Bearing Races | McMaster-Carr

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System of Measurement

Shaft Diameter

OD

ID

Bearing Seal Type

Mounted Bearing Type

Four-Bolt Flange Mount

Three-Bolt Flange Mount

Two-Bolt Flange Mount

Width

Bearing Type

Ball Bearing Profile

With Retaining Ring

For Load Direction

Combined Radial and Thrust

Combined Radial, Thrust, and Moment

Shaft Mount Type

Concentric Lock

For Housing ID

0.3124" to 0.3130"

0.3749" to 0.3755"

0.3750" to 0.3755"

0.4999" to 0.5005"

0.5000" to 0.5005"

Bearing Trade Number

Ball Material

Stainless Steel

Cage Material

Stainless Steel

Shaft Type

Round with Support Rail

Housing Material

Stainless Steel

Ring Material

Stainless Steel

Lubrication

Overall Length

Bearing Material

Stainless Steel

Dynamic Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

20,000 lb. to 29,999 lb.

30,000 lb. to 39,999 lb.

40,000 lb. or greater

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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6,346 Products

Power Transmission

Mounted Bearings

Mounted Bearings

Ball, roller, and sleeve bearings ready to bolt in place

Ball Bearings

Create less friction than other bearings for use at high speeds

Roller Bearings

Roller Bearings

Support higher loads than ball bearings, but run at lower speeds

Thrust Bearings

Thrust Bearings

Support loads parallel to the shaft with plain, ball, or roller bearings

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Linear Bearing Housings

Linear Bearing Housings

Hold linear ball or sleeve bearings by sliding them in and securing with retaining rings

Linear Bearing Brakes

Linear Bearing Brakes

Lock bearings in place on a shaft for precise positioning

Guide Rail Carriages

Guide Rail Carriages

Carry loads along guide rails on accurate and repeatable paths in automated systems

Linear Motion Slides

Linear Motion Slides

Move loads on accurate and repeatable paths beyond the mounting surface

Telescoping Rails

Telescoping Rails

Connect multiple rails to create custom positioning tables or telescoping slides

Positioning Slides

Positioning Slides

A lead screw drives the carriage for accurate positioning in laboratory and production equipment

Air Slides

Convey grippers, printing heads, and other loads back and forth on a carriage

Lead and Ball Screw End Supports

Lead and Ball Screw End Supports

Brace and secure the ends of lead screws and ball screws

Splines and Spline Bearings

Splines and Spline Bearings

Transmit rotary power or move loads along the length of splines

Material Handling

Conveyor Roller Bearings

Conveyor Roller Bearings

Replace bearings on conveyor rollers, or press into tubing or pipe to create a roller

Ball Transfers

Install in arrays to create platforms for conveying, rotating, and positioning heavy objects

Wheel Bearings

Reduce friction between the axle and the wheel for smooth movement

Raw Materials

Plastic

A lightweight alternative to metal and glass

Ceramic

Hard and wear resistant, it also withstands corrosion and high temperatures

Stainless Steel

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

Steel

Strong, machinable, and weldable—all with material certificates for traceability

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

Glass

Clear and highly heat and chemical resistant; often used in sights, lighting, and lab equipment

Nickel

An upgrade from stainless steel to withstand harsh chemicals and acids—all with material certificates for traceability

Fabricating and Machining

Drill Chuck Replacement Parts

Drill Chuck Replacement Parts

Replace collars, shells, ball bearings, and other parts on drill chucks

Router Guides

Make precise circular or intricate cuts with routers

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)