NTN NKS55 Roller Bearings

Bearing number:4T-78214C/78551
Size (mm):53.975x140.03x36.512
Bore Diameter (mm):53,975
Outer Diameter (mm):140,03
Width (mm):36,512
d:53,975 mm
D:140,03 mm
T:36,512 mm
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Product Details

Bearing number4T-78214C/78551
Size (mm)53.975x140.03x36.512
Bore Diameter (mm)53,975
Outer Diameter (mm)140,03
Width (mm)36,512
d53,975 mm
D140,03 mm
T36,512 mm
B33,236 mm
C23,52 mm
ra1 max.2,3 mm
a -8,5 mm
Da117 mm
db77 mm
ra max.0,8 mm
da79 mm
Db132 mm
Weight2,77 Kg
Basic dynamic load rating (C)171 kN
Basic static load rating (C0)212 kN
(Grease) Lubrication Speed2 600 r/min
(Oil) Lubrication Speed3 400 r/min
Calculation factor (e)0,87
Calculation factor (Y0)0,38
d1103.5 mm
a45.01 mm
e0.87
Y20.69
Y00.38
Mass2.77 kg
Dynamic load, C171 kN
Rating life coefficient, A21.4
Static load, C0212 kN
Fatigue limit load, Cu25.9 kN
Nlim (oil)3,400 rpm
Nlim (grease)2,600 rpm
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.43 Hz
Characteristic rolling element frequency, BSF5.89 Hz
Characteristic outer ring frequency, BPF07.28 Hz
Characteristic inner ring frequency, BPFI9.72 Hz
ra max0.8 mm
r1a max2.3 mm
CategoryBearings
Inventory0.0
Minimum Buy QuantityN/A
Weight / Kilogram2.794
Product GroupB04334
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Company Profile

Worktime 9.00--18.00
Phone 0065-31591338
Fax 0065-31591338
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