15-95 Medium Duty 26 15 95 47 Internal Greaseable 81
BKZ-UJ-26-13-97 Medium Duty 26 13 97 48 Internal Greaseable 81
BKZ-UJ-26-14-99 Medium Duty 26 14 99 49 Internal Greaseable 81
BKZ-UJ-26-15-101 Medium Duty 26 15 101 50 Internal Greaseable 81
BKZ-UJ-26-13-103 Medium Duty 26 13 103 51 Internal Greaseable 81
BKZ-UJ-26-14-105 Medium Duty 26 14 105 52 Internal Greaseable 81
BKZ-UJ-26-15-107 Medium Duty 26 15 107 53 Internal Greaseable 81
BKZ-UJ-26-13-109 Medium Duty 26 13 109 54 Internal Greaseable 81
BKZ-UJ-26-14-111 Medium Duty 26 14 111 55 Internal Greaseable 81
BKZ-UJ-27-14-96 Medium Duty 27 14 96 48 Internal Greaseable 87
BKZ-UJ-27-15-98 Medium Duty 27 15 98 49 Internal Greaseable 87
BKZ-UJ-27-13-100 Medium Duty 27 13 100 50 Internal Greaseable 87
BKZ-UJ-27-14-102 Medium Duty 27 14 102 51 Internal Greaseable 87
BKZ-UJ-27-15-104 Medium Duty 27 15 104 52 Internal Greaseable 87
BKZ-UJ-27-13-106 Medium Duty 27 13 106 53 Internal Greaseable 87
BKZ-UJ-27-14-108 Medium Duty 27 14 108 54 Internal Greaseable 87
BKZ-UJ-27-15-110 Medium Duty 27 15 110 55 Internal Greaseable 87
BKZ-UJ-27-13-112 Medium Duty 27 13 112 56 Internal Greaseable 87
BKZ-UJ-27-14-114 Medium Duty 27 14 114 57 Internal Greaseable 87
BKZ-UJ-28-15-100 Medium Duty 28 15 100 50 Internal Greaseable 94
BKZ-UJ-28-16-102 Medium Duty 28 16 102 51 Internal Greaseable 94
BKZ-UJ-28-14-104 Medium Duty 28 14 104 52 Internal Greaseable 94
BKZ-UJ-28-15-106 Medium Duty 28 15 106 53 Internal Greaseable 94
BKZ-UJ-28-16-108 Medium Duty 28 16 108 54 Internal Greaseable 94
BKZ-UJ-28-14-110 Medium Duty 28 14 110 55 Internal Greaseable 94
BKZ-UJ-28-15-112 Medium Duty 28 15 112 56 Internal Greaseable 94
BKZ-UJ-28-16-114 Medium Duty 28 16 114 57 Internal Greaseable 94
BKZ-UJ-28-14-116 Medium Duty 28 14 116 58 Internal Greaseable 94
BKZ-UJ-28-15-118 Medium Duty 28 15 118 59 Internal Greaseable 94
BKZ-UJ-29-15-103 Medium Duty 29 15 103 51 Internal Greaseable 100
BKZ-UJ-29-16-105 Medium Duty 29 16 105 52 Internal Greaseable 100
BKZ-UJ-29-14-107 Medium Duty 29 14 107 53 Internal Greaseable 100
BKZ-UJ-29-15-109 Medium Duty 29 15 109 54 Internal Greaseable 100
BKZ-UJ-29-16-111 Medium Duty 29 16 111 55 Internal Greaseable 100
BKZ-UJ-29-14-113 Medium Duty 29 14 113 56 Internal Greaseable 100
BKZ-UJ-29-15-115 Medium Duty 29 15 115 57 Internal Greaseable 100
BKZ-UJ-29-16-117 Medium Duty 29 16 117 58 Internal Greaseable 100
BKZ-UJ-29-14-119 Medium Duty 29 14 119 59 Internal Greaseable 100
BKZ-UJ-29-15-121 Medium Duty 29 15 121 60 Internal Greaseable 100
BKZ-UJ-30-16-107 Medium Duty 30 16 107 53 Internal Greaseable 108
BKZ-UJ-30-17-109 Medium Duty 30 17 109 54 Internal Greaseable 108
BKZ-UJ-30-15-111 Medium Duty 30 15 111 55 Internal Greaseable 108
BKZ-UJ-30-16-113 Medium Duty 30 16 113 56 Internal Greaseable 108
BKZ-UJ-30-17-115 Medium Duty 30 17 115 57 Internal Greaseable 108
BKZ-UJ-30-15-117 Medium Duty 30 15 117 58 Internal Greaseable 108
BKZ-UJ-30-16-119 Medium Duty 30 16 119 59 Internal Greaseable 108
BKZ-UJ-30-17-121 Medium Duty 30 17 121 60 Internal Greaseable 108
BKZ-UJ-30-15-123 Medium Duty 30 15 123 61 Internal Greaseable 108
BKZ-UJ-30-16-125 Medium Duty 30 16 125 62 Internal Greaseable 108
