Bearing No. | d | D | B | Seal Type | Basic load ratings(Cr) | Basic load ratings(Cor) | Limited Speed(rpm) Grease | Limited Speed(rpm) Grease | Mass(g) |
R3-2RS | 4.763 | 12.7 | 4.978 | 橡胶密封 | 249 | 88 | 43000 | 53000 | 2.95 | R3ZZ | 4.763 | 12.7 | 4.978 | 金属密封 | 249 | 88 | 38000 | 45000 | 5.08 |
R3A-2RS | 4.763 | 15.875 | 4.978 | 橡胶密封 | 283 | 112 | 38000 | 45000 | 5.08 | R3AZZ | 4.763 | 15.875 | 4.978 | 金属密封 | 283 | 112 | 38000 | 45000 | 5.08 |
R168 | 6.35 | 9.525 | 3.175 | 开式 | 71 | 31 | 48000 | 56000 | 0.57 | R168-2RS | 6.35 | 9.525 | 3.175 | 橡胶密封 | 71 | 31 | 48000 | 56000 | 0.6 |
R168ZZ | 6.35 | 9.525 | 3.175 | 金属密封 | 71 | 31 | 48000 | 56000 | 0.6 | R188 | 6.35 | 12.7 | 3.175 | 开式 | 207 | 80 | 40000 | 50000 | 1.6 |
R188-2RS | 6.35 | 12.7 | 4.763 | 橡胶密封 | 207 | 80 | 40000 | 50000 | 2.32 | R188ZZ | 6.35 | 12.7 | 4.763 | 金属密封 | 207 | 80 | 40000 | 50000 | 2.32 |
R4 | 6.35 | 15.875 | 4.978 | 开式 | 283 | 112 | 38000 | 45000 | 4.46 | R4-2RS | 6.35 | 15.875 | 4.978 | 橡胶密封 | 283 | 112 | 38000 | 45000 | 4.54 |