C-Rings | McMaster-Carr

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System of Measurement

Groove Diameter

Retaining Ring Style

Retaining Ring Type

Material

Ring OD

Ring Thickness

Groove Width

Ring ID

Finish

Zinc Yellow-Chromate Plated

Magnetic Properties

Magnetic

May Be Mildly Magnetic

Nonmagnetic

Side-Mount Retaining Ring Style

Poodle

Thrust Load Capacity

Less than 10,000 lbf

10,000 lbf to 19,999 lbf

20,000 lbf to 29,999 lbf

30,000 lbf to 39,999 lbf

40,000 lbf or greater

REACH

Performance

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

RoHS

Compliant

Not Compliant

DFARS Specialty Metals

Compliant

Exempt

Export Control Classification Number (ECCN)

Hardness

Minimum Hardness

Specifications Met

Passivation

Side-Mount External Retaining Rings Included

For 1 3/16" OD (12 Pieces)

For 1/16" OD (200 Pieces)

For 1/2" OD (20 Pieces)

For 1/2" OD (25 Pieces)

For 1/2" OD (40 Pieces)

For 1/2" OD (50 Pieces)

For 1/4" OD (25 Pieces)

For 1/4" OD (30 Pieces)

For 1/4" OD (50 Pieces)

For 1/4" OD (90 Pieces)

For 1/8" OD (150 Pieces)

For 1/8" OD (30 Pieces)

For 3 mm OD (20 Pieces)

For 3 mm OD (40 Pieces)

For 3/16" OD (100 Pieces)

For 3/16" OD (30 Pieces)

For 3/16" OD (55 Pieces)

For 3/32" OD (300 Pieces)

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How can we improve?

996 Products

Retaining Rings

Side-Mount External Retaining Rings

When you can't access the ends of a shaft, install rings from the side

140 products

Tight-Clearance Side-Mount External Retaining Rings

Fit into tight spaces where other rings can’t

118 products

Spiral External Retaining Rings

Install coiled external rings by hand without the need for tools

145 products

Spiral Internal Retaining Rings

Install coiled internal rings by hand without the need for tools

151 products

Reinforced Side-Mount External Retaining Rings

Rings for increased resistance to vibration, shock, and speed

69 products

High-Load Spiral External Retaining Rings

Stand up to stronger forces with thick external spiral rings

153 products

High-Load Spiral Internal Retaining Rings

Stand up to stronger forces with thick internal spiral rings

146 products

Tight-Hold Bowed Side-Mount External Retaining Rings

Install from the side and hold on tight for the long haul

11 products

Side-Mount, Tapered External, Internal Retaining Rings Assortment

Cover all bases with multiple retaining ring types and styles

1 product

Tapered and Side-Mount External Retaining Rings Assortment

Grab an assortment of tapered and side-mount external retaining rings

1 product

High-Load Side-Mount External Retaining Rings

The "poodle" profile takes on more force than standard side-mount rings

34 products

Side-Mount External Retaining Rings Assortment

Stock up on these rings for when access to the end of the shaft is limited

6 products

Spiral External and Internal Retaining Rings Assortment

Wind spiral retaining rings of many sizes into grooves

2 products

Other Products

Retaining Ring Pliers

Install and remove rings inside a bore or around a shaft

1 product

Hog Rings

Squeeze closed using hog ring pliers to seal sacks, repair fences, and clip on tags

29 products

Hog Ring Pliers

Squeeze hog rings closed

9 products