BKZ-UJ-31-16-110 Medium Duty 31 16 110 55 Internal Greaseable 115
BKZ-UJ-31-17-112 Medium Duty 31 17 112 56 Internal Greaseable 115
BKZ-UJ-31-15-114 Medium Duty 31 15 114 57 Internal Greaseable 115
BKZ-UJ-31-16-116 Medium Duty 31 16 116 58 Internal Greaseable 115
BKZ-UJ-31-17-118 Medium Duty 31 17 118 59 Internal Greaseable 115
BKZ-UJ-31-15-120 Medium Duty 31 15 120 60 Internal Greaseable 115
BKZ-UJ-31-16-122 Medium Duty 31 16 122 61 Internal Greaseable 115
BKZ-UJ-31-17-124 Medium Duty 31 17 124 62 Internal Greaseable 115
BKZ-UJ-31-15-126 Medium Duty 31 15 126 63 Internal Greaseable 115
BKZ-UJ-31-16-128 Medium Duty 31 16 128 64 Internal Greaseable 115
BKZ-UJ-32-17-114 Medium Duty 32 17 114 57 Internal Greaseable 122
BKZ-UJ-32-18-116 Medium Duty 32 18 116 58 Internal Greaseable 122
BKZ-UJ-32-16-118 Medium Duty 32 16 118 59 Internal Greaseable 122
BKZ-UJ-32-17-120 Medium Duty 32 17 120 60 Internal Greaseable 122
BKZ-UJ-32-18-122 Medium Duty 32 18 122 61 Internal Greaseable 122
BKZ-UJ-32-16-124 Medium Duty 32 16 124 62 Internal Greaseable 122
BKZ-UJ-32-17-126 Medium Duty 32 17 126 63 Internal Greaseable 122
BKZ-UJ-32-18-128 Medium Duty 32 18 128 64 Internal Greaseable 122
BKZ-UJ-32-16-130 Medium Duty 32 16 130 65 Internal Greaseable 122
BKZ-UJ-32-17-132 Medium Duty 32 17 132 66 Internal Greaseable 122
BKZ-UJ-33-17-117 Heavy Duty 33 17 117 58 Internal Greaseable 130
BKZ-UJ-33-18-119 Heavy Duty 33 18 119 59 Internal Greaseable 130
BKZ-UJ-33-16-121 Heavy Duty 33 16 121 60 Internal Greaseable 130
BKZ-UJ-33-17-123 Heavy Duty 33 17 123 61 Internal Greaseable 130
BKZ-UJ-33-18-125 Heavy Duty 33 18 125 62 Internal Greaseable 130
BKZ-UJ-33-16-127 Heavy Duty 33 16 127 63 Internal Greaseable 130
BKZ-UJ-33-17-129 Heavy Duty 33 17 129 64 Internal Greaseable 130
BKZ-UJ-33-18-131 Heavy Duty 33 18 131 65 Internal Greaseable 130
BKZ-UJ-33-16-133 Heavy Duty 33 16 133 66 Internal Greaseable 130
BKZ-UJ-33-17-135 Heavy Duty 33 17 135 67 Internal Greaseable 130
BKZ-UJ-34-18-121 Heavy Duty 34 18 121 60 Internal Greaseable 138
BKZ-UJ-34-19-123 Heavy Duty 34 19 123 61 Internal Greaseable 138
BKZ-UJ-34-17-125 Heavy Duty 34 17 125 62 Internal Greaseable 138
BKZ-UJ-34-18-127 Heavy Duty 34 18 127 63 Internal Greaseable 138
BKZ-UJ-34-19-129 Heavy Duty 34 19 129 64 Internal Greaseable 138
BKZ-UJ-34-17-131 Heavy Duty 34 17 131 65 Internal Greaseable 138
BKZ-UJ-34-18-133 Heavy Duty 34 18 133 66 Internal Greaseable 138
BKZ-UJ-34-19-135 Heavy Duty 34 19 135 67 Internal Greaseable 138
BKZ-UJ-34-17-137 Heavy Duty 34 17 137 68 Internal Greaseable 138
BKZ-UJ-34-18-139 Heavy Duty 34 18 139 69 Internal Greaseable 138
BKZ-UJ-35-18-124 Heavy Duty 35 18 124 62 Internal Greaseable 147
BKZ-UJ-35-19-126 Heavy Duty 35 19 126 63 Internal Greaseable 147
BKZ-UJ-35-17-128 Heavy Duty 35 17 128 64 Internal Greaseable 147
BKZ-UJ-35-18-130 Heavy Duty 35 18 130 65 Internal Greaseable 147
BKZ-UJ-35-19-132 Heavy Duty 35 19 132 66 Internal Greaseable 147
BKZ-UJ-35-17-134 Heavy Duty 35 17 134 67 Internal Greaseable 147
BKZ-UJ-35-18-136 Heavy Duty 35 18 136 68 Internal Greaseable 147
BKZ-UJ-35-19-138 Heavy Duty 35 19 138 69 Internal Greaseable 147
BKZ-UJ-35-17-140 Heavy Duty 35 17 140 70 Internal Greaseable 147
BKZ-UJ-35-18-142 Heavy Duty 35 18 142 71 Internal Greaseable 147
