31308
Precision tapered roller bearing > Single row tapered roller bearing
31308 - Single row tapered roller bearing - Precision tapered roller bearing
| Product model | 31308 |
|---|---|
| d | 40 mm |
| D | 90 mm |
| B | 23 mm |
| Limiting speed | 7500 r/min |
| Reference speed | 5600 r/min |
| T | 25.25mm |
| d1 | ≈67.15mm |
| C | 17mm |
| r1,2 | min.2mm |
| r3,4 | min.1.5mm |
| a | 28.252mm |
| da | max.51mm |
| db | min.50mm |
| Da | max.82.5mm |
| Db | min.86mm |
| Ca | min.3mm |
| Cb | min.8mm |
| ra | max.2mm |
| rb | max.1.5mm |
| Pu | 9.5kN |
| Calculation coefficient(e) | 0.83 |
| Y | 0.72 |
| Y0 | 0.4 |
| Mass bearing | 0.72kg |
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31308 / Single row tapered roller bearing / Precision tapered roller bearing