Tapered Roller Bearings

Tapered Roller Bearings are designed with conical rollers, a tapered inner and outer raceways. The cone surfaces and the axes of the rollers intersect at a common point on the bearing axis. This design allows the bearing to provide stable, rigid support while accommodating both radial and axial loads.
BKZ Industry, a professional manufacturer and supplier of tapered roller bearings, offering both metric and inch series, including single-row designs, matched pairs (face-to-face or back-to-back arrangements), double-row, and four-row configurations. Certified to ISO 9001 standards, we are committed to delivering high-quality tapered roller bearings that meet your specific requirements.

Features and Advantages of Tapered Roller Bearings

Tapered roller bearings manufactured by BKZ Industry offer higher load capacity, extended service life, increased rigidity, and easier maintenance. These advantages are achieved through optimized heat treatment processes, premium bearing-quality materials, and strictly controlled precision manufacturing.

Features of Tapered Roller Bearings

High Combined Load Capacity

Designed to carry combined loads, including radial loads and axial loads in one direction. The larger the contact angle, the greater the axial load capacity.

Line Contact Design

The rollers have line contact with the raceways, providing a larger contact area compared with ball bearings.

Pure Rolling Motion

The conical geometry ensures that the roller axes and raceway surfaces intersect at a common point on the bearing axis, enabling true rolling motion and minimizing sliding friction.

Coaxial and Stable Rotation

The optimized geometric design reduces differential scuffing and ensures stable, coaxial shaft rotation under load.

Separable Structure

The inner ring assembly (cone) and outer ring (cup) are separable, allowing flexible installation, adjustment, and customization for various operating conditions.

Advantages of Tapered Roller Bearings

Higher Load Capacity

Due to line contact and optimized internal geometry, tapered roller bearings offer significantly higher load capacity than ball bearings.

Reduced Friction and Heat Generation

The pure rolling motion minimizes sliding, reducing friction, heat generation, and wear.

Increased Rigidity

The bearing structure provides high stiffness, improving shaft positioning accuracy and operational stability.

Longer Service Life

Reduced friction and improved load distribution contribute to extended service life under proper lubrication and mounting conditions.

Easier Installation and Maintenance

The separable design allows easier mounting, dismounting, and preload adjustment.

Types of Tapered Roller Bearings

Tapered Roller Bearings produced by BKZ Industry are available in various types, including single row, double row, four row, back-to-back matched, face-to-face matched, and split designs.

Single Row Tapered Roller Bearings

Featuring a single row of tapered rollers and are designed to carry combined radial and axial loads (in one direction). They are suitable for applications requiring high load capacity, rigidity, and precise shaft positioning.

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Double Row Tapered Roller Bearings

Feature two rows of tapered rollers designed to carry heavy radial loads and axial loads in both directions. They provide higher rigidity and load capacity in compact applications.

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Four Row Tapered Roller Bearings

Incorporate four rows of tapered rollers to accommodate extremely high radial loads and moderate axial loads. Ideal for heavy-duty industrial equipment requiring maximum strength and durability.

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Matched Tapered Roller Bearings

Available in back-to-back (DB), face-to-face (DF), and tandem (DT) arrangements. They are suitable for applications requiring high load capacity, precise shaft positioning, and controlled preload.

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Tapered Roller Thrust Bearing

A separable design consisting of a shaft washer, housing washer, and tapered rollers arranged for line contact. They are suitable for applications requiring high axial load capacity and increased rigidity.

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Split Tapered Roller Bearings

Designed with separable components for easy installation and removal without dismantling equipment. Support heavy combined loads while reducing maintenance time and downtime.

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*We also offer tapered roller bearings and other bearings not listed here. Contact us for more options.

Tapered Roller Bearing Size Chart

BKZ Industry produces a full range of tapered roller bearings in various sizes to meet your needs. The size chart below highlights some of the most commonly used models. If you cannot find the model you require or need a customized solution, please contact our team with your specific requirements. We will promptly recommend the most suitable option based on your application and specifications.

