Rolling-Element Bearings | McMaster-Carr

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	System of Measurement System of Measurement

	For Shaft Diameter For Shaft Diameter

	For Housing ID For Housing ID

	Width Width

	Bearing Type Bearing Type


Ball	Roller

Plain

	ID ID

	OD OD

	Ball Bearing Type Ball Bearing Type


Standard	With Retaining Ring	Flanged

	Seal Type Seal Type

	For Load Direction For Load Direction

	Radial
	Combined Radial and Thrust
	Combined Radial, Thrust, and Moment
	Thrust

	Trade Number Trade Number

	For Shaft Type For Shaft Type


Round	Hex

Round with Support Rail	Spline

	Ring Material Ring Material

Plastic

Stainless Steel

	Mounted Bearing Type Mounted Bearing Type


Base Mount	Two-Bolt Flange Mount

Four-Bolt Flange Mount	Thread Mount

Three-Bolt Flange Mount

	Inner Ring Type Inner Ring Type


Standard	Extended

	Dynamic Radial Load Capacity Dynamic Radial Load Capacity

Less than 1,000 lbs.

1,000 to 1,999 lbs.

2,000 to 2,999 lbs.

3,000 to 9,999 lbs.

10,000 lbs. or greater

	Lubrication Lubrication

	Maximum Speed Maximum Speed

Less than 10,000 rpm

10,000 to 19,999 rpm

20,000 to 29,999 rpm

30,000 to 99,999 rpm

100,000 rpm or greater

	Ball Material Ball Material

Stainless Steel

	Cage Material Cage Material

Stainless Steel

	ABEC Rating ABEC Rating

	Overall Length Overall Length

	Lubricant Lubricant

Grease with Lithium
Thickener

Grease with Aluminum
Thickener

Synthetic Grease with Lithium
Thickener

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3,296 Products

Bearings

Ball Bearings

Ball Bearings

Ball bearings operate with less friction than other bearings, so they can run at higher speeds.

Roller Bearings

Roller Bearings

Roller bearings generally support higher loads than ball bearings but run at lower speeds.

Mounted Bearings

Mounted Bearings

Other Rolling-Element Bearings

Linear Bearings

Linear Bearings

Wheel Bearings

Wheel Bearings

Replace worn or damaged wheel bearings to keep your equipment rolling.

Bearings for Conveyor Rollers

Bearings for Conveyor Rollers

Replace worn bearings or press-fit bearings into tubing or pipe to create your own roller.

Speed Reducers for Roller Conveyors

Speed Reducers for Roller Conveyors

Also known as pallet brakes, these mount underneath rollers on a gravity conveyor and create friction on the rollers to control the conveyor's speed.

Ball Screws and Nuts

Components are steel for use in noncorrosive environments.

Telescoping Rail Sets

Create your own positioning table or telescoping slide. Sets include four rails, two roller bearing cages, and eight end stops.

Carriages and Guide Rails

For accurate, repeatable linear motion in automated systems, carriages and guide rails are designed to handle off-center and twisting loads—often at high speeds.

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