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

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
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
View more

Company Profile

Phone 33-5-78-81-9000
View more

Related News

  • To Grease or Not to Grease - Reliable PlantThat way, the bearing can (hopefully) be changed during a scheduled larger motors using open and shielded bearings can and should be lubricated, period. strategy is to apply lubrication engineering logic to...
  • How long did your last bearing last ? [Archive] - SkateboardI had Bones Reds since October and I bought new ones yesterday. I'm so proud they're the best bearings you can get for the price. The guy  What are the best Bones bearings for street? — Skate...
  • Bearing Numbers Meaning |For Ex: In a 6208 bearing the first digit being '6′ is a Single Row Deep now that in case of bearing 6208RS, the last letters 'RS' means the bearing is shielded  bearing designation systems - NSK Digital MagazineNSK. RHP....
  • Recommended Products

    All Products Contact Now