4" ID Bearings | McMaster-Carr

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Shaft Diameter

OD

ID

0.0135" to 2.2656"

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"

0.3450 mm to 57.0000 mm

Dynamic Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

20,000 lb. to 29,999 lb.

40,000 lb. or greater

Dynamic Thrust Load Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

20,000 lb. to 99,999 lb.

For Load Direction

Combined Radial and Thrust

Combined Radial, Thrust, and Moment

Bearing Type

Mounted Bearing Type

Four-Bolt Flange Mount

Static Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 99,999 lb.

100,000 lb. to 199,999 lb.

For Housing ID

System of Measurement

Width

Inner Ring Width

Bearing Construction

Static Thrust Load Capacity

Less than 10,000 lb.

100,000 lb. to 199,999 lb.

Bearing Seal Type

Ball Bearing Profile

Housing Material

Roller Bearing Type

Material

Molybdenum Disulfide

Plain Bearing Type

Shaft Mount Type

RoHS

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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27 Products

Power Transmission

Roller Bearings

Roller Bearings

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

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

Thrust Bearings

Thrust Bearings

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

Raw Materials

Plastic

A lightweight alternative to metal and glass

Bronze

Better wear resistance than copper and brass—all with material certificates for traceability

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