RBC BALL BEARINGS MATERIAL COMPARISON
RBC thin section ball bearings are engineered to solve a variety of design problems that cannot be solved with conventional ball bearings.
General Information
RBC BEARING MATERIAL COMPARISON
| Â | Â K | N | P | S | |
| Â Material Type | Rings | Â 52100 | Â 52100 + TDC | 17 – 4 PHÂ | Â 440C |
| Balls | Â 440C | Si3N4Â | |||
| Â Typical Hardness | HRc 58 – 66 | HRc 70-72 | H900 | HRc 58 – 64 | |
| Â Corrosion Resistant Material | Poor | Good | Very Good | Good | |
| Â Fatigue Resistance | Good | Good | Poor | Good | |
| Â Fretting Resistance | Good | Very Good | Poor | Very Good | |
|  Preservative | Yes |  May be supplied with or without preservative  | |||
