| 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) |
| R4ZZ | 6.35 | 15.875 | 4.978 | 金属密封 | 283 | 112 | 38000 | 45000 | 4.54 | R4A | 6.35 | 19.05 | 5.558 | 开式 | 446 | 161 | 36000 | 43000 | 7.48 |
| R4A-2RS | 6.35 | 19.05 | 5.558 | 橡胶密封 | 446 | 161 | 36000 | 43000 | 10 | R4AZZ | 6.35 | 19.05 | 7.142 | 金属密封 | 446 | 161 | 36000 | 43000 | 10 |
| R1810 | 7.938 | 12.7 | 3.967 | 开式 | 104 | 50 | 40000 | 48000 | 1.39 | R1810-2RS | 7.938 | 12.7 | 3.967 | 橡胶密封 | 104 | 50 | 40000 | 48000 | 1.57 |
| R1810Z | 7.938 | 12.7 | 3.967 | 金属密封 | 104 | 50 | 40000 | 48000 | 1.57 | R6 | 9.525 | 22.225 | 5.558 | 开式 | 637 | 256 | 32000 | 38000 | 9.02 |
| R6-2RS | 9.525 | 22.225 | 7.142 | 橡胶密封 | 637 | 256 | 32000 | 38000 | 11.7 | R6ZZ | 9.525 | 22.225 | 7.142 | 金属密封 | 637 | 256 | 32000 | 38000 | 11.7 |
| R8 | 12.7 | 28.575 | 6.35 | 开式 | 1149 | 511 | 27000 | 32000 | 11.6 | R8-2RS | 12.7 | 28.575 | 7.938 | 橡胶密封 | 1149 | 511 | 27000 | 32000 | 24.1 |
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