KOYO RNA4906D needle roller bearings
What is the best place to buy KOYO RNA4906D needle roller bearings online? Manufacturing Service . 45 mm d
| d | 45 mm |
| D | 85 mm |
| B | 23 mm |
| d2 | 54.9 mm |
| D1 | 75.6 mm |
| rs min | 1.1 mm |
| Number of lubrication holes | 3 |
| b | 5.8 mm |
| k | 2.5 mm |
| Associated sleeve reference | H309 |
| e | 0.26 |
| Y1 | 2.64 |
| Y2 | 3.94 |
| Y0 | 2.58 |
| Radial clearance class | C3 |
| Mass | 0.54 kg |
| Dynamic load, C | 121 kN |
| Static load, C0 | 113 kN |
| Fatigue limit load, Cu | 12.6 kN |
| Nref | 7,400 rpm |
| Nlim | 9,800 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 200 °C |
| Characteristic cage frequency, FTF | 0.42 Hz |
| Characteristic rolling element frequency, BSF | 6.07 Hz |
| Characteristic outer ring frequency, BPF0 | 7.15 Hz |
| Characteristic inner ring frequency, BPFI | 9.85 Hz |
| da min | 52 mm |
| Da max | 78 mm |
| ra max | 1 mm |
Detailed Parameters
parameter：
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