BKZ-UJ-36-19-128 Heavy Duty 36 19 128 64 Internal Greaseable 155
BKZ-UJ-36-20-130 Heavy Duty 36 20 130 65 Internal Greaseable 155
BKZ-UJ-36-18-132 Heavy Duty 36 18 132 66 Internal Greaseable 155
BKZ-UJ-36-19-134 Heavy Duty 36 19 134 67 Internal Greaseable 155
BKZ-UJ-36-20-136 Heavy Duty 36 20 136 68 Internal Greaseable 155
BKZ-UJ-36-18-138 Heavy Duty 36 18 138 69 Internal Greaseable 155
BKZ-UJ-36-19-140 Heavy Duty 36 19 140 70 Internal Greaseable 155
BKZ-UJ-36-20-142 Heavy Duty 36 20 142 71 Internal Greaseable 155
BKZ-UJ-36-18-144 Heavy Duty 36 18 144 72 Internal Greaseable 155
BKZ-UJ-36-19-146 Heavy Duty 36 19 146 73 Internal Greaseable 155
BKZ-UJ-37-19-131 Heavy Duty 37 19 131 65 Internal Greaseable 164
BKZ-UJ-37-20-133 Heavy Duty 37 20 133 66 Internal Greaseable 164
BKZ-UJ-37-18-135 Heavy Duty 37 18 135 67 Internal Greaseable 164
BKZ-UJ-37-19-137 Heavy Duty 37 19 137 68 Internal Greaseable 164
BKZ-UJ-37-20-139 Heavy Duty 37 20 139 69 Internal Greaseable 164
BKZ-UJ-37-18-141 Heavy Duty 37 18 141 70 Internal Greaseable 164
BKZ-UJ-37-19-143 Heavy Duty 37 19 143 71 Internal Greaseable 164
BKZ-UJ-37-20-145 Heavy Duty 37 20 145 72 Internal Greaseable 164
BKZ-UJ-37-18-147 Heavy Duty 37 18 147 73 Internal Greaseable 164
BKZ-UJ-37-19-149 Heavy Duty 37 19 149 74 Internal Greaseable 164
BKZ-UJ-38-20-135 Heavy Duty 38 20 135 67 Internal Greaseable 173
BKZ-UJ-38-21-137 Heavy Duty 38 21 137 68 Internal Greaseable 173
BKZ-UJ-38-19-139 Heavy Duty 38 19 139 69 Internal Greaseable 173
BKZ-UJ-38-20-141 Heavy Duty 38 20 141 70 Internal Greaseable 173
BKZ-UJ-38-21-143 Heavy Duty 38 21 143 71 Internal Greaseable 173
BKZ-UJ-38-19-145 Heavy Duty 38 19 145 72 Internal Greaseable 173
BKZ-UJ-38-20-147 Heavy Duty 38 20 147 73 Internal Greaseable 173
BKZ-UJ-38-21-149 Heavy Duty 38 21 149 74 Internal Greaseable 173
BKZ-UJ-38-19-151 Heavy Duty 38 19 151 75 Internal Greaseable 173
BKZ-UJ-38-20-153 Heavy Duty 38 20 153 76 Internal Greaseable 173
BKZ-UJ-39-20-138 Heavy Duty 39 20 138 69 Internal Greaseable 182
BKZ-UJ-39-21-140 Heavy Duty 39 21 140 70 Internal Greaseable 182
BKZ-UJ-39-19-142 Heavy Duty 39 19 142 71 Internal Greaseable 182
BKZ-UJ-39-20-144 Heavy Duty 39 20 144 72 Internal Greaseable 182
BKZ-UJ-39-21-146 Heavy Duty 39 21 146 73 Internal Greaseable 182
BKZ-UJ-39-19-148 Heavy Duty 39 19 148 74 Internal Greaseable 182
BKZ-UJ-39-20-150 Heavy Duty 39 20 150 75 Internal Greaseable 182
BKZ-UJ-39-21-152 Heavy Duty 39 21 152 76 Internal Greaseable 182
BKZ-UJ-39-19-154 Heavy Duty 39 19 154 77 Internal Greaseable 182
BKZ-UJ-39-20-156 Heavy Duty 39 20 156 78 Internal Greaseable 182
BKZ-UJ-40-21-142 Heavy Duty 40 21 142 71 Internal Greaseable 192
BKZ-UJ-40-22-144 Heavy Duty 40 22 144 72 Internal Greaseable 192
BKZ-UJ-40-20-146 Heavy Duty 40 20 146 73 Internal Greaseable 192
BKZ-UJ-40-21-148 Heavy Duty 40 21 148 74 Internal Greaseable 192
BKZ-UJ-40-22-150 Heavy Duty 40 22 150 75 Internal Greaseable 192
BKZ-UJ-40-20-152 Heavy Duty 40 20 152 76 Internal Greaseable 192
BKZ-UJ-40-21-154 Heavy Duty 40 21 154 77 Internal Greaseable 192
BKZ-UJ-40-22-156 Heavy Duty 40 22 156 78 Internal Greaseable 192
BKZ-UJ-40-20-158 Heavy Duty 40 20 158 79 Internal Greaseable 192
