Dimension table · DIN 720 / ISO 355
Tapered roller bearings series 313
All 21 sizes from d 25 to 150 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 (112 products).
| Designation | d (mm) | D (mm) | B (mm) | C (kN) | C₀ (kN) | n lim (rpm) | m (kg) | Offers |
|---|---|---|---|---|---|---|---|---|
| 31305 | 25 | 62 | 18,25 | 38,0 | 40,0 | 11000 | 0,270 | 5 |
| 31306 | 30 | 72 | 20,75 | 55,0 | 50,0 | 9500 | 0,390 | 6 |
| 31307 | 35 | 80 | 22,75 | 71,0 | 67,0 | 8500 | 0,539 | 7 |
| 31308 | 40 | 90 | 25,25 | 85,0 | 81,5 | 7500 | 0,720 | 4 |
| 31309 | 45 | 100 | 27,25 | 106,0 | 102,0 | 6700 | 0,950 | 7 |
| 31310 | 50 | 110 | 29,25 | 122,0 | 120,0 | 6000 | 1,210 | 5 |
| 31311 | 55 | 120 | 31,5 | 240,0 | 275,0 | 5600 | 1,550 | 8 |
| 31312 | 60 | 130 | 33,5 | 166,0 | 166,0 | 5300 | 1,940 | 5 |
| 31313 | 65 | 140 | 36 | 190,0 | 193,0 | 4800 | 2,335 | 4 |
| 31314 | 70 | 150 | 38 | 216,0 | 220,0 | 4500 | 2,960 | 5 |
| 31315 | 75 | 160 | 40 | 240,0 | 245,0 | 4300 | 3,345 | 6 |
| 31316 | 80 | 170 | 42,5 | 260,0 | 265,0 | 4000 | 4,100 | 7 |
| 31317 | 85 | 180 | 44,5 | 242,0 | 285,0 | 3800 | 4,900 | 6 |
| 31318 | 90 | 190 | 46,5 | 264,0 | 315,0 | 3400 | 5,390 | 5 |
| 31319 | 95 | 200 | 49,5 | 292,0 | 355,0 | 3400 | 6,310 | 6 |
| 31320 | 100 | 215 | 56,5 | 644,0 | 930,0 | 3000 | 8,640 | 7 |
| 31322 | 110 | 240 | 63 | 457,0 | 585,0 | 2800 | 12,500 | 5 |
| 31324 | 120 | 260 | 68 | 539,0 | 695,0 | 2400 | 15,800 | 5 |
| 31326 | 130 | 280 | 72 | 605,0 | 780,0 | 2400 | 18,800 | 3 |
| 31328 | 140 | 300 | 77 | 693,0 | 900,0 | 2200 | 23,200 | 3 |
| 31330 | 150 | 320 | 82 | 781,0 | 1020,0 | 2000 | 27,500 | 3 |
Load ratings (C, C0), limiting speed and mass are catalogue values of the open steel standard execution. Contact seals (RS/2RS) reduce the limiting speed; stainless and ceramic executions differ. All data without guarantee.