Bearing Number	Bore Diameter d (mm)	Outside Diameter D (mm)	Width T (mm)	Cone Width B (mm)	Cup Width C (mm)	Corner Radius r (mm)	Dynamic Load Rating Cr (kN)	Static Load Rating C₀r (kN)	Reference Speed (Grease)	Reference Speed (Oil)	Weight (kg)
30203	17	40	13.25	12	11	1.0	20.50	20.30	9900	13000	0.080
30204	20	47	15.25	14	12						0.13
30205	25	52	16.25	15	13						0.16
30206	30	62	17.25	16	14						0.22
30207	35	72	18.25	17	15						0.32
30208	40	80	19.75	18	16						0.43
30209	45	85	20.75	19	16						0.50
30210	50	90	21.75	20	17	1.5	69.30	89.28	3800	5000	0.568
30211	55	100	22.75	21	18	2.0	83.70	106.56	3400	4600	0.736
30212	60	110	23.75	22	19	2.0	54.50	120.00	3200	4300	0.930
30213	65	120	24.75	23	20	2.0					1.10
30214	70	125	26.25	24	21	2.0
30215	75	130	27.25	25	22	2.0
30216	80	140	28.25	26	22	2.5
30217	85	150	30.5	28	24	2.5
30218	90	160	32.5	30	26	2.5
30219	95	170	34.5	32	27	3.0
30220	100	180	37	34	29	3.0
30303	17	47	15.25	14	12						0.13
30304	20	52	16.25	15	13						0.18
30305	25	62	18.25	17	15						0.27
30306	30	72	20.75	19	16						0.45
30307	35	80	22.75	21	18						0.53
30308	40	90	25.25	23	20						0.77
30309	45	100	27.25	25	22						0.96
30310	50	110	29.25	27	23	2.5	119.70	145.92	3400	4600	1.200
30311	55	120	31.50	29	25						1.8
30312	60	130	33.50	31	26						2.1
30313	65	140	36	33	28	3.0
30314	70	150	38	35	30	3.0
30315	75	160	40	37	31	3.0
30316	80	170	42.5	39	33	3.0
30318	90	190	46.5	43	36	4.0
32004	20	42	15.00	15	12						0.11
32005	25	47	15.00	15	11.5						0.12
32006	30	55	17.00	17	13						0.17
32007	35	62	18.00	18	14						0.23
32008	40	68	19.00	19	14.5	1.0	50.00	65.50	5300	7100	0.273
32009	45	75	20.00	20	15.5						0.33
32010	50	80	20.00	20	15.5						0.42
32011	55	90	23.00	23	17.5						0.58
32012	60	95	23.00	23	17.5	1.5					0.63
32013	65	100	23.00	23	17.5	1.5					0.62
32014	70	110	25.00	25	19	1.5					0.97
32015	75	115	25	25	19	1.5
32016	80	125	29	29	22	1.5
32017	85	130	29	29	22	1.5
32019	95	145	32	32	24	2.0
32020	100	150	32	32	24	2.0
32203	17	40	17.25	16	14						0.10
32204	20	47	19.25	18	15						0.17
32205	25	52	19.25	18	16						0.18
32206	30	62	21.27	20	17						0.28
32207	35	72	24.25	23	19						0.43
32208	40	80	24.75	23	19						0.56
32209	45	85	24.75	23	19						0.57
32210	50	90	24.75	23	19	1.5	78.75	104.64	3800	5000	0.644
32211	55	100	26.75	25	21	2.0	97.20	128.64	3400	4600	0.860
32212	60	110	29.75	28	24	2.0	117.60	157.44	3200	4300	1.160
32213	65	120	32.75	31	27	2.0					1.59
32214	70	125	33.25	31	27	2.0					1.70
32215	75	130	33.25	31	27	2.0					1.93
32216	80	140	35.25	33	28	2.5					2.18
32304	20	52	22.25	21	18						0.25
32305	25	62	25.25	24	20						0.38
32306	30	72	28.75	27	23						0.59
32307	35	80	32.75	31	25						0.83
32308	40	90	35.25	33	27						1.2
32309	45	100	38.25	36	30						1.5
32310	50	110	42.25	40	33	2.5	165.60	222.72	3400	4600	1.800
32311	55	120	45.50	43	35						2.55
32312	60	130	48.50	46	37						3.15
32313	65	140	51.00	48	39						3.82
33009	45	75	24.00	24	19.00	1.0	55.42	85.75	4500	6000	0.414
33010	50	80	24.00	24	19.00	1.0	62.25	88.88	4200	5900	0.452
33011	55	90	27.00	27	21.00	1.5	82.35	132.48	3800	5100	0.657
33012	60	95	27	27	21	1.5	84.15	139.20	3500	4900	0.713
33110	50	85	26.00	26	20.00	1.5	77.85	116.16	4000	5300	0.597
33112	60	100	30.00	30	23.00	1.5	101.70	157.44	3400	4900	0.910
33113	65	110	34.00	34	26.5	1.5					0.62
33206	30	62	25.00	25	19.5						0.35
33207	35	72	28.00	28	22						0.59
33208	40	80	32.00	32	25						0.74
33209	45	85	32.00	32	25	1.5	96.30	135.36	4200	5900	0.817
33210	50	90	32.00	32	24.5	1.5	103.50	151.68	3800	5000	0.867
33211	55	120	39.5	35	27.00	2.0	124.20	180.48	3400	4600	1.180
33212	60	110	38.00	38	29.00	2.0	150.30	224.64	3200	4300	1.560

What Are Tapered Roller Bearings Used for?

