QJF 234 N2MA
Precision ball bearing > QJF/Q four point contact ball bearing
QJF 234 N2MA - QJF/Q four point contact ball bearing - Precision ball bearing
| Product model | QJF 234 N2MA |
|---|---|
| d | 170 mm |
| D | 310 mm |
| B | 52 mm |
| Limiting speed | 3400 r/min |
| d1 | ≈204mm |
| D1 | ≈243mm |
| Distance from load point (a) | 168mm |
| Fillet radius of locating groove (r0) | 2mm |
| Chamfer size of inner ring (r1,2) | min.4mm |
| da | min.187mm |
| Da | max.293mm |
| ra | max.3mm |
| Pu | 20kN |
| Calculation coefficient (A) | 1.26 |
| Calculation coefficient (e) | 0.95 |
| Calculation coefficient (X) | 0.6 |
| Y0 | 0.58 |
| Y1 | 0.66 |
| Y2 | 1.07 |
| Mass bearing | 19.5kg |
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QJF 234 N2MA / QJF/Q four point contact ball bearing / Precision ball bearing