Numbering System of Angular Contact Ball Bearings?
Reference models number for your reference:
| Bearing Numbers | d | D | B | Mass(kg) (approx) |
| 7906CV1V | 30 | 47 | 9 | 0.049 |
| 7906A5V1V | 30 | 47 | 9 | 0.05 |
| 7907CV1V | 35 | 55 | 10 | 0.074 |
| 7907A5V1V | 35 | 55 | 10 | 0.075 |
| 7908CV1V | 40 | 62 | 12 | 0.109 |
| 7908A5V1V | 40 | 62 | 12 | 0.11 |
| 7909CV1V | 45 | 68 | 12 | 0.129 |
| 7909A5V1V | 45 | 68 | 12 | 0.13 |
| 7910CV1V | 50 | 72 | 12 | 0.13 |
| 7910A5V1V | 50 | 72 | 12 | 0.132 |
| 7911CV1V | 55 | 80 | 13 | 0.182 |
| 7911A5V1V | 55 | 80 | 13 | 0.184 |
| 7912CV1V | 60 | 85 | 13 | 0.195 |
| 7912A5V1V | 60 | 85 | 13 | 0.198 |
| 7913CV1V | 65 | 90 | 13 | 0.208 |
| 7913A5V1V | 65 | 90 | 13 | 0.211 |
| 7914CV1V | 70 | 100 | 16 | 0.338 |
| 7914A5V1V | 70 | 100 | 16 | 0.341 |
| 7915CV1V | 75 | 105 | 16 | 0.358 |
| 7915A5V1V | 75 | 105 | 16 | 0.355 |
| 7916CV1V | 80 | 110 | 16 | 0.377 |
| 7916A5V1V | 80 | 110 | 16 | 0.381 |
| 7917CV1V | 85 | 120 | 18 | 0.534 |
| 7917A5V1V | 85 | 120 | 18 | 0.541 |
| 7918CV1V | 90 | 125 | 18 | 0.568 |
| 7918A5V1V | 90 | 125 | 18 | 0.56 |
| 7919CV1V | 95 | 130 | 18 | 0.597 |
| 7919A5V1V | 95 | 130 | 18 | 0.603 |
| 7920CV1V | 100 | 140 | 20 | 0.8 |
| 7920A5V1V | 100 | 140 | 20 | 0.808 |
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