IKO IRB712 services Needle Non Thrust Roller Bearings

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IKO IRB712 services Needle Non Thrust Roller Bearings image

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IKO IRB712 services Needle Non Thrust Roller Bearings Specifications

Bearing number:7220HG1UJ74
Size (mm):100x180x34
Bore Diameter (mm):100
Outer Diameter (mm):180
Width (mm):34
d:100 mm
D:180 mm
B:34 mm
C:34 mm
Angle (α):20 °
d1:127.3 mm
D1:153 mm
D2:168 mm
a:50 mm
Contact angle α:25 °
rs min:2.1 mm
r1s min:1.1 mm
f0:14.82
Precision class:P4
Mass:3.23 kg
Dynamic load, C:141 kN
Static load, C0:121 kN
Fatigue limit load, Cu:5.7 kN
Nlim (oil):10,500 rpm
Nlim (grease):6,800 rpm
Axial displacement K Factor:0.5
Preload level:7
Preload value:1.4 kN
Axial rigidity:320 N/µm
Radial rigidity:682 N/µm
Min operating temperature, Tmin:-30 °C
Max operating temperature, Tmax:120 °C
Characteristic cage frequency, FTF:0.42 Hz
Characteristic rolling element frequency, BSF:5.36 Hz
Characteristic outer ring frequency, BPF0:5.85 Hz
Characteristic inner ring frequency, BPFI:8.15 Hz
da min:112 mm
db min:112 mm
Da max:168 mm
Db max:168 mm
r1a max:1 mm
ra max:2 mm
D6:131 mm

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