20mm Bearings | McMaster-Carr

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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

System of Measurement

Bearing Seal Type

Width

Bearing Trade Number

Ball Bearing Profile

With Retaining Ring

ID

Bearing Construction

Bearing Type

For Housing ID

28.000 mm to 28.021 mm

32.000 mm to 32.025 mm

32.000 mm to 32.030 mm

32.004 mm to 32.037 mm

For Load Direction

Combined Radial and Thrust

Combined Radial, Thrust, and Moment

Cage Material

Stainless Steel

Shaft Type

Round with Support Rail

Ball Material

Stainless Steel

Inner Ring Type

Lubricant

Shaft Mount Type

Ring Material

Stainless Steel

Radial Clearance Trade Number

Lubrication

Mounted Bearing Type

Four-Bolt Flange Mount

Three-Bolt Flange Mount

Two-Bolt Flange Mount

REACH

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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431 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

Mounted Bearings

Mounted Bearings

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

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

Flanged Sleeve Bearings

Flanged Sleeve Bearings

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

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

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

Bearing Adapter Sleeves

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

Linear Bearing Brakes

Linear Bearing Brakes

Lock bearings in place on a shaft for precise positioning

Pulley and Sprocket Bushings

Pulley and Sprocket Bushings

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

Track Rollers

Support and carry objects as they move along conveyor systems

Bore Reducers

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

Shaft Collars

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

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