2 1/4" ID Bearings | McMaster-Carr

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System of Measurement

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

For Load Direction

Combined Radial and Thrust

Bearing Type

Dynamic Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

40,000 lb. or greater

Bearing Trade Number

Width

Bearing Seal Type

Roller Bearing Type

Bearing Construction

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

Static Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 99,999 lb.

Shaft Mount Type

For Housing ID

Cage Material

Inner Ring Type

Static Thrust Load Capacity

20,000 lb. to 99,999 lb.

Bearing Material

Ball Bearing Profile

With Retaining Ring

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

How can we improve?

33 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

Thrust Bearings

Thrust Bearings

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

Ball Bearings

Create less friction than other bearings for use at high speeds

Sleeve Bearings

Sleeve Bearings

With no moving parts, the plainest type of bearing

Bearing Washers

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

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.)