| 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) |
| 681 | 1 | 3 | 1 | 开式 | 82 | 21 | 130000 | 150000 | 0.03 | 691 | 1 | 4 | 1.6 | 开式 | 120 | 30 | 100000 | 120000 | 0.11 |
| 681X | 1.5 | 4 | 1.2 | 开式 | 95 | 26 | 100000 | 120000 | 0.1 | 681XZZ | 1.5 | 4 | 2 | 金属密封 | 95 | 26 | 100000 | 120000 | 0.14 |
| 691X | 1.5 | 5 | 2 | 开式 | 144 | 40 | 85000 | 100000 | 0.2 | 691XZZ | 1.5 | 5 | 2.6 | 金属密封 | 144 | 10 | 85000 | 100000 | 0.25 |
| 601X | 1.5 | 6 | 2.5 | 开式 | 281 | 79 | 75000 | 90000 | 0.31 | 601XZZ | 1.5 | 6 | 3 | 金属密封 | 281 | 79 | 75000 | 90000 | 0.4 |
| 682 | 2 | 5 | 1.5 | 开式 | 144 | 40 | 85000 | 100000 | 0.15 | 682ZZ | 2 | 5 | 2.3 | 金属密封 | 144 | 40 | 85000 | 100000 | 0.2 |
| MR52 | 2 | 5 | 2 | 开式 | 144 | 40 | 85000 | 100000 | 0.14 | MR52ZZ | 2 | 5 | 2.5 | 金属密封 | 144 | 40 | 85000 | 100000 | 0.2 |
Mobile Site
