31300-series
Model list for the 31300-series tapered roller bearings: bore, outer diameter and width with seal and clearance options. Open a model for full specs and verified equivalents.
22 models 25–150 mm bore range Full / partial / verify match grading
| Model | d (mm) | D (mm) | B (mm) | Seal | Clearance | Cross refs |
|---|---|---|---|---|---|---|
| 31320XU | 100 | 215 | 56.5 | open | CN | 1 |
| 31321XU | 105 | 225 | 58 | open | CN | 1 |
| 31322XU | 110 | 240 | 63 | open | CN | 1 |
| 31324XU | 120 | 260 | 68 | open | CN | 1 |
| 31326XU | 130 | 280 | 72 | open | CN | 1 |
| 31328XU | 140 | 300 | 77 | open | CN | 1 |
| 31330XU | 150 | 320 | 82 | open | CN | 1 |
| 31305 | 25 | 62 | 18.25 | open | CN | 1 |
| 31306 | 30 | 72 | 20.75 | open | CN | 1 |
| 31307 | 35 | 80 | 22.75 | open | CN | 1 |
| 31308 | 40 | 90 | 25.25 | open | CN | 1 |
| 31309 | 45 | 100 | 27.25 | open | CN | 1 |
| 31310 | 50 | 110 | 29.25 | open | CN | 1 |
| 31311 | 55 | 120 | 31.5 | open | CN | 1 |
| 31312 | 60 | 130 | 33.5 | open | CN | 1 |
| 31313 | 65 | 140 | 36 | open | CN | 1 |
| 31314 | 70 | 150 | 38 | open | CN | 1 |
| 31315 | 75 | 160 | 40 | open | CN | 1 |
| 31316 | 80 | 170 | 42.5 | open | CN | 1 |
| 31317 | 85 | 180 | 44.5 | open | CN | 1 |
| 31318 | 90 | 190 | 46.5 | open | CN | 1 |
| 31319 | 95 | 200 | 49.5 | open | CN | 1 |