Bearing Retainers | McMaster-Carr

	System of Measurement System of Measurement

Inch

Metric

	For OD For OD

3/16" to 7/32"

1/4" to 9/32"

5/16" to 11/32"

3/8" to 13/32"

7/16" to 15/32"

1/2" to 17/32"

9/16" to 19/32"

5/8" to 21/32"

11/16" to 23/32"

3/4" to 25/32"

1 to 1.4mm

1.4 to 2mm

1.5mm

2mm

2 to 2.5mm

2.5 to 3mm

3 to 4mm

4 to 5 mm

5 to 7 mm

6 to 8 mm

7 to 9mm

8 to 11 mm

9 to 12 mm

10 to 14 mm

11 to 15 mm

13 to 18 mm

16 to 24 mm

20 to 31 mm

25 to 38mm

32 to 42mm

	Material Material

	Retaining Ring Style Retaining Ring Style


Standard	Push On

Side Mount	Spiral

Crimp On	Constant Section

Clip On

	Retaining Ring Type Retaining Ring Type

	External
	Internal

	For Groove Diameter For Groove Diameter

	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"

2" to 4 1/4"

2 1/2" to 5"

3" to 6"

	Ring Thickness Ring Thickness

	For ID For ID

	For Groove Width For Groove Width

	Construction Construction


One Piece	Two Piece

Hinged

	Ring OD Ring OD

	For Shaft Type For Shaft Type


Round	Acme Lead Screw

Keyed	Square

Hex	Threaded

D-Profile	Round with Support Rail

	Finish Finish

Black Ultra-Corrosion-
Resistant Coated

Zinc Yellow-Chromate
Plated

Zinc-Chromate Plated

	Ring ID Ring ID

	Shaft Mount Type Shaft Mount Type


Clamp On	Set Screw

	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"

	Specifications Met Specifications Met

ASME

DIN

Mil. Spec.

Fed. Spec.

ANSI/ABMA

ASTM

ISO

	Minimum Hardness Minimum Hardness

	Magnetic Properties Magnetic Properties

Magnetic

May Be Mildly Magnetic

Nonmagnetic

	Thrust Load Capacity Thrust Load Capacity

Less than 10,000 lbs.

10,000 to 19,999 lbs.

20,000 to 99,999 lbs.

100,000 to 199,999 lbs.

