Rolling-Element Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

OD

Bearing Seal Type

Width

ID

Ball Bearing Profile

With Retaining Ring

Bearing Trade Number

Bearing Type

For Load Direction

Combined Radial and Thrust

Combined Radial, Thrust, and Moment

Shaft Mount Type

Cage Material

Stainless Steel

Material

Molybdenum Disulfide

Stainless Steel

Bearing Construction

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"

0.5000" to 0.5007"

Ball Material

Stainless Steel

Mounted Bearing Type

Four-Bolt Flange Mount

Tapped Base Mount

Three-Bolt Flange Mount

Two-Bolt Flange Mount

Inner Ring Type

Shaft Type

Round with Support Rail

Maximum Rotation Speed

Lubrication

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

How can we improve?

8,718 Products

Power Transmission

Ball Bearings

Create less friction than other bearings for use at high speeds

Mounted Bearings

Mounted Bearings

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

Roller Bearings

Roller Bearings

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

Sleeve Bearings

Sleeve Bearings

With no moving parts, the plainest type of bearing

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

Thrust Roller Bearing Washers

Thrust Roller Bearing Washers

Adapt needle-roller thrust bearings for use on unhardened, unground surfaces

Roller Bearing Shaft Liners

Roller Bearing Shaft Liners

Adapt precision needle-roller bearings for use on unhardened, unground shafts

Linear Bearing Housings

Linear Bearing Housings

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

Carriages and Guide Rails

Carriages and Guide Rails

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

Telescoping Rails

Telescoping Rails

Carry heavy loads, such as in pick-and-place applications, machine tool doors, and press arms

Ball Splines and Bearings

Ball Splines and Bearings

Combine ball splines and bearings to create linear and rotary motion systems

Ball Screws and Nuts

Ball Screws and Nuts

Provide smooth travel where high speeds, accurate positioning, and repeatable movement are required

Roller Screws and Nuts

Roller Screws and Nuts

Create more points of contact to handle much higher loads than ball screws and nuts of the same size

Sleeve Splines and Bearings

Sleeve Splines and Bearings

Combine sleeve splines and bearings to create linear and rotary motion systems

Material Handling

Conveyor Roller Bearings

Conveyor Roller Bearings

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

Wheel Bearings

Reduce friction between the axle and the wheel for smooth movement

Fabricating and Machining

Router Bit Bearings

Router Bit Bearings

Replace bearings in ball-bearing-piloted router bits

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