These 21mm snap-rings work perfectly with our linear ball bearings. They are black-finish steel with a Rockwell hardness of C44.
| Material | Steel |
|---|---|
| Weight | 0.0565oz. |
| Finish | black-phosphate |
| Type | External |
| Style | Standard |
| Recommended Shaft Diameter | 21mm |
| Recommended Groove Diameter | 20mm |
| Recommended Groove Width | 1.3mm |