21300-series
Model list for the 21300-series spherical roller bearings: bore, outer diameter and width with seal and clearance options. Open a model for full specs and verified equivalents.
12 models 50–110 mm bore range Full / partial / verify match grading
| Model | d (mm) | D (mm) | B (mm) | Seal | Clearance | Cross refs |
|---|---|---|---|---|---|---|
| 21310 | 50 | 110 | 27 | open | CN | 1 |
| 21311 | 55 | 120 | 29 | open | CN | 1 |
| 21312 | 60 | 130 | 31 | open | CN | 1 |
| 21313 | 65 | 140 | 33 | open | CN | 1 |
| 21314 | 70 | 150 | 35 | open | CN | 1 |
| 21315 | 75 | 160 | 37 | open | CN | 1 |
| 21316 | 80 | 170 | 39 | open | CN | 1 |
| 21317 | 85 | 180 | 41 | open | CN | 1 |
| 21318 | 90 | 190 | 43 | open | CN | 1 |
| 21319 | 95 | 200 | 45 | open | CN | 1 |
| 21320 | 100 | 215 | 47 | open | CN | 1 |
| 21322 | 110 | 240 | 50 | open | CN | 1 |