Miniature Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

OD

Length

ID

Material

Molybdenum Disulfide

Stainless Steel

Width

For Housing ID

0.3124" to 0.3130"

0.3749" to 0.3755"

0.3750" to 0.3755"

0.3755" to 0.3764"

0.3760" to 0.3770"

Bearing Seal Type

Ball Bearing Profile

Bearing Type

Plain Bearing Type

Shaft Mount Type

For Load Direction

Combined Radial and Thrust

Combined Radial, Thrust, and Moment

Lubrication

Cage Material

Stainless Steel

Performance

Chemical Resistant

Corrosion Resistant

Electrically Insulating

High Temperature

Low Temperature

Moisture Resistant

One-Way Locking

Permanently Lubricated

Static Dissipative

Flange OD

Shaft Type

Round with Support Rail

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 399° F

400° F to 499° F

500° F or greater

Bearing Trade Number

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

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

DFARS Specialty Metals

How can we improve?

4,997 Products

Power Transmission

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

Sleeve Bearings

Sleeve Bearings

With no moving parts, the plainest type of bearing

Flanged Sleeve Bearings

Flanged Sleeve Bearings

A sleeve and thrust bearing in one to support both parallel and perpendicular loads

Thrust Bearings

Thrust Bearings

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

Pivot Bearings

Best for applications that require small, precise oscillating motion with limited twisting

Mounted Bearings

Mounted Bearings

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

Roller Bearing Shaft Liners

Roller Bearing Shaft Liners

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

Thrust Roller Bearing Washers

Thrust Roller Bearing Washers

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

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Material Handling

Wheel Bearings

Reduce friction between the axle and the wheel for smooth movement

Conveyor Roller Bearings

Conveyor Roller Bearings

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

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.)