E-Style Retaining Rings | McMaster-Carr

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System of Measurement

Retaining Ring Style

Groove Diameter

Material

Retaining Ring Type

Ring OD

Groove Width

Ring Thickness

Finish

Zinc Yellow-Chromate Plated

Side-Mount Retaining Ring Style

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)

Magnetic Properties

Magnetic

Nonmagnetic

For Rings That Fit OD

Specifications Met

Thrust Load Capacity

1,000 lbf to 1,999 lbf

2,000 lbf to 9,999 lbf

10,000 lbf to 19,999 lbf

20,000 lbf or greater

REACH

Compliant

RoHS

Compliant

Not Compliant

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

Minimum Hardness

Hardness

DFARS Specialty Metals

Compliant

Exempt

Export Control Classification Number (ECCN)

Performance

Number of Pieces

257 Products

Retaining Rings

Side-Mount External Retaining Rings

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

139 products

Reinforced Side-Mount External Retaining Rings

Rings for increased resistance to vibration, shock, and speed

69 products

Side-Mount, Tapered External, Internal Retaining Rings Assortment

Cover all bases with multiple retaining ring types and styles

1 product

Side-Mount External Retaining Rings Assortment

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

6 products

Tight-Hold Bowed Side-Mount External Retaining Rings

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

11 products

High-Load Side-Mount External Retaining Rings

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

34 products

Tapered and Side-Mount External Retaining Rings Assortment

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

1 product

Other Products

Retaining Ring Pliers

Install and remove rings inside a bore or around a shaft

23 products