4" ID Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

For Load Direction

Combined Radial and Thrust

Combined Radial, Thrust, and Moment

Thrust

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.

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.

Bearing Construction

For Housing ID

Width

Bearing Seal Type

Shaft Mount Type

Static Thrust Load Capacity

Less than 10,000 lb.

100,000 lb. to 199,999 lb.

Housing Material

Material

Roller Bearing Type

Ball Bearing Profile

Maximum Rotation Speed

RoHS

REACH

Export Control Classification Number (ECCN)

1C999

EAR99

DFARS Specialty Metals

Overall Length

27 Products

Power Transmission

Roller Bearings

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

2 products

Ball Bearings

Create less friction than other bearings for use at high speeds

2 products

Mounted Bearings

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

2 products

Thrust Bearings

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

1 product

Raw Materials

Bronze

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

8 products

Plastic

A lightweight alternative to metal and glass

12 products