此类轴承属于单列球轴承，孔径大小从0.04英寸到 0.375英寸不等，这些轴承的结构使它们能够在低工作扭矩下承受适度的径向和推力载荷。
| 型号 | 内径 | 外径 | 厚度 | Cr | Cor | 重量 |
|---|---|---|---|---|---|---|
| R4-2RSV | 6.35 | 15.875 | 4.978 | - | - | 0.005 |
| R4-2Z | 6.35 | 15.875 | 4.978 | - | - | 0.005 |
| R4-RS | 6.35 | 15.875 | 4.978 | - | - | 0.004 |
| R4-Z | 6.35 | 15.8 | 4.978 | - | - | 0.004 |
| R4A | 6.35 | 15.88 | 5.56 | - | - | 0.008 |
| R4A-2RS | 6.35 | 19.05 | 7.14 | - | - | 0 |
| R4A-2Z | 6.35 | 19.05 | 5.558 | - | - | 0.008 |
| R4ANR | 6.35 | 19.05 | 5.558 | - | - | 0.008 |
| R4AZZ | 6.35 | 19.05 | 7.14 | - | - | 0 |
| R4NR | 6.35 | 15.875 | 4.978 | - | - | 0.005 |
| R6 | 9.525 | 22.225 | 5.56 | - | - | 0 |
| R6-2LS | 9.525 | 22.225 | 7.142 | - | - | 0.14 |
| R6-2RS | 9.525 | 22.225 | 7.14 | - | - | 0 |
| R6-2RSV | 9.525 | 22.225 | 5.558 | - | - | 0.011 |
| R6-2Z | 9.525 | 22.225 | 7.14 | - | - | 0 |
| R6-RS | 9.525 | 22.225 | 7.142 | - | - | 0.01 |
| R6-Z | 9.525 | 22.225 | 7.142 | - | - | 0.01 |
| R8 | 12.7 | 28.575 | 6.35 | - | - | 0.019 |
| R8-2RS | 28.575 | 63.975 | 12.7 | - | - | 0.122 |
| R8-2RSV | 12.7 | 28.575 | 6.35 | - | - | 0.018 |
| R8-2Z | 12.7 | 28.575 | 7.938 | - | - | 0.021 |
| R8-RS | 12.7 | 28.575 | 7.938 | - | - | 0.017 |
| R8-Z | 12.7 | 28.575 | 7.938 | - | - | 0.022 |
| R8KAA | 12.7 | 28.575 | 6.75 | - | - | 0 |
| R8NR | 12.7 | 28.575 | 6.35 | - | - | 0.018 |
| RLS10-ZZ | 31.75 | 69.85 | 17.46 | - | - | 0.308 |
| RLS4 | 12.7 | 33.338 | 9.525 | - | - | 0 |
| RW166ZZ | 4.763 | 9.525 | 3.967 | - | - | 0 |
| SR166-2Z | 4.763 | 9.525 | 3.175 | - | - | 0.001 |
| SR168-2Z | 6.35 | 9.525 | 3.175 | - | - | 0.001 |