Bearing B250-8 NSK -

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Bearing B250-8 NSK image

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Types of bearing online

Bearing number:4T-786/772
Size (mm):104.775x180.975x48.006
Bore Diameter (mm):104,775
Outer Diameter (mm):180,975
Width (mm):48,006
d:104,775 mm
D:180,975 mm
T:48,006 mm
B:48,006 mm
C:38,1 mm
d1:139 mm
a:39.52 mm
e:0.39
Y2:1.56
Y0:0.86
Mass:4.9 kg
Dynamic load, C:285 kN
Rating life coefficient, A2:1.4
Static load, C0:430 kN
Fatigue limit load, Cu:47.5 kN
Nlim (oil):2,700 rpm
Nlim (grease):2,000 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:7.93 Hz
Characteristic outer ring frequency, BPF0:9.24 Hz
Characteristic inner ring frequency, BