Frictionless 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

	Bearing Type Bearing Type


Ball	Roller

Plain

	Width Width

	Ball Bearing Type Ball Bearing Type


Standard	Flanged	With Retaining Ring

	Seal Type Seal Type

	ID ID

	OD OD

	For Load Direction For Load Direction

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

	For Shaft Type For Shaft Type


Round	Hex

Round with Support Rail	Spline

	Trade Number Trade Number

	Ring Material Ring Material

Stainless Steel

Plastic

	Mounted Bearing Type Mounted Bearing Type


Base Mount	Two-Bolt Flange Mount

Four-Bolt Flange Mount	Thread Mount

Three-Bolt Flange Mount

	Lubrication Lubrication

	Inner Ring Type Inner Ring Type


Standard	Extended

	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

	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

	Ball Material Ball Material

Stainless Steel

	ABEC Rating ABEC Rating

	Cage Material Cage Material

Stainless Steel

	Overall Length Overall Length

	Bearing Material Bearing Material

Stainless Steel

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3,021 Products

Bearings

Ball Bearings

Ball Bearings

Flanged Ball Bearings

Flanged Ball Bearings

The flange ensures proper positioning inside a tube or housing.

Set Screw Collar Ball Bearings

Set Screw Collar Ball Bearings

Slip these bearings onto a shaft and secure with the included set screws, no special tools required.

Panel-Mount Ball Bearings

Panel-Mount Ball Bearings

Unlike other ball bearings, these do not need to be fully inserted into a housing. A spline around the outside of the bearing creates a permanent, secure hold in thin panels.

Ball Bearings for Combined Loads

Ball Bearings for Combined Loads

Support a combination of radial (perpendicular to the shaft), thrust (parallel to the shaft), and moment (twisting) loads.

Thrust Ball Bearings

Thrust Ball Bearings

Separate adjacent shaft components and prevent friction in applications with thrust loads (parallel to the shaft).

Roller Bearings

Roller Bearings

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

Mounted Bearings

Mounted Bearings

Other Frictionless Bearings

Carriages and Guide Rails

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

Telescoping Rail Sets

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

Linear Bearings

Linear Bearings

Wheel Bearings

Wheel Bearings

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

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.

Bearings for Conveyor Rollers

Bearings for Conveyor Rollers

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

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