| Bearings Name | New Model | Old Model: | ID(mm) | OD(mm) | Width(mm) | Cr(kN) | Cor(kN) | Grease Lubrication Speed(r/min) | Oil Lubrication Speed(r/min) | Weight(kg) |
| 1641-2RS deep groove ball bearing | 1641-2RS | - | 22.2250 | 50.8 | 14.2880 | - | - | - | - | 0.131 |
| 1641NR deep groove ball bearing | 1641NR | - | 25.4 | 50.8 | 14.2880 | - | - | - | - | 0.100 |
| 1641 deep groove ball bearing | 1641 | - | 25.4 | 50.8 | 14.29 | - | - | - | - | 0.100 |
| 1640-2Z Bearing Brands SKF,FAG,NSK,NTN,TIMKEN,IKO,KOYO,NACHI | 1640-2Z | - | 22.2250 | 50.8 | 14.2880 | - | - | - | - | 0.112 |
| 1640-2RSV deep groove ball bearing | 1640-2RSV | - | 22.2250 | 50.8 | 14.2880 | - | - | - | - | 0.112 |
| 1640-2RS Bearing Brands SKF,FAG,NSK,NTN,TIMKEN,IKO,KOYO,NACHI | 1640-2RS | - | 22.2250 | 50.8 | 14.2880 | - | - | - | - | 0.112 |
| 1640NR deep groove ball bearing | 1640NR | - | 22.2250 | 50.8 | 14.2880 | - | - | - | - | 0.112 |
| 1640 deep groove ball bearing | 1640 | - | 22.2250 | 50.8 | 14.2880 | - | - | - | - | 0.112 |
| 1639-Z deep groove ball bearing | 1639-Z | - | 20.6380 | 50.8 | 14.2880 | - | - | - | - | 0.138 |
| 1639-RS deep groove ball bearing | 1639-RS | - | 20.6380 | 50.8 | 14.2880 | - | - | - | - | 0.138 |
| 1639-2Z deep groove ball bearing | 1639-2Z | - | 9 | 30 | 10 | 6.00 | 2.65 | 24000 | 29000 | 35 |
| 1639-2RS deep groove ball bearing | 1639-2RS | - | 20.6380 | 50.8 | 14.2880 | - | - | - | - | 0.138 |
| 1639 Bearing Brands SKF,FAG,NSK,NTN,TIMKEN,IKO,KOYO,NACHI | 1639 | - | 20.6380 | 50.8 | 14.2880 | - | - | - | - | 0.138 |
| 1638-Z deep groove ball bearing | 1638-Z | - | 19.05 | 50.8 | 14.2880 | - | - | - | - | 0.142 |
| 1638-RS deep groove ball bearing | 1638-RS | - | 19.05 | 50.8 | 14.2880 | - | - | - | - | 0.142 |
| 1638-2Z deep groove ball bearing | 1638-2Z | - | 19.05 | 50.8 | 14.2880 | - | - | - | - | 0.142 |
| 1638-2RSV deep groove ball bearing | 1638-2RSV | - | 19.05 | 50.8 | 14.2880 | - | - | - | - | 0.120 |
| 1638-2RS deep groove ball bearing | 1638-2RS | - | 19.05 | 50.8 | 14.2880 | - | - | - | - | 0.142 |
| 1638NR deep groove ball bearing | 1638NR | - | 19.05 | 50.8 | 14.2880 | - | - | - | - | 0.120 |
| 1638 deep groove ball bearing | 1638 | - | 19.05 | 50.8 | 14.29 | - | - | - | - | 0.120 |
