QJF 338 N2MA
Precision ball bearing > QJF/Q four point contact ball bearing
QJF 338 N2MA - QJF/Q four point contact ball bearing - Precision ball bearing
| Product model | QJF 338 N2MA |
|---|---|
| d | 190 mm |
| D | 400 mm |
| B | 78 mm |
| Limiting speed | 2800 r/min |
| d1 | ≈263mm |
| D1 | ≈326mm |
| Distance from load point (a) | 207mm |
| Fillet radius of locating groove (r0) | 2mm |
| Chamfer size of inner ring (r1,2) | min.5mm |
| da | min.210mm |
| Da | max.380mm |
| ra | max.4mm |
| Pu | 28.5kN |
| Calculation coefficient (A) | 4.45 |
| Calculation coefficient (e) | 0.95 |
| Calculation coefficient (X) | 0.6 |
| Y0 | 0.58 |
| Y1 | 0.66 |
| Y2 | 1.07 |
| Mass bearing | 49kg |
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QJF 338 N2MA / QJF/Q four point contact ball bearing / Precision ball bearing