McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

	For Shaft Diameter For Shaft Diameter

	Mounted Bearing Type Mounted Bearing Type


Base Mount	Two-Bolt Flange Mount

Four-Bolt Flange Mount	Three-Bolt Flange Mount

Thread Mount

	Bearing Type Bearing Type


Ball	Plain

Roller

	Center Height Center Height

	Shaft Mount Type Shaft Mount Type

	Housing Material Housing Material

	Overall Length Overall Length

	ID ID

	Seal Type Seal Type

Sealed

Open

Shielded

	Alignment Style Alignment Style

Self Aligning

Fixed Alignment

	Bearing Material Bearing Material

	Grease Fitting Included Grease Fitting Included

Yes

	For Load Direction For Load Direction

	Radial
	Combined Radial and Thrust

	Dynamic Radial Load Capacity Dynamic Radial Load Capacity

	Maximum Speed Maximum Speed

50,000 rpm or greater

	Lubrication Lubrication

Lubricated

Not Required

Required

	For Shaft Type For Shaft Type


Round	Round with Support Rail

Spline

	Mounting Hole Center-to-Center Mounting Hole Center-to-Center

	Misalignment Capability Misalignment Capability

	Lubricant Lubricant

Grease with Lithium
Thickener

Oil

Grease with Aluminum
Thickener

Solid Polymer

PTFE

Synthetic Grease with Lithium
Thickener

Graphite

Grease

	Mounting Hole Width Mounting Hole Width

	Number of Set Screws Included Number of Set Screws Included

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937 Products

Bearings

Mounted Ball Bearings

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

Mounted Sleeve Bearings

With no moving parts, sleeve bearings are the simplest type of bearing. They generally handle higher temperatures than ball and roller bearings.

Mounted Roller Bearings

Roller bearings have a thinner profile and larger contact area than ball bearings, making them stronger and more space-efficient than ball bearings.

Mounted Bearings
with Two-Bolt Flange

Mounted Bearings
with Four-Bolt Flange

Insert Bearings

Swap out worn inserts instead of replacing the entire mounted unit.

Mounted Bearings
with Three-Bolt Flange

With all three mounting holes on one side, you can position the bearing above or below the mounting surface.

Thread-Mount Bearings

Combine with threaded pipe to mount these bearings in a variety of positions without the need for a flat mounting surface.

Bearing Housings

Mate one of these housings with your own bearing to create a custom mounted bearing.

Other Pillow Block Bearings

Mounted Linear Bearings

A complete mounted linear bearing comes ready to use with the bearing installed inside a housing.

Lead Screws and Screw Jacks

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Bearings

Mounted Ball Bearings

Mounted Sleeve Bearings

Mounted Roller Bearings

Mounted Bearingswith Two-Bolt Flange

Mounted Bearingswith Four-Bolt Flange

Insert Bearings

Mounted Bearingswith Three-Bolt Flange

Thread-Mount Bearings

Bearing Housings

Other Pillow Block Bearings

Mounted Linear Bearings

Lead Screws and Screw Jacks

Mounted Bearings
with Two-Bolt Flange

Mounted Bearings
with Four-Bolt Flange

Mounted Bearings
with Three-Bolt Flange