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Bearing Housings

A bearing housing (also known as a plummer block or pillow block) supports and positions bearings, protects them from dust and moisture, and ensures smooth shaft operation and reliable load transfer.
 BKZ Industry offers a wide range of bearing housings designed for durability, easy installation, and long service life.

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Bearing Housing Functions and Advantages

Bearing housings produced by BKZ Industry support and protect bearings, ensure accurate alignment, transfer loads efficiently, and enhance stability, lubrication, and service life.

Functions

Support and Load Transfer

Supports the bearing and evenly transfers radial and axial loads to the machine frame.

Positioning and Alignment

Ensures correct bearing alignment and stable operation of the shaft.

Protection

Protects bearings from dust, dirt, moisture, chemicals, and other contaminants.

Ease of Maintenance

Allows easy lubrication, inspection, bearing replacement, and maintenance.

Advantages

Longer Service Life

Protects bearings from contamination and retains lubrication, extending bearing life.

Easy Installation and Replacement

Pre-designed housing structure simplifies mounting, alignment, and bearing change.

Higher Load Capacity

Improves load distribution, enabling the bearing to handle heavier loads.

Stable and Safe Operation

Reduces vibration, noise, and shaft wear, improving machine safety and reliability.

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Bearing Housings Classified by Mounting Design

BKZ bearing housings are available in various structural designs to support rolling bearings, accommodate different mounting configurations, and ensure reliable shaft alignment and load transmission.

Pillow Block Housing

Pillow Block Housing

One-piece base-mounted housing designed for horizontal installation, widely used in general industrial machinery for stable load support and simplified maintenance.

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Split Plummer Block Housing

Split Plummer Block Housing

Two-piece split housing design that allows easy bearing inspection and replacement without removing the shaft, commonly used in heavy-duty and large shaft applications.

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Flanged Housing

Flanged Housing

Flange-mounted housing designed for vertical or side-wall installation, providing compact support and precise shaft positioning in limited mounting spaces.

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Take Up Housing

Take-up Housing

Sliding housing structure that allows axial adjustment of shaft position, typically applied in conveyor and belt-driven systems for tension control.

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

Bearing Housing Dimensions & Compatibility Chart

BKZ bearing housings are available in multiple series and configurations. This size chart provides housing numbers, compatible bearings, mounting methods, key dimensions, locking types, and typical applications. If you cannot find the required model, please contact us for further assistance.

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Housing Type Series Housing No. Shaft d (mm) Compatible Bearing Mounting Method Key Dimensions* Lock / Adjustment Typical Load Class Typical Applications
Pillow Block UCP UCP204 20 UC204 Base mounted L127 × H71 Fixed Medium Conveyors, fans, pumps
UCP UCP205 25 UC205 Base mounted L140 × H75 Fixed Medium General machinery
UCP UCP206 30 UC206 Base mounted L165 × H83 Fixed Medium Industrial equipment
Flanged (Square) UCF UCF204 20 UC204 Wall / vertical Ø130 Fixed Medium Compact installations
UCF UCF205 25 UC205 Wall / vertical Ø140 Fixed Medium Gearboxes, frames
Flanged (Oval) UCFL UCFL205 25 UC205 Wall / vertical Ø145 Fixed Medium Limited mounting space
Flanged (Round) UCFC UCFC205 25 UC205 Wall / vertical Ø145 Fixed Medium Circular mounting
Take-up Housing UCT UCT204 20 UC204 Sliding base L127 (slot) Manual tension Medium Belt conveyors
UCT UCT205 25 UC205 Sliding base L140 (slot) Manual tension Medium Chain drives
UCT UCT206 30 UC206 Sliding base L165 (slot) Manual tension Medium Tension systems
Split Plummer Block SN SN205 25 1205 Base mounted L170 × H95 Fixed Medium Heavy machinery
SN SN206 30 1206 Base mounted L190 × H105 Fixed Medium Conveyors
SD SD307 35 2307 Base mounted L260 × H135 Fixed Heavy Mining, steel plants

Bearing Housing Applications

Bearing housings are widely used across various industries to support and align rotating shafts, protect bearings from contamination, and ensure stable and reliable operation in industrial equipment.

FAQs About Bearing Housings

Q1. What is another name for a bearing housing?

A bearing housing is also known as a bearing block or bearing shell. Depending on its design and application, it may also be called a plummer block, pillow block, or bearing pedestal.

To choose the right bearing housing, you should consider the application environment, operating conditions such as load, speed, temperature, mounting method, and compatibility with the selected bearing.

Bearing housings are commonly manufactured from cast iron, ductile iron, steel, or alloy materials, depending on load requirements, operating conditions, and environmental factors such as corrosion.

No, they are not exactly the same. A plummer block is a specific type of bearing housing, while bearing housing is a general term covering multiple housing designs.

Yes, bearing housings can be customized according to specific requirements such as size, material, mounting configuration, and application conditions. Please contact us to discuss your customization needs.

A bearing housing is a component that supports and locates the bearing, while a bearing unit is a complete assembly consisting of the bearing housing and the bearing itself.

In many cases, bearing housings are interchangeable between brands when they comply with the same international standards. However, dimensions, tolerances, and load ratings should always be carefully verified. Please contact us for detailed technical information and support.

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More Bearings from BKZ Industry

Bearing housings are widely used across various industries to support and align rotating shafts, protect bearings from contamination, and ensure stable and reliable operation in industrial equipment.

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Bearing Housings

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