| Bearing NO. | Bearing Number | Boundary dimensions(mm) | |||
| d | D | T | r (min） | ||
| S51112 | S51112 | 60 | 85 | 17 | 1 |
| S51212 | S51212 | 60 | 95 | 26 | 1 |
| S51113 | S51113 | 65 | 90 | 18 | 1 |
| S51213 | S51213 | 65 | 100 | 27 | 1 |
| S51114 | S51114 | 70 | 95 | 18 | 1 |
| S51214 | S51214 | 70 | 105 | 27 | 1 |
| S51115 | S51115 | 75 | 100 | 19 | 1 |
| S51215 | S51215 | 75 | 110 | 27 | 1 |
| S51116 | S51116 | 80 | 105 | 19 | 1 |
| S51216 | S51216 | 80 | 115 | 28 | 1 |
| S51117 | S51117 | 85 | 110 | 19 | 1 |
| S51217 | S51217 | 85 | 125 | 31 | 1 |
| S51118 | S51118 | 90 | 120 | 22 | 1 |
| S51218 | S51218 | 90 | 135 | 35 | 1.1 |
| S51120 | S51120 | 100 | 135 | 25 | 1 |
| S51220 | S51220 | 100 | 150 | 38 | 1.1 |
| S51122 | S51122 | 110 | 145 | 25 | 1 |
| S51124 | S51124 | 120 | 155 | 25 | 1 |