KOYO MK8121 needle roller bearings

KOYO MK8121 needle roller bearings Needs Analysis , 670 mm d Manufacturing Service . Get Your Free.
d | 670 mm |
D | 820 mm |
B | 69 mm |
rs min | 4 mm |
Radial clearance class | C3 |
Mass | 75.1 kg |
Dynamic load, C | 425 kN |
Static load, C0 | 850 kN |
Fatigue limit load, Cu | 14.2 kN |
f0 | 15.9 |
Nlim (oil) | 700 rpm |
Nlim (grease) | 500 rpm |
Min operating temperature, Tmin | -20 °C |
Max operating temperature, Tmax | 120 °C |
Characteristic cage frequency, FTF | 0.47 Hz |
Characteristic rolling element frequency, BSF | 16.7 Hz |
Characteristic outer ring frequency, BPF0 | 12.7 Hz |
Characteristic inner ring frequency, BPFI | 14.31 Hz |
da min | 686 mm |
Da max | 804 mm |
ra max | 3 mm |
Detailed Parameters
parameter:
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