SKF NJ 2311 ECP/C4 services Cylindrical Roller Bearings

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SKF NJ 2311 ECP/C4 services Cylindrical Roller Bearings image

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Spherical roller thrust bearings Product Description

Bearing number:4T-59200/59412
Size (mm):50.8x104.775x36.512
Bore Diameter (mm):50,8
Outer Diameter (mm):104,775
Width (mm):36,512
d:50,8 mm
D:104,775 mm
T:36,512 mm
B:36,512 mm
C:28,575 mm
ra1 max.:3,3 mm
a:9,6 mm
Da:92 mm
db:61 mm
ra max.:3,5 mm
da:68 mm
Db:99 mm
Weight:1,44 Kg
Basic dynamic load rating (C):143 kN
Basic static load rating (C0):178 kN
(Grease) Lubrication Speed:3 700 r/min
(Oil) Lubrication Speed:4 900 r/min
Calculation factor (e):0,4
Calculation factor (Y0):0,82
d1:77.5 mm
e:0.4
Y2:1.49
Y0:0.82
Mass:1.44 kg
Dynamic load, C:143 kN
Rating life coefficient, A2:1.4
Static load, C0:178 kN
Fatigue limit load, Cu:21.7 kN
Nlim (oil):4,900 rpm
Nlim (grease):3,700 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:5.73 Hz
Characteristic outer ring frequency, BPF0:6.69 Hz
Characteristic inner ring frequency, BPFI:9.31 Hz
ra max:3.5 mm
r1a max:3.3 mm

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