200,000 lbs. or greater

Not Rated

	Clamping Screw Material Clamping Screw Material

Steel

Stainless Steel

About Shaft Collars

External Retaining Rings

External Retaining Rings

Heavy Duty External Retaining Rings

Mil. Spec. External Retaining Rings

Self-Locking External Retaining Rings

Inverted External Retaining Rings

Bowed External Retaining Rings

Side-Mount External Retaining Rings

Low-Clearance Side-MountExternal Retaining Rings

Heavy Duty Side-MountExternal Retaining Rings

Wide-Grip Side-MountExternal Retaining Rings

Bowed Side-MountExternal Retaining Rings

Push-On External Retaining Rings

Push-On Retaining Caps

Rectangular Push-OnExternal Retaining Rings

Flanged Push-OnExternal Retaining Rings

Heavy Duty SpiralExternal Retaining Rings

Spiral External Retaining Rings

Single-Turn SpiralExternal Retaining Rings

Crimp-On External Retaining Rings

Low-Clearance ExternalRetaining Rings

Clip-On External Retaining Rings

Speared Ends ExternalRetaining Rings

Internal Retaining Rings

Internal Retaining Rings

Inverted Internal Retaining Rings

Heavy-Duty Internal Retaining Rings

Bowed Internal Retaining Rings

Internal Teeth Retaining Rings

Single-Turn SpiralInternal Retaining Rings

Heavy Duty SpiralInternal Retaining Rings

Spiral Internal Retaining Rings

Push-On Internal Retaining Rings

Push Nuts

Round Push Nuts

Metric Round Push Nuts

Rectangular Push Nuts

Rectangular Push Nutsfor Tapping Screws

Flanged Push Nuts

Hex Push Nuts

Fastener Assortments

External Retaining Ring Assortments

Side-Mount ExternalRetaining Ring Assortments

External and Side-MountRetaining Ring Assortments

External and InternalRetaining Ring Assortments

External, Internal, and Side-MountRetaining Ring Assortments

External and Internal SpiralRetaining Ring Assortments

Internal Retaining Ring Assortments

Internal Push Ring Assortments

External Push Ring Assortments

Shaft Collars

Set Screw Shaft Collars

Washdown Set Screw Shaft Collars

Clamping Shaft Collars

Machinable-BoreClamping Shaft Collars

Washdown Clamping Shaft Collars

Quick-ConnectClamping Shaft Collars

Quick-Release Clamping Shaft Collars

Clamping Shaft Collars withPrecision-Ground Face

Ultra-Grip Clamping Shaft Collars

Extra-Grip Clamping Shaft Collars

Adjustable-WidthClamping Shaft Collars

Extra-Wide Clamping Shaft Collars

Precision Adjustable-WidthClamping Shaft Collars

Tight-Hold Quick-ReleaseClamping Shaft Collars

CounterbalancedClamping Shaft Collars

Clamping Two-Piece Shaft Collars

Machinable-Bore ClampingTwo-Piece Shaft Collars

Washdown ClampingTwo-Piece Shaft Collars

Quick-Release Two-PieceClamping Shaft Collars

Extra-Grip ClampingTwo-Piece Shaft Collars

Inch-to-Metric ClampingTwo-Piece Shaft Collars

Extra-Wide ClampingTwo-Piece Shaft Collars

Clamping Two-Piece ShaftCollars with Wrench Flats

Set Screw Two-Piece Shaft Collars

Hinged Shaft Collars

Flange-Mount Shaft Collars

Face-Mount Shaft Collars

Machinable-Face Shaft Collars

Low-Clearance Side-Mount
External Retaining Rings

Heavy Duty Side-Mount
External Retaining Rings

Wide-Grip Side-Mount
External Retaining Rings

Bowed Side-Mount
External Retaining Rings

Rectangular Push-On
External Retaining Rings

Flanged Push-On
External Retaining Rings

Heavy Duty Spiral
External Retaining Rings

Single-Turn Spiral
External Retaining Rings

Low-Clearance External
Retaining Rings

Speared Ends External
Retaining Rings

Single-Turn Spiral
Internal Retaining Rings

Heavy Duty Spiral
Internal Retaining Rings

Rectangular Push Nuts
for Tapping Screws

Side-Mount External
Retaining Ring Assortments

External and Side-Mount
Retaining Ring Assortments

External and Internal
Retaining Ring Assortments

External, Internal, and Side-Mount
Retaining Ring Assortments

External and Internal Spiral
Retaining Ring Assortments

Machinable-Bore
Clamping Shaft Collars

Quick-Connect
Clamping Shaft Collars

Clamping Shaft Collars with
Precision-Ground Face

Adjustable-Width
Clamping Shaft Collars

Precision Adjustable-Width
Clamping Shaft Collars

Tight-Hold Quick-Release
Clamping Shaft Collars

Counterbalanced
Clamping Shaft Collars

Machinable-Bore Clamping
Two-Piece Shaft Collars

Washdown Clamping
Two-Piece Shaft Collars

Quick-Release Two-Piece
Clamping Shaft Collars

Extra-Grip Clamping
Two-Piece Shaft Collars

Inch-to-Metric Clamping
Two-Piece Shaft Collars

Extra-Wide Clamping
Two-Piece Shaft Collars

Clamping Two-Piece Shaft
Collars with Wrench Flats

Top-and-Bottom Mount
Two-Piece Shaft Collars

Top-and-Bottom Mount
Quick-Release Clamping Shaft Collars

Top-and-Bottom Mount Two-Piece
Quick-Release Clamping Shaft Collars

Two-Piece Clamping
Acme Lead Screw Collars

Metric Clamping Acme
Lead Screw Collars