QJ 309 MA
Precision ball bearing > QJ four point contact ball bearing
QJ 309 MA - QJ four point contact ball bearing - Precision ball bearing
| Product model | QJ 309 MA |
|---|---|
| d | 45 mm |
| D | 100 mm |
| B | 25 mm |
| Limiting speed | 12000 r/min |
| d1 | ≈58mm |
| D1 | ≈81.2mm |
| Distance from load point (a) | 51mm |
| Chamfer size of inner ring (r1,2) | min.1.5mm |
| da | min.54mm |
| Da | max.91mm |
| ra | max.1.5mm |
| Pu | 3.55kN |
| Calculation coefficient (A) | 0.0202 |
| Calculation coefficient (e) | 0.95 |
| Calculation coefficient (X) | 0.6 |
| Y0 | 0.58 |
| Y1 | 0.66 |
| Y2 | 1.07 |
| Mass bearing | 1.05kg |
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QJ 309 MA / QJ four point contact ball bearing / Precision ball bearing