2 1/2" ID Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

Width

Bearing Type

Bearing Seal Type

For Load Direction

Combined Radial and Thrust

Combined Radial, Thrust, and Moment

Shaft Mount Type

For Housing ID

Dynamic Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

Mounted Bearing Type

Base Mount

Four-Bolt Flange Mount

Ball Bearing Profile

Standard

With Retaining Ring

Static Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 99,999 lb.

200,000 lb. to 299,999 lb.

Bearing Construction

Material

Bearing Trade Number

Inner Ring Type

Shaft Type

Dynamic Thrust Load Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

Length

Center Height

DFARS Specialty Metals

Compliant

Exempt

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

Not Compliant

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75 Products

Power Transmission

Ball Bearings

Create less friction than other bearings for use at high speeds

3 products

Mounted Bearings

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

5 products

Roller Bearings

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

1 product

Roller Bearing Shaft Liners

Adapt precision needle-roller bearings for use on unhardened, unground shafts

1 product

Thrust Bearings

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

5 products

Sleeve Bearings

With no moving parts, the plainest type of bearing

3 products

Linear Bearings

Minimize friction as parts move along a shaft

2 products

Swivel Joints

Handle shaft misalignment where ball joint rod ends won’t fit; also known as spherical bearings

3 products

Pulley and Sprocket Bushings

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

11 products

Raw Materials

Bronze

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

20 products

Plastic

A lightweight alternative to metal and glass

11 products

Steel

Strong, machinable, and weldable—all with material certificates for traceability

2 products

Fastening and Joining

Shims

Align and space components on shafts, or level machinery, cabinets, and doors

7 products

Fabricating and Machining

Drill Bushings

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

1 product