The rings and ball of bearing are made of steel GCr15 or stainless steel 9Cr18; the cage is formed to be punched of quality
cold-rolled steel; it also can be adopted plastics if necessary.
No | (%) Chemical Composition(%) | |||||
Steel No. | C | Si | Mn | P | S | Cr |
GCr | 15 | 095-1.05 | 0.15-0.35 | 0.25-0.45 | ≤0.025 | ≤0.025 1.40-1.65 |
China | ISO | U.S.A | Germany | Japan | Sweden |
GCr15 | 683/XⅦ 1 | (AISI) 52100 | (DIN)100Cr6 | (JIS)SUJ2 | SKF3 |