2 1/4" ID Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

OD

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"

For Load Direction

Combined Radial and Thrust

Width

Dynamic Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

40,000 lb. or greater

Bearing Type

Bearing Construction

Bearing Seal Type

Static Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 99,999 lb.

Dynamic Thrust Load Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

20,000 lb. to 99,999 lb.

Mounted Bearing Type

Two-Bolt Flange Mount

Bearing Trade Number

Roller Bearing Type

Static Thrust Load Capacity

20,000 lb. to 99,999 lb.

Inner Ring Type

Cage Material

Material

863 Iron Copper

Molybdenum Disulfide

Lubricant

Bearing Material

Lubrication

DFARS Specialty Metals

REACH

RoHS

Export Control Classification Number (ECCN)

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32 Products

Power Transmission

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

Ball Bearings

Create less friction than other bearings for use at high speeds

Thrust Bearings

Thrust Bearings

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

Sleeve Bearings

Sleeve Bearings

With no moving parts, the plainest type of bearing

Thrust Roller Bearing Washers

Thrust Roller Bearing Washers

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

Pulley and Sprocket Bushings

Pulley and Sprocket Bushings

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

Raw Materials

Bronze

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

Plastic

A lightweight alternative to metal and glass

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