3" OD Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

Bearing Type

For Load Direction

Combined Radial and Thrust

Combined Radial, Thrust, and Moment

Bearing Seal Type

Width

For Housing ID

Material

Bearing Construction

Ball Bearing Profile

Bearing Trade Number

Shaft Mount Type

Static Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 99,999 lb.

Roller Bearing Type

Needle

Tapered

Dynamic Thrust Load Capacity

Thickness

Dynamic Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

Shaft Type

Keyed

Round

Round with Support Rail

Length

Static Thrust Load Capacity

Less than 10,000 lb.

20,000 lb. to 99,999 lb.

REACH

Compliant

Not Compliant

RoHS

Compliant

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

Compliant

Exempt

Export Control Classification Number (ECCN)

119 Products

Power Transmission

Roller Bearings

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

6 products

Ball Bearings

Create less friction than other bearings for use at high speeds

1 product

Thrust Bearings

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

28 products

Linear Bearings

Minimize friction as parts move along a shaft

16 products

Roller Bearing Shaft Liners

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

1 product

Thrust Roller Bearing Washers

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

3 products

Pulley and Sprocket Bushings

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

4 products

Raw Materials

Bronze

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

22 products

Steel

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

3 products

Plastic

A lightweight alternative to metal and glass

14 products

Fastening and Joining

Shims

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

23 products