BKZ-UJ-40-21-160 Heavy Duty 40 21 160 80 Internal Greaseable 192
BKZ-UJ-41-21-145 Heavy Duty 41 21 145 72 Internal Greaseable 201
BKZ-UJ-41-22-147 Heavy Duty 41 22 147 73 Internal Greaseable 201
BKZ-UJ-41-20-149 Heavy Duty 41 20 149 74 Internal Greaseable 201
BKZ-UJ-41-21-151 Heavy Duty 41 21 151 75 Internal Greaseable 201
BKZ-UJ-41-22-153 Heavy Duty 41 22 153 76 Internal Greaseable 201
BKZ-UJ-41-20-155 Heavy Duty 41 20 155 77 Internal Greaseable 201
BKZ-UJ-41-21-157 Heavy Duty 41 21 157 78 Internal Greaseable 201
BKZ-UJ-41-22-159 Heavy Duty 41 22 159 79 Internal Greaseable 201
BKZ-UJ-41-20-161 Heavy Duty 41 20 161 80 Internal Greaseable 201
BKZ-UJ-41-21-163 Heavy Duty 41 21 163 81 Internal Greaseable 201
BKZ-UJ-42-22-149 Heavy Duty 42 22 149 74 Internal Greaseable 211
BKZ-UJ-42-23-151 Heavy Duty 42 23 151 75 Internal Greaseable 211
BKZ-UJ-42-21-153 Heavy Duty 42 21 153 76 Internal Greaseable 211
BKZ-UJ-42-22-155 Heavy Duty 42 22 155 77 Internal Greaseable 211
BKZ-UJ-42-23-157 Heavy Duty 42 23 157 78 Internal Greaseable 211
BKZ-UJ-42-21-159 Heavy Duty 42 21 159 79 Internal Greaseable 211
BKZ-UJ-42-22-161 Heavy Duty 42 22 161 80 Internal Greaseable 211
BKZ-UJ-42-23-163 Heavy Duty 42 23 163 81 Internal Greaseable 211
BKZ-UJ-42-21-165 Heavy Duty 42 21 165 82 Internal Greaseable 211
BKZ-UJ-42-22-167 Heavy Duty 42 22 167 83 Internal Greaseable 211
BKZ-UJ-43-22-152 Heavy Duty 43 22 152 76 Internal Greaseable 221
BKZ-UJ-43-23-154 Heavy Duty 43 23 154 77 Internal Greaseable 221
BKZ-UJ-43-21-156 Heavy Duty 43 21 156 78 Internal Greaseable 221
BKZ-UJ-43-22-158 Heavy Duty 43 22 158 79 Internal Greaseable 221
BKZ-UJ-43-23-160 Heavy Duty 43 23 160 80 Internal Greaseable 221
BKZ-UJ-43-21-162 Heavy Duty 43 21 162 81 Internal Greaseable 221
BKZ-UJ-43-22-164 Heavy Duty 43 22 164 82 Internal Greaseable 221
BKZ-UJ-43-23-166 Heavy Duty 43 23 166 83 Internal Greaseable 221
BKZ-UJ-43-21-168 Heavy Duty 43 21 168 84 Internal Greaseable 221
BKZ-UJ-43-22-170 Heavy Duty 43 22 170 85 Internal Greaseable 221
BKZ-UJ-44-23-156 Heavy Duty 44 23 156 78 Internal Greaseable 232
BKZ-UJ-44-24-158 Heavy Duty 44 24 158 79 Internal Greaseable 232
BKZ-UJ-44-22-160 Heavy Duty 44 22 160 80 Internal Greaseable 232
BKZ-UJ-44-23-162 Heavy Duty 44 23 162 81 Internal Greaseable 232
BKZ-UJ-44-24-164 Heavy Duty 44 24 164 82 Internal Greaseable 232
BKZ-UJ-44-22-166 Heavy Duty 44 22 166 83 Internal Greaseable 232
BKZ-UJ-44-23-168 Heavy Duty 44 23 168 84 Internal Greaseable 232
BKZ-UJ-44-24-170 Heavy Duty 44 24 170 85 Internal Greaseable 232
BKZ-UJ-44-22-172 Heavy Duty 44 22 172 86 Internal Greaseable 232
BKZ-UJ-44-23-174 Heavy Duty 44 23 174 87 Internal Greaseable 232
BKZ-UJ-45-23-159 Heavy Duty 45 23 159 79 Internal Greaseable 243
BKZ-UJ-45-24-161 Heavy Duty 45 24 161 80 Internal Greaseable 243
BKZ-UJ-45-22-163 Heavy Duty 45 22 163 81 Internal Greaseable 243
BKZ-UJ-45-23-165 Heavy Duty 45 23 165 82 Internal Greaseable 243
BKZ-UJ-45-24-167 Heavy Duty 45 24 167 83 Internal Greaseable 243
BKZ-UJ-45-22-169 Heavy Duty 45 22 169 84 Internal Greaseable 243
BKZ-UJ-45-23-171 Heavy Duty 45 23 171 85 Internal Greaseable 243
BKZ-UJ-45-24-173 Heavy Duty 45 24 173 86 Internal Greaseable 243
BKZ-UJ-45-22-175 Heavy Duty 45 22 175 87 Internal Greaseable 243
