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 | 14 1/5mm |
Od | 25.3mm |
Th | 6 3/10mm |
Enclosure | None (open) |
Ball mtl | Bearing Steel |
Race mtl | Bearing Steel |
Retainer mtl | HS Plastic |
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