Retaining Rings/External/C-Type

MISUMI

[Specification Change] The material of stainless steel products will be changed sequentially starting in July 2025. Please see here for details.
There is a possibility that products and packages before and after the change may be mixed in the same shipment, but there will be no problems with use.
Please check the content on our website as the PDF does not contain the most up-to-date information.

[Features]·A C-type retaining ring, external. ·The unit of purchase is loose (available in quantities of 1 pc.). ·The retaining ring type is an outer ring retaining ring.

STWN
STWS (Stainless Steel)

No. 8 or Less

Applicable Shaft

d₄: Maximum O.D. when a retaining ring is fitted inside d₁
(Clearance O.D.)

Type	[ M ]Material	[ H ]Hardness
STWN	Spring Steel	44~53HRC
STWS	SUS304-CSP Equivalent	36~44HRC