| Bearings No. | Dimensions (Metric/mm) | Approx. |
| d | D | B | Wgt. lbs |
| 681 | 1 | 3 | 1 | 0.0001 |
| MR-31X | 1 | 3 | 1.5 | 0.0001 |
| 691 | 1 | 4 | 1.6 | 0.0001 |
| MR-41/1.2 | 1.2 | 4 | 1.8 | 0.0001 |
| 68/1.5 | 1.5 | 4 | 1.2 | 0.0001 |
| X-1.5 | 1.5 | 5 | 1.7 | 0.0004 |
| 619/1.5 | 1.5 | 5 | 2 | 0.0004 |
| 60/1.5 | 1.5 | 6 | 2.5 | 0.0005 |
| 672 | 2 | 4 | 1.2 | 0.0003 |
| 682 | 2 | 5 | 1.5 | 0.0003 |
| 638/3-2RS | 3 | 7 | 3 | 0.002 |
| 639-3-2RS | 3 | 8 | 4 | 0.002 |
| 623-2RS | 3 | 10 | 4 | 0.004 |
| 638/4-2RS | 4 | 9 | 4 | 0.003 |
| 619/4-2RS | 4 | 11 | 4 | 0.003 |
| 604-2RS | 4 | 12 | 4 | 0.003 |
| 624-2RS | 4 | 13 | 5 | 0.009 |
| 634-2RS | 4 | 16 | 5 | 0.011 |
| 638/5-2RS | 5 | 11 | 5 | 0.004 |
| 619/5-2RS | 5 | 13 | 4 | 0.0055 |
| 605-2RS | 5 | 14 | 5 | 0.006 |
| 625-2RS | 5 | 16 | 5 | 0.013 |
| 635-2RS | 5 | 19 | 6 | 0.02 |
| 628/6-2RS | 6 | 13 | 5 | 0.005 |
| 619/6-2RS | 6 | 15 | 5 | 0.0086 |
| 606-2RS | 6 | 17 | 6 | 0.006 |
| 626-2RS | 6 | 19 | 6 | 0.022 |
| 628/7-2RS | 7 | 14 | 5 | 0.0064 |
| 619/7-2RS | 7 | 15 | 5 | 0.0108 |
| 607-2RS | 7 | 19 | 6 | 0.02 |
| 627-2RS | 7 | 22 | 7 | 0.026 |
| 628/8-2RS | 8 | 16 | 5 | 0.0082 |
| 638/8-2RS | 8 | 16 | 6 | 0.009 |
| 619/8-2RS | 8 | 19 | 6 | 0.0156 |
| 608-2RS | 8 | 22 | 7 | 0.033 |
| 628-9-2RS | 9 | 17 | 5 | 0.0089 |
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