Tapered Roller Bearing Applications are very wided, they can be used in

Automative

Wheel hub assemblies
Manual & automatic transmissions
Differentials
Drive axles
Transfer cases

industrial Machinery

Industrial gearboxes
Air compressors
Industrial pumps
Heavy-duty mixers
Extrusion machines

Aerospace

Aircraft landing gear systems
Turboprop gear systems
Helicopter transmission systems
Aircraft ground support equipment
Auxiliary power units (APU)

Construction

Excavators
Bulldozers
Wheel loaders
Tower cranes
Road rollers

Agriculture

Tractors
Combine harvesters
Seeders & planters
Balers
Sprayers

Mining

Jaw crushers
Cone crushers
Vibrating screens
Conveyor drive systems
Mining haul trucks

Railway

Freight railcar wheelsets
Passenger train wheel hubs
Locomotive axle systems
Rail maintenance vehicles
Metro train bogies

Steel & Metal Processing

Rolling mills
Continuous casting machines
Slitting lines
Shearing machines
Coiling machines

Wind Energy

Wind turbine main shafts
Gearboxes
Yaw drive systems
Pitch control systems
Generator drive assemblies

FAQs About Tapered Roller Bearings

Q1. How Do Tapered Roller Bearings Work ?

Tapered roller bearings use conical rollers and tapered raceways whose projected lines meet at a common point on the shaft axis. This geometry ensures smooth rolling motion and allows the bearing to support combined radial and axial loads with high rigidity and load capacity.

Q2. How to Measure a Tapered Roller Bearing?

Measure the bore diameter, outer diameter, and total width. Since tapered roller bearings have separable cup and cone components, both parts should be verified. Accurate measurement ensures proper fit, correct preload adjustment, and reliable load performance in the application.

Q3. Angular Contact Bearing vs Tapered Roller Bearings: What Are Their Differences?

Angular contact ball bearings and tapered roller bearings differ mainly in structure and load characteristics. Angular contact bearings use balls as rolling elements with raceways designed at a specific contact angle, creating point contact that allows high-speed operation and good axial load capacity (typically in one direction). In contrast, tapered roller bearings use conical rollers and tapered inner and outer raceways whose projected lines meet at a common point on the shaft axis, forming line contact. This structure provides greater load capacity, higher rigidity, and better performance under heavy combined radial and axial loads, though generally at lower speeds compared to angular contact ball bearings.

Q4. What Is the Difference Between Double Row and Matched Tapered Roller Bearings?

Double-row bearings integrate two rows in one unit for compactness. Matched bearings are separate single-row units installed in pairs, allowing adjustable preload and flexible mounting arrangements.

Q5. What are the Disadvantages of Tapered Roller Bearings?

They generate more friction than ball bearings, limiting high-speed capability. Proper preload adjustment is required during installation. They are also more sensitive to misalignment compared to self-aligning bearing types.

Q6. What Materials are Typically Used for Tapered Roller Bearings?

Rings and rollers are commonly made from high-carbon chromium bearing steel such as GCr15 or 52100. Cages may be steel, brass, or polymer depending on application requirements.

Q7. Why are Tapered Roller Bearings Not Typically Used for Very High-speed Applications?

Because of line contact between rollers and raceways, friction and heat generation increase at high speeds. Ball bearings with point contact generally perform better in very high-speed operating conditions.

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More Bearings from BKZ Industry

In addition to tapered roller bearings, BKZ Industry, as a one-stop bearing manufacturer, also produces and supplies a wide range of bearing products, including deep groove ball bearings, insert bearings, slewing bearings, ceramic bearings, and more.

Mounted Ball Bearing Units

Insert Bearings

Deep Groove Ball Bearings

Slewing Bearings

Stainless Steel Bearings

Ceramic Bearings

Robotics Bearings

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Tapered Roller Bearings

Please send us your detailed specifications for the required tapered roller bearings. Our technical sales team will carefully review your request and provide a prompt, competitive quotation tailored to your application needs.

Tapered Roller Bearings

Features and Advantages of Tapered Roller Bearings

Features of Tapered Roller Bearings

Advantages of Tapered Roller Bearings

Types of Tapered Roller Bearings

Single Row Tapered Roller Bearings

Double Row Tapered Roller Bearings

Four Row Tapered Roller Bearings

Matched Tapered Roller Bearings

Tapered Roller Thrust Bearing

Split Tapered Roller Bearings

Tapered Roller Bearing Size Chart

What Are Tapered Roller Bearings Used for?

Automative

industrial Machinery

Aerospace

Construction

Agriculture

Mining

Railway

Steel & Metal Processing

Wind Energy

FAQs About Tapered Roller Bearings

More Bearings from BKZ Industry

Get a Fast Quote for

Tapered Roller Bearings

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