BKZ-UJ-45-23-177 Heavy Duty 45 23 177 88 Internal Greaseable 243
BKZ-UJ-46-24-163 Heavy Duty 46 24 163 81 Internal Greaseable 253
BKZ-UJ-46-25-165 Heavy Duty 46 25 165 82 Internal Greaseable 253
BKZ-UJ-46-23-167 Heavy Duty 46 23 167 83 Internal Greaseable 253
BKZ-UJ-46-24-169 Heavy Duty 46 24 169 84 Internal Greaseable 253
BKZ-UJ-46-25-171 Heavy Duty 46 25 171 85 Internal Greaseable 253
BKZ-UJ-46-23-173 Heavy Duty 46 23 173 86 Internal Greaseable 253
BKZ-UJ-46-24-175 Heavy Duty 46 24 175 87 Internal Greaseable 253
BKZ-UJ-46-25-177 Heavy Duty 46 25 177 88 Internal Greaseable 253
BKZ-UJ-46-23-179 Heavy Duty 46 23 179 89 Internal Greaseable 253
BKZ-UJ-46-24-181 Heavy Duty 46 24 181 90 Internal Greaseable 253
BKZ-UJ-47-24-166 Heavy Duty 47 24 166 83 Internal Greaseable 265
BKZ-UJ-47-25-168 Heavy Duty 47 25 168 84 Internal Greaseable 265
BKZ-UJ-47-23-170 Heavy Duty 47 23 170 85 Internal Greaseable 265
BKZ-UJ-47-24-172 Heavy Duty 47 24 172 86 Internal Greaseable 265
BKZ-UJ-47-25-174 Heavy Duty 47 25 174 87 Internal Greaseable 265
BKZ-UJ-47-23-176 Heavy Duty 47 23 176 88 Internal Greaseable 265
BKZ-UJ-47-24-178 Heavy Duty 47 24 178 89 Internal Greaseable 265
BKZ-UJ-47-25-180 Heavy Duty 47 25 180 90 Internal Greaseable 265
BKZ-UJ-47-23-182 Heavy Duty 47 23 182 91 Internal Greaseable 265
BKZ-UJ-47-24-184 Heavy Duty 47 24 184 92 Internal Greaseable 265
BKZ-UJ-48-25-170 Industrial 48 25 170 85 Internal Greaseable 276
BKZ-UJ-48-26-172 Industrial 48 26 172 86 Internal Greaseable 276
BKZ-UJ-48-24-174 Industrial 48 24 174 87 Internal Greaseable 276
BKZ-UJ-48-25-176 Industrial 48 25 176 88 Internal Greaseable 276
BKZ-UJ-48-26-178 Industrial 48 26 178 89 Internal Greaseable 276
BKZ-UJ-48-24-180 Industrial 48 24 180 90 Internal Greaseable 276
BKZ-UJ-48-25-182 Industrial 48 25 182 91 Internal Greaseable 276
BKZ-UJ-48-26-184 Industrial 48 26 184 92 Internal Greaseable 276
BKZ-UJ-48-24-186 Industrial 48 24 186 93 Internal Greaseable 276
BKZ-UJ-48-25-188 Industrial 48 25 188 94 Internal Greaseable 276
BKZ-UJ-49-25-173 Industrial 49 25 173 86 Internal Greaseable 288
BKZ-UJ-49-26-175 Industrial 49 26 175 87 Internal Greaseable 288
BKZ-UJ-49-24-177 Industrial 49 24 177 88 Internal Greaseable 288
BKZ-UJ-49-25-179 Industrial 49 25 179 89 Internal Greaseable 288
BKZ-UJ-49-26-181 Industrial 49 26 181 90 Internal Greaseable 288
BKZ-UJ-49-24-183 Industrial 49 24 183 91 Internal Greaseable 288
BKZ-UJ-49-25-185 Industrial 49 25 185 92 Internal Greaseable 288
BKZ-UJ-49-26-187 Industrial 49 26 187 93 Internal Greaseable 288
BKZ-UJ-49-24-189 Industrial 49 24 189 94 Internal Greaseable 288
BKZ-UJ-49-25-191 Industrial 49 25 191 95 Internal Greaseable 288
BKZ-UJ-50-26-177 Industrial 50 26 177 88 Internal Greaseable 300
BKZ-UJ-50-27-179 Industrial 50 27 179 89 Internal Greaseable 300
BKZ-UJ-50-25-181 Industrial 50 25 181 90 Internal Greaseable 300
BKZ-UJ-50-26-183 Industrial 50 26 183 91 Internal Greaseable 300
BKZ-UJ-50-27-185 Industrial 50 27 185 92 Internal Greaseable 300
BKZ-UJ-50-25-187 Industrial 50 25 187 93 Internal Greaseable 300
BKZ-UJ-50-26-189 Industrial 50 26 189 94 Internal Greaseable 300
BKZ-UJ-50-27-191 Industrial 50 27 191 95 Internal Greaseable 300
