NTN NA593 services Tapered Roller Bearings

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NTN NA593 services Tapered Roller Bearings image

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NTN NA593 services Tapered Roller Bearings Code system

Bearing number:4T-71453/71750
Size (mm):115.087x190.5x47.625
Bore Diameter (mm):115,087
Outer Diameter (mm):190,5
Width (mm):47,625
d:115,087 mm
D:190,5 mm
T:47,625 mm
B:49,212 mm
C:34,925 mm
ra1 max.:3,3 mm
a:6,7 mm
Da:171 mm
db:126 mm
ra max.:3,5 mm
da:133 mm
Db:181 mm
Weight:5,11 Kg
Basic dynamic load rating (C):300 kN
Basic static load rating (C0):475 kN
(Grease) Lubrication Speed:1 800 r/min
(Oil) Lubrication Speed:2 500 r/min
Calculation factor (e):0,42
Calculation factor (Y0):0,79
d1:151 mm
e:0.42
Y2:1.44
Y0:0.79
Mass:5.11 kg
Dynamic load, C:300 kN
Rating life coefficient, A2:1.4
Static load, C0:475 kN
Fatigue limit load, Cu:51.2 kN
Nlim (oil):2,500 rpm
Nlim (grease):1,800 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:8.62 Hz
Characteristic outer ring frequency, BPF0:10.23 Hz
Characteristic inner ring frequency, BPFI:12.77 Hz
ra max:3.5 mm
r1a max:3.3 mm

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