| Bearing No. | Seal Type | Bore Dia(d) | Outer Dia(D) | Width(B) | Dynamic Load Rating (Cr) | Static Load Rating (Cor) |
| R2-6ZZ | Z | 3.175 | 9.525 | 3.571 | 122 | 41 | R2A | Open | 3.175 | 12.7 | 4.366 | 122 | 41 |
| R2AZZ | Z | 3.175 | 12.7 | 4.366 | 122 | 41 | R155 | Open | 3.967 | 7.938 | 2.779 | 69 | 27 |
| R155ZZ | Z | 3.967 | 7.938 | 3.175 | 69 | 27 | R156 | Open | 4.763 | 7.938 | 2.779 | 69 | 27 |
| R156-2RS | RS | 4.763 | 7.938 | 3.175 | 69 | 27 | R156ZZ | Z | 4.763 | 7.938 | 3.175 | 69 | 27 |
| R166 | Open | 4.763 | 9.525 | 3.175 | 136 | 49 | R166-2RS | RS | 4.763 | 9.525 | 3.175 | 136 | 49 |
| R166ZZ | Z | 4.763 | 9.525 | 3.175 | 136 | 49 | R3 | Open | 4.763 | 12.7 | 3.967 | 249 | 88 |
| R3-2RS | RS | 4.763 | 12.7 | 4.978 | 249 | 88 | R3ZZ | Z | 4.763 | 12.7 | 4.978 | 249 | 88 |
| R3A-2RS | RS | 4.763 | 15.875 | 4.978 | 283 | 112 | R3AZZ | Z | 4.763 | 15.875 | 4.978 | 283 | 112 |
| R168 | Open | 6.35 | 9.525 | 3.175 | 71 | 31 | R168-2RS | RS | 6.35 | 9.525 | 3.175 | 71 | 31 |
| R168ZZ | Z | 6.35 | 9.525 | 3.175 | 71 | 31 | R188 | Open | 6.35 | 12.7 | 3.175 | 207 | 80 |
| R188-2RS | RS | 6.35 | 12.7 | 4.763 | 207 | 80 | R188ZZ | Z | 6.35 | 12.7 | 4.763 | 207 | 80 |
| R4 | Open | 6.35 | 15.875 | 4.978 | 283 | 112 | R4-2RS | RS | 6.35 | 15.875 | 4.978 | 283 | 112 |
