Dimension table · DIN 720 / ISO 355
Tapered roller bearings series 331
All 12 sizes from d 40 to 110 mm bore: principal dimensions d × D × B, dynamic and static load ratings (C, C₀), limiting speed and mass — plus the executions and brands available from us (55 products).
| Designation | d (mm) | D (mm) | B (mm) | C (kN) | C₀ (kN) | n lim (rpm) | m (kg) | Offers |
|---|---|---|---|---|---|---|---|---|
| 33108 | 40 | 75 | 26 | – | – | – | 0,497 | 4 |
| 33109 | 45 | 80 | 26 | – | – | – | 0,530 | 5 |
| 33110 | 50 | 85 | 26 | – | – | – | 0,600 | 6 |
| 33111 | 55 | 95 | 30 | – | – | – | 0,850 | 6 |
| 33112 | 60 | 100 | 30 | – | – | – | 0,916 | 4 |
| 33113 | 65 | 110 | 34 | 142,0 | 208,0 | 5600 | 1,290 | 3 |
| 33114 | 70 | 120 | 37 | – | – | – | 1,790 | 5 |
| 33115 | 75 | 125 | 37 | – | – | – | 1,790 | 5 |
| 33116 | 80 | 130 | 37 | 179,0 | 280,0 | 4800 | 1,880 | 5 |
| 33117 | 85 | 140 | 41 | – | – | – | 2,460 | 5 |
| 33118 | 90 | 150 | 45 | 251,0 | 390,0 | 4300 | 3,130 | 4 |
| 33122 | 110 | 180 | 56 | 369,0 | 630,0 | 3400 | 5,520 | 3 |
Load ratings (C, C0), limiting speed and mass are catalogue values of the open steel standard execution — sizes without a verified catalogue value show "–". Contact seals (RS/2RS) reduce the limiting speed; stainless and ceramic executions differ. All data without guarantee.