NTN NK25.5X47X22 needle roller bearings
How do you find the NTN NK25.5X47X22 needle roller bearings specification? Manufacturers Online 55 mm d Free check！
| d | 55 mm |
| D | 140 mm |
| B | 33 mm |
| rs min | 2.1 mm |
| Radial clearance class | CN |
| Mass | 2.29 kg |
| Dynamic load, C | 89 kN |
| Static load, C0 | 54 kN |
| Fatigue limit load, Cu | 2.45 kN |
| f0 | 12.7 |
| Nlim (grease) | 5,200 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.37 Hz |
| Characteristic rolling element frequency, BSF | 3.71 Hz |
| Characteristic outer ring frequency, BPF0 | 2.62 Hz |
| Characteristic inner ring frequency, BPFI | 4.38 Hz |
| da min | 66 mm |
| Da max | 129 mm |
| ra max | 2 mm |
Detailed Parameters
parameter：
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