12mm Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

3/16" to 2 3/4"

1/4" to 1 3/16"

5/16" to 11/32"

11/32" to 7/16"

3/4" to 1 3/16"

1 1/8" to 2 3/4"

1 3/16" to 1 5/8"

1 3/8" to 1 7/8"

1 3/4" to 2 1/4"

2 1/4" to 4 3/8"

2 3/8" to 6 1/8"

3 7/8" to 7 7/8"

OD

Width

Bearing Seal Type

Ball Bearing Profile

With Retaining Ring

For Housing ID

19.000 mm to 19.021 mm

21.000 mm to 21.021 mm

22.000 mm to 22.021 mm

22.000 mm to 22.018 mm

22.000 mm to 22.026 mm

ID

Bearing Trade Number

Bearing Type

For Load Direction

Combined Radial and Thrust

Ring Material

Stainless Steel

Cage Material

Stainless Steel

Ball Material

Stainless Steel

Bearing Construction

Shaft Mount Type

Lubrication

Shaft Type

Round with Support Rail

ABEC Rating

Inner Ring Type

Lubricant

Radial Clearance Trade Number

REACH

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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484 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

Flanged Sleeve Bearings

Flanged Sleeve Bearings

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

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

Mounted Bearings

Mounted Bearings

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

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Bearing Shaft Liners

Bearing Shaft Liners

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

Bearing Washers

Bearing Washers

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

Linear Bearing Brakes

Linear Bearing Brakes

Lock bearings in place on a shaft for precise positioning

Track Rollers

Support and carry objects as they move along conveyor systems

Drive Rollers

Transmit power from motors to systems like conveyors; also known as contact wheels and feed rollers

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

Pulley and Sprocket Bushings

Pulley and Sprocket Bushings

Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

Bore Reducers

Adapt the bore of a component to a smaller size for mounting on a shaft

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