749 A/742
Precision tapered roller bearing > Single row tapered roller bearing
749 A/742 - Single row tapered roller bearing - Precision tapered roller bearing
| Product model | 749 A/742 |
|---|---|
| d | 82.55 mm |
| D | 150.089 mm |
| B | 46.672 mm |
| Limiting speed | 4300 r/min |
| Reference speed | 3600 r/min |
| T | 44.45mm |
| d1 | ≈113.2mm |
| C | 36.512mm |
| r1,2 | min.3.5mm |
| r3,4 | min.3.3mm |
| a | 31.75mm |
| da | max.95mm |
| db | min.96.5mm |
| Da | max.137.5mm |
| Db | min.142mm |
| Ca | min.8mm |
| Cb | min.7.5mm |
| ra | max.3.5mm |
| rb | max.3.3mm |
| Pu | 46.5kN |
| Calculation coefficient(e) | 0.33 |
| Y | 1.8 |
| Y0 | 1 |
| Mass bearing | 3.41kg |
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749 A/742 / Single row tapered roller bearing / Precision tapered roller bearing