BKZ-UJ-50-25-193 Industrial 50 25 193 96 Internal Greaseable 300
BKZ-UJ-50-26-195 Industrial 50 26 195 97 Internal Greaseable 300
BKZ-UJ-51-26-180 Industrial 51 26 180 90 Internal Greaseable 312
BKZ-UJ-51-27-182 Industrial 51 27 182 91 Internal Greaseable 312
BKZ-UJ-51-25-184 Industrial 51 25 184 92 Internal Greaseable 312
BKZ-UJ-51-26-186 Industrial 51 26 186 93 Internal Greaseable 312
BKZ-UJ-51-27-188 Industrial 51 27 188 94 Internal Greaseable 312
BKZ-UJ-51-25-190 Industrial 51 25 190 95 Internal Greaseable 312
BKZ-UJ-51-26-192 Industrial 51 26 192 96 Internal Greaseable 312
BKZ-UJ-51-27-194 Industrial 51 27 194 97 Internal Greaseable 312
BKZ-UJ-51-25-196 Industrial 51 25 196 98 Internal Greaseable 312
BKZ-UJ-51-26-198 Industrial 51 26 198 99 Internal Greaseable 312
BKZ-UJ-52-27-184 Industrial 52 27 184 92 Internal Greaseable 324
BKZ-UJ-52-28-186 Industrial 52 28 186 93 Internal Greaseable 324
BKZ-UJ-52-26-188 Industrial 52 26 188 94 Internal Greaseable 324
BKZ-UJ-52-27-190 Industrial 52 27 190 95 Internal Greaseable 324
BKZ-UJ-52-28-192 Industrial 52 28 192 96 Internal Greaseable 324
BKZ-UJ-52-26-194 Industrial 52 26 194 97 Internal Greaseable 324
BKZ-UJ-52-27-196 Industrial 52 27 196 98 Internal Greaseable 324
BKZ-UJ-52-28-198 Industrial 52 28 198 99 Internal Greaseable 324
BKZ-UJ-52-26-200 Industrial 52 26 200 100 Internal Greaseable 324
BKZ-UJ-52-27-202 Industrial 52 27 202 101 Internal Greaseable 324
BKZ-UJ-53-27-187 Industrial 53 27 187 93 Internal Greaseable 337
BKZ-UJ-53-28-189 Industrial 53 28 189 94 Internal Greaseable 337
BKZ-UJ-53-26-191 Industrial 53 26 191 95 Internal Greaseable 337
BKZ-UJ-53-27-193 Industrial 53 27 193 96 Internal Greaseable 337
BKZ-UJ-53-28-195 Industrial 53 28 195 97 Internal Greaseable 337
BKZ-UJ-53-26-197 Industrial 53 26 197 98 Internal Greaseable 337
BKZ-UJ-53-27-199 Industrial 53 27 199 99 Internal Greaseable 337
BKZ-UJ-53-28-201 Industrial 53 28 201 100 Internal Greaseable 337
BKZ-UJ-53-26-203 Industrial 53 26 203 101 Internal Greaseable 337
BKZ-UJ-53-27-205 Industrial 53 27 205 102 Internal Greaseable 337
BKZ-UJ-54-28-191 Industrial 54 28 191 95 Internal Greaseable 349
BKZ-UJ-54-29-193 Industrial 54 29 193 96 Internal Greaseable 349
BKZ-UJ-54-27-195 Industrial 54 27 195 97 Internal Greaseable 349
BKZ-UJ-54-28-197 Industrial 54 28 197 98 Internal Greaseable 349
BKZ-UJ-54-29-199 Industrial 54 29 199 99 Internal Greaseable 349
BKZ-UJ-54-27-201 Industrial 54 27 201 100 Internal Greaseable 349
BKZ-UJ-54-28-203 Industrial 54 28 203 101 Internal Greaseable 349
BKZ-UJ-54-29-205 Industrial 54 29 205 102 Internal Greaseable 349
BKZ-UJ-54-27-207 Industrial 54 27 207 103 Internal Greaseable 349
BKZ-UJ-54-28-209 Industrial 54 28 209 104 Internal Greaseable 349
BKZ-UJ-55-28-194 Industrial 55 28 194 97 Internal Greaseable 363
BKZ-UJ-55-29-196 Industrial 55 29 196 98 Internal Greaseable 363
BKZ-UJ-55-27-198 Industrial 55 27 198 99 Internal Greaseable 363
BKZ-UJ-55-28-200 Industrial 55 28 200 100 Internal Greaseable 363
BKZ-UJ-55-29-202 Industrial 55 29 202 101 Internal Greaseable 363
BKZ-UJ-55-27-204 Industrial 55 27 204 102 Internal Greaseable 363
BKZ-UJ-55-28-206 Industrial 55 28 206 103 Internal Greaseable 363
