NTN LM772749D/LM772710A+A tapered roller bearings
100% Authentic. NTN LM772749D/LM772710A+A tapered roller bearings 25.36 mm B Highest 31.75 mm d Quality. Certified 69.85 mm D Supplier.
| d | 31.75 mm |
| D | 69.85 mm |
| B | 25.36 mm |
| C | 19.05 mm |
| T | 23.81 mm |
| d1 | 49 mm |
| a | 14.71 mm |
| e | 0.27 |
| Y2 | 2.19 |
| Y0 | 1.21 |
| Mass | 0.45 kg |
| Dynamic load, C | 69 kN |
| Rating life coefficient, A2 | 1.9 |
| Static load, C0 | 81.5 kN |
| Fatigue limit load, Cu | 9.9 kN |
| Nlim (oil) | 7,600 rpm |
| Nlim (grease) | 5,700 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.42 Hz |
| Characteristic rolling element frequency, BSF | 5.59 Hz |
| Characteristic outer ring frequency, BPF0 | 6.63 Hz |
| Characteristic inner ring frequency, BPFI | 9.37 Hz |
| ra max | 3.5 mm |
| r1a max | 1.3 mm |
Detailed Parameters
parameter：
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