Retaining Rings/Internal/C-Type

Brand :
MISUMI
Caution
- [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.
Product Description
[Features]·A C-type retaining ring, internal. ·The unit of purchase is loose (available in quantities of 1 pc.). ·The retaining ring type is an inner ring retaining ring.
RTWN
RTWS(Stainless Steel)
Applicable Hole

d4: Minimum circumferential diameter when a retaining ring is fitted inside d1
(Clearance I.D.)
| Type | [M] Material | [H] Hardness | [S] Surface Treatment |
| RTWN | Spring Steel | 44 to 53HRC | Phosphate coating |
| RTWS | SUS304-CSP Equivalent | 36 to 44HRC | - |