KOYO AS140180 services Thrust Roller Bearing

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KOYO AS140180 services Thrust Roller Bearing image

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Tapered roller thrust bearings Product Description

Bearing number:4T-480/472
Size (mm):68.262x120x29.794
Bore Diameter (mm):68,262
Outer Diameter (mm):120
Width (mm):29,794
d:68,262 mm
D:120 mm
T:29,794 mm
B:29,007 mm
C:24,237 mm
ra1 max.:2 mm
a:3,9 mm
Da:107 mm
db:75 mm
ra max.:3,5 mm
da:82 mm
Db:114 mm
Weight:1,37 Kg
Basic dynamic load rating (C):128 kN
Basic static load rating (C0):177 kN
(Grease) Lubrication Speed:3 000 r/min
(Oil) Lubrication Speed:4 000 r/min
Calculation factor (e):0,38
Calculation factor (Y0):0,86
d1:93 mm
e:0.38
Y2:1.56
Y0:0.86
Mass:1.37 kg
Dynamic load, C:128 kN
Rating life coefficient, A2:1.4
Static load, C0:177 kN
Fatigue limit load, Cu:21.6 kN
Nlim (oil):4,000 rpm
Nlim (grease):3,000 rpm
Min operating temperature, Tmin:-40 °C
Max operating temperature, Tmax:120 °C
Characteristic cage frequency, FTF:0.44 Hz
Characteristic rolling element frequency, BSF:7.91 Hz
Characteristic outer ring frequency, BPF0:9.23 Hz
Characteristic inner ring frequency, BPFI:11.77 Hz
ra max:3.5 mm
r1a max:2 mm

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