QJF 311 N2MA
Precision ball bearing > QJF/Q four point contact ball bearing
QJF 311 N2MA - QJF/Q four point contact ball bearing - Precision ball bearing
| Product model | QJF 311 N2MA |
|---|---|
| d | 55 mm |
| D | 120 mm |
| B | 29 mm |
| Limiting speed | 10000 r/min |
| d1 | ≈70.5mm |
| D1 | ≈97.8mm |
| Distance from load point (a) | 61mm |
| Fillet radius of locating groove (r0) | 1mm |
| Chamfer size of inner ring (r1,2) | min.2mm |
| da | min.66mm |
| Da | max.109mm |
| ra | max.2mm |
| Pu | 5kN |
| Calculation coefficient (A) | 0.0404 |
| Calculation coefficient (e) | 0.95 |
| Calculation coefficient (X) | 0.6 |
| Y0 | 0.58 |
| Y1 | 0.66 |
| Y2 | 1.07 |
| Mass bearing | 1.75kg |
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QJF 311 N2MA / QJF/Q four point contact ball bearing / Precision ball bearing