Bearing Collars | McMaster-Carr

Choose a Category

	System of Measurement System of Measurement

	For Shaft Diameter For Shaft Diameter

1/8" to 3/4"

1/2" to 1"

5/8" to 1 9/16"

3/4" to 2"

1" to 2 5/8"

1 1/4" to 3"

	Material Material

Stainless Steel

	Finish Finish

	Construction Construction


One Piece	Two Piece

Hinged

	For Shaft Type For Shaft Type


Round	Acme Lead Screw

Round with Support Rail	Threaded

D-Profile	Square

Keyed	Hex

	Shaft Mount Type Shaft Mount Type


Clamp On	Set Screw

	Clamping Screw Material Clamping Screw Material

Stainless Steel

	OD OD

	Width Width

15/32"-11/16"

3/4"-1 1/16"

7/8"-1 1/4"

1"-1 7/16"

1 1/8"-1 1/2"

1 3/16"-1 9/16"

1 3/8"-1 7/8"

1 1/2"-2"

1 5/8"-2 1/4"

1 3/4"-2 1/2"

	Number of Clamping Screws Included Number of Clamping Screws Included

	Thread Size Thread Size

	Thread Pitch Thread Pitch

	Thread Type Thread Type

	Set Screw Material Set Screw Material

Stainless Steel

	Clamping Screw Finish Clamping Screw Finish

	Number of Set Screws Included Number of Set Screws Included

	For Shaft Thread Size For Shaft Thread Size

	Nut Type Nut Type


Locknut	Round

	Lever Material Lever Material

Aluminum

	For Shaft Width For Shaft Width

	For Spanner Wrench Style For Spanner Wrench Style

	Hook
	Pin

	Face Style Face Style

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About Shaft Collars

Shaft collars are useful for holding and positioning components on a shaft. They can also serve as mechanical stops and stroke limiters.

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Shaft Collars

Shaft Collars

Shaft Collars

Bearing Retaining Nuts

Bearing Retaining Nuts

Often called shaft nuts, these nuts hold bearings, bushings, pulleys, and gears in place on your threaded shaft or spindle.

Support-Rail Shaft Collars

Support-Rail Shaft Collars

Designed to fit onto shafts that have a support rail running underneath them, these collars can be used as end-stops for linear motion components.

Threaded Shaft Collars

Threaded Shaft Collars

Quick-Release Shaft Collar Handles

These threaded handles take the place of a set screw, allowing you to move set screw shaft collars without additional tools—useful for when the collar serves as a stroke limiter or mounting clamp.

D-Profile Shaft Collars

Square Shaft Collars

Square Shaft Collars

Install these two-piece collars square shafts.

Hex Shaft Collars

Hex Shaft Collars

Lead Screw Collars

Lead Screw Collars

Lead Screw Collars

Install these threaded collars on a lead screw to separate and position components, or use them as an end stop to limit travel.

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