021.30.800 Slewing Bearing

Bearing number:4T-6277/6220
Size (mm):44.45x127x50.8
Bore Diameter (mm):44,45
Outer Diameter (mm):127
Width (mm):50,8
d:44,45 mm
D:127 mm
T:50,8 mm
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Product Details

Bearing number4T-6277/6220
Size (mm)44.45x127x50.8
Bore Diameter (mm)44,45
Outer Diameter (mm)127
Width (mm)50,8
d44,45 mm
D127 mm
T50,8 mm
B52,388 mm
C41,275 mm
ra1 max.3,3 mm
a19,5 mm
Da108 mm
db60 mm
ra max.3,5 mm
da67 mm
Db117 mm
Weight3,58 Kg
Basic dynamic load rating (C)250 kN
Basic static load rating (C0)320 kN
(Grease) Lubrication Speed3 200 r/min
(Oil) Lubrication Speed4 300 r/min
Calculation factor (e)0,3
Calculation factor (Y0)1,11
d188 mm
e0.3
Y22.01
Y01.11
Mass3.58 kg
Dynamic load, C250 kN
Rating life coefficient, A21.4
Static load, C0320 kN
Fatigue limit load, Cu39 kN
Nlim (oil)4,300 rpm
Nlim (grease)3,200 rpm
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.41 Hz
Characteristic rolling element frequency, BSF5.08 Hz
Characteristic outer ring frequency, BPF05.7 Hz
Characteristic inner ring frequency, BPFI8.3 Hz
ra max3.5 mm
r1a max3.3 mm
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Company Profile

Phone 33-5-78-81-9000
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