NTN NK29/20R+IR25X29X20 needle roller bearings
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| d | 80 mm |
| D | 140 mm |
| B | 26 mm |
| E | 127.3 mm |
| F | 95.3 mm |
| rs min | 2 mm |
| r1s min | 2 mm |
| Radial clearance class | C0 |
| Mass (without HJ ring) | 1.68 kg |
| Dynamic load, C | 139 kN |
| Static load, C0 | 167 kN |
| Fatigue limit load, Cu | 19.8 kN |
| Nlim (oil) | 5,100 rpm |
| Nlim (grease) | 4,400 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.43 Hz |
| Characteristic rolling element frequency, BSF | 6.81 Hz |
| Characteristic outer ring frequency, BPF0 | 7.71 Hz |
| Characteristic inner ring frequency, BPFI | 10.29 Hz |
| da min | 89 mm |
| da max | 94 mm |
| db min | 97 mm |
| Da max | 131 mm |
| ra max | 2 mm |
| r1a max | 2 mm |
Detailed Parameters
parameter：
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