NTN GK42X47X21.8 needle roller bearings
What is NTN GK42X47X21.8 needle roller bearings in mechanical engineering? 25x52x15 Size (mm) Manufacturing Service . Upload your CAD file for an instant.
| Size (mm) | 25x52x15 |
| Bore Diameter (mm) | 25,000 |
| Outer Diameter (mm) | 52,000 |
| Width (mm) | 15,000 |
| d | 25,000 mm |
| D | 52,000 mm |
| B | 15,000 mm |
| C | 15,000 mm |
| E | 46.5 mm |
| F | 31.5 mm |
| D1 | 43.8 mm |
| rs min | 1 mm |
| r1s min | 0.6 mm |
| Radial clearance class | CN |
| Mass (without HJ ring) | 0.14 kg |
| Dynamic load, C | 28.5 kN |
| Static load, C0 | 26.7 kN |
| Fatigue limit load, Cu | 3.25 kN |
| Nref | 12,000 rpm |
| Nlim | 17,000 rpm |
| Min operating temperature, Tmin | -20 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.4 Hz |
| Characteristic rolling element frequency, BSF | 5.01 Hz |
| Characteristic outer ring frequency, BPF0 | 5.25 Hz |
| Characteristic inner ring frequency, BPFI | 7.75 Hz |
| da min | 29 mm |
| da max | 31 mm |
| Da max | 47 mm |
| ra max | 1 mm |
| r1a max | 0.6 mm |
Detailed Parameters
parameter：
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