McMaster-Carr

Choose a Category

	For OD For OD

1 to 1.4mm

1.4 to 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

Steel

Stainless Steel

	Finish Finish

Black Phosphate

Zinc-Chromate Plated

	Retaining Ring Type Retaining Ring Type

	External
	Internal

	Retaining Ring Style Retaining Ring Style


Standard	Side Mount

Spiral

	For ID For ID

	For Groove Diameter For Groove Diameter

	Ring Thickness Ring Thickness

	Ring OD Ring OD

	For Groove Width For Groove Width

	Minimum Hardness Minimum Hardness

	Ring ID Ring ID

	Thrust Load Capacity Thrust Load Capacity

Less than 10,000 lbs.

10,000 to 19,999 lbs.

20,000 to 29,999 lbs.

30,000 to 99,999 lbs.

100,000 lbs. or greater

	Magnetic Properties Magnetic Properties

Magnetic

May Be Mildly Magnetic

	Specifications Met Specifications Met

	Passivation Passivation

Not Passivated

Passivated

	Number of Teeth Number of Teeth

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666 Products

External Retaining Rings

Open these rings, pass them over the end of a shaft, and release to spring into the groove.

Side-Mount External Retaining Rings

Also known as E-style rings.

Single-Turn Spiral
External Retaining Rings

Slide these rings into place with one twist—no tools required—for applications with high thrust loads.

Heavy Duty Spiral
External Retaining Rings

Thicker than standard spiral rings, these rings withstand greater forces.

Internal Retaining Rings

Squeeze these rings to place them in the groove inside a bore or housing.

Internal Teeth Retaining Rings

With teeth along the inside, these retaining rings hold chamfered shafts inside the housing of your equipment.

Heavy-Duty Internal Retaining Rings

Thicker and stronger than standard internal retaining rings, these withstand greater thrust loads.

Single-Turn Spiral
Internal Retaining Rings

Slide these rings into place by hand with a single twist for applications with high thrust loads.

Heavy Duty Spiral
Internal Retaining Rings

Thicker than standard spiral rings, these rings withstand greater forces.