KOYO K20X28X20H Roller Bearings

Bearing number: 4T-JH913848/JH913811
Size (mm): 70x150x41.275
Bore Diameter (mm): 70
Outer Diameter (mm): 150
Width (mm): 41,275
d: 70 mm
D: 150 mm
T: 41,275 mm
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Product Details

Bearing number 4T-JH913848/JH913811
Size (mm) 70x150x41.275
Bore Diameter (mm) 70
Outer Diameter (mm) 150
Width (mm) 41,275
d 70 mm
D 150 mm
T 41,275 mm
B 39,688 mm
C 25,4 mm
ra1 max. 3,3 mm
a - 4,3 mm
Da 126 mm
db 82 mm
ra max. 2 mm
da 92 mm
Db 146 mm
Weight 3,08 Kg
Basic dynamic load rating (C) 199 kN
Basic static load rating (C0) 234 kN
(Grease) Lubrication Speed 2 400 r/min
(Oil) Lubrication Speed 3 200 r/min
Calculation factor (e) 0,78
Calculation factor (Y0) 0,42
d1 108.5 mm
a 45.58 mm
e 0.78
Y2 0.77
Y0 0.42
Mass 3.08 kg
Dynamic load, C 199 kN
Rating life coefficient, A2 1.4
Static load, C0 234 kN
Fatigue limit load, Cu 28 kN
Nlim (oil) 3,200 rpm
Nlim (grease) 2,400 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 5.34 Hz
Characteristic outer ring frequency, BPF0 6.29 Hz
Characteristic inner ring frequency, BPFI 8.71 Hz
ra max 2 mm
r1a max 3.3 mm
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Worktime 9.00--18.00
Phone 0065-31591338
Fax 0065-31591338
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