28mm ID Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

ID

1 1/4" to 4 1/4"

2 3/4" to 5 1/2"

3 3/4" to 6 1/4"

7 3/4" to 23 1/4"

8 3/4" to 19 3/4"

11 1/2" to 29 1/4"

OD

Bearing Type

Width

For Load Direction

Combined Radial and Thrust

Mounted Bearing Type

Washer Material

Material

Bearing Seal Type

For Bearing OD

Plain Bearing Type

Ball Bearing Profile

For Housing ID

Lubrication

Shaft Type

Length

Shaft Mount Type

Minimum Temperature

-250° F or less

-99° F to -1° F

Maximum Temperature

Less than 250° F

250° F to 499° F

500° F to 999° F

Overall Height

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

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28 Products

Power Transmission

Thrust Bearings

Thrust Bearings

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

Bearing Housings

Bearing Housings

Mount your own bearings 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

Flanged Sleeve Bearings

Flanged Sleeve Bearings

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

Pulley and Sprocket Bushings

Pulley and Sprocket Bushings

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

Ball Spline Bearings

Ball Spline Bearings

Pair with ball splines for applications requiring complex, fast movements, such as robotics

Fabricating and Machining

Drill Bushings

Fit in holes to guide drill bits and other cutting tools for precise and repeatable holes and cuts

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