BKZ-UJ-55-29-208 Industrial 55 29 208 104 Internal Greaseable 363
BKZ-UJ-55-27-210 Industrial 55 27 210 105 Internal Greaseable 363
BKZ-UJ-55-28-212 Industrial 55 28 212 106 Internal Greaseable 363
BKZ-UJ-56-29-198 Industrial 56 29 198 99 Internal Greaseable 376
BKZ-UJ-56-30-200 Industrial 56 30 200 100 Internal Greaseable 376
BKZ-UJ-56-28-202 Industrial 56 28 202 101 Internal Greaseable 376
BKZ-UJ-56-29-204 Industrial 56 29 204 102 Internal Greaseable 376
BKZ-UJ-56-30-206 Industrial 56 30 206 103 Internal Greaseable 376
BKZ-UJ-56-28-208 Industrial 56 28 208 104 Internal Greaseable 376
BKZ-UJ-56-29-210 Industrial 56 29 210 105 Internal Greaseable 376
BKZ-UJ-56-30-212 Industrial 56 30 212 106 Internal Greaseable 376
BKZ-UJ-56-28-214 Industrial 56 28 214 107 Internal Greaseable 376
BKZ-UJ-56-29-216 Industrial 56 29 216 108 Internal Greaseable 376
BKZ-UJ-57-29-201 Industrial 57 29 201 100 Internal Greaseable 389
BKZ-UJ-57-30-203 Industrial 57 30 203 101 Internal Greaseable 389
BKZ-UJ-57-28-205 Industrial 57 28 205 102 Internal Greaseable 389
BKZ-UJ-57-29-207 Industrial 57 29 207 103 Internal Greaseable 389
BKZ-UJ-57-30-209 Industrial 57 30 209 104 Internal Greaseable 389
BKZ-UJ-57-28-211 Industrial 57 28 211 105 Internal Greaseable 389
BKZ-UJ-57-29-213 Industrial 57 29 213 106 Internal Greaseable 389
BKZ-UJ-57-30-215 Industrial 57 30 215 107 Internal Greaseable 389
BKZ-UJ-57-28-217 Industrial 57 28 217 108 Internal Greaseable 389
BKZ-UJ-57-29-219 Industrial 57 29 219 109 Internal Greaseable 389
BKZ-UJ-58-30-205 Industrial 58 30 205 102 Internal Greaseable 403
BKZ-UJ-58-31-207 Industrial 58 31 207 103 Internal Greaseable 403
BKZ-UJ-58-29-209 Industrial 58 29 209 104 Internal Greaseable 403
BKZ-UJ-58-30-211 Industrial 58 30 211 105 Internal Greaseable 403
BKZ-UJ-58-31-213 Industrial 58 31 213 106 Internal Greaseable 403
BKZ-UJ-58-29-215 Industrial 58 29 215 107 Internal Greaseable 403
BKZ-UJ-58-30-217 Industrial 58 30 217 108 Internal Greaseable 403
BKZ-UJ-58-31-219 Industrial 58 31 219 109 Internal Greaseable 403
BKZ-UJ-58-29-221 Industrial 58 29 221 110 Internal Greaseable 403
BKZ-UJ-58-30-223 Industrial 58 30 223 111 Internal Greaseable 403
BKZ-UJ-59-30-208 Industrial 59 30 208 104 Internal Greaseable 417
BKZ-UJ-59-31-210 Industrial 59 31 210 105 Internal Greaseable 417
BKZ-UJ-59-29-212 Industrial 59 29 212 106 Internal Greaseable 417
BKZ-UJ-59-30-214 Industrial 59 30 214 107 Internal Greaseable 417
BKZ-UJ-59-31-216 Industrial 59 31 216 108 Internal Greaseable 417
BKZ-UJ-59-29-218 Industrial 59 29 218 109 Internal Greaseable 417
BKZ-UJ-59-30-220 Industrial 59 30 220 110 Internal Greaseable 417
BKZ-UJ-59-31-222 Industrial 59 31 222 111 Internal Greaseable 417
BKZ-UJ-59-29-224 Industrial 59 29 224 112 Internal Greaseable 417
BKZ-UJ-59-30-226 Industrial 59 30 226 113 Internal Greaseable 417

Applications of UJ Bearings

Universal joint bearings are widely used across multiple industries to transmit torque between misaligned shafts. With flexible design options and customization capabilities, they can adapt to different load conditions, operating speeds, and environmental requirements, ensuring reliable performance in automotive, agriculture, construction, mining, and industrial applications.

