Made with AISI 52100 bearing steel (also known as GCR-15 or 100CR6) It is heat hardened to Rc 59-64 prior to final grinding and polishing, giving it excellent wear resistance and long life.
Weight | 0.4 oz |
---|---|
Id | 3/8 inches |
Od | 7/8 inches |
Th | .218 inches |
Enclosure | None (open) |
Ball mtl | Bearing Steel |
Race mtl | Bearing Steel |
Retainer mtl | Metallic |
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