51300-series
Model list for the 51300-series thrust ball bearings: bore, outer diameter and width with seal and clearance options. Open a model for full specs and verified equivalents.
15 models 25–100 mm bore range Full / partial / verify match grading
| Model | d (mm) | D (mm) | B (mm) | Seal | Clearance | Cross refs |
|---|---|---|---|---|---|---|
| 51305 | 25 | 52 | 18 | open | — | 0 |
| 51306 | 30 | 60 | 21 | open | — | 0 |
| 51307 | 35 | 68 | 24 | open | — | 0 |
| 51308 | 40 | 78 | 26 | open | — | 0 |
| 51309 | 45 | 85 | 28 | open | — | 0 |
| 51310 | 50 | 95 | 31 | open | — | 0 |
| 51311 | 55 | 105 | 35 | open | — | 0 |
| 51312 | 60 | 110 | 35 | open | — | 0 |
| 51313 | 65 | 115 | 36 | open | — | 0 |
| 51314 | 70 | 125 | 40 | open | — | 0 |
| 51315 | 75 | 135 | 44 | open | — | 0 |
| 51316 | 80 | 140 | 44 | open | — | 0 |
| 51317 | 85 | 150 | 49 | open | — | 0 |
| 51318 | 90 | 155 | 50 | open | — | 0 |
| 51320 | 100 | 170 | 55 | open | — | 0 |