FAQs About Universal Joint Bearings

Q1. What Are Cross Joint Bearings?

Cross joint bearings refer to the cross (spider) assembly with integrated bearing caps, forming the core of a universal joint. The structure consists of a cross-shaped shaft with four trunnions, each supported by needle roller bearings inside bearing caps, allowing rotation between intersecting shafts. This design enables efficient torque transmission while accommodating angular misalignment, making it widely used in automotive driveshafts, agricultural PTO shafts, and industrial transmission systems. Cross joint bearings are not the same as universal joint bearings; they are a key component within a complete U-joint assembly, which also includes yokes, seals, and other parts.

U-joints without needle bearings use plain bearing (sliding contact) structures instead of rolling elements, where the cross (spider) rotates against bushings or sleeves made of materials such as bronze, polymer composites, or hardened steel. Compared to needle bearing types, they have higher friction and lower speed capability but offer better resistance to contamination, simpler structure, and improved performance under low-speed, oscillating, or heavy shock conditions. These designs are commonly used in construction equipment, mining machinery, and heavy-duty industrial applications where durability and resistance to harsh environments are more important than high-speed efficiency.

U-joint bearing caps are cylindrical housings mounted on each trunnion of the cross (spider), containing the bearing elements (such as needle rollers or bushings), seals, and lubrication. They support rotational movement, maintain alignment, retain grease, and protect internal components from contaminants, ensuring smooth operation and long service life. Typically made from alloy or case-hardened steel, bearing caps are essential for load support, durability, and the overall reliability of the universal joint assembly.

U-joint bearings work by connecting two shafts through a cross (spider) and bearing caps, allowing torque to be transmitted even when the shafts are misaligned. As the input shaft rotates, the cross transfers motion through its trunnions to the output shaft, while the needle bearings inside the caps enable smooth rotation and reduce friction. The yokes pivot around the cross, allowing angular movement and continuous power transmission under dynamic operating conditions.

A U-joint is a mechanical joint that transmits torque between misaligned shafts using a cross and bearing caps but does not maintain constant rotational speed at operating angles, resulting in slight speed fluctuation. In contrast, a CV (constant velocity) joint uses ball or tripod mechanisms to transmit torque at a constant speed regardless of angle. U-joints are simpler, more robust, and commonly used in trucks, agricultural, and industrial equipment, while CV joints are more complex and typically used in passenger vehicles where smooth and vibration-free rotation is required.

Sealed U-joints are pre-lubricated and permanently sealed to retain grease and prevent contamination, requiring no maintenance, while greaseable U-joints are equipped with grease fittings that allow periodic re-lubrication to extend service life. Sealed designs offer convenience and better sealing integrity, whereas greaseable designs are preferred for heavy-duty applications where regular maintenance can improve durability. The choice depends on operating conditions, maintenance practices, and service life requirements.

Yes, U-joint bearings can be fully customized based on specific application requirements, including dimensions (such as bearing cap diameter, journal diameter, and width), load and torque conditions, operating speed, working angle, and environmental factors like temperature or contamination. Materials, heat treatment processes, sealing designs, lubrication methods, and surface coatings can all be tailored. BKZ Industry provides OEM services including design based on drawings or samples, performance optimization, material selection, branding, and both small-batch and large-scale production to ensure the best solution for each application.

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More Bearings from BKZ Industry

In addition to universal joint bearings, BKZ Industry offers a wide range of other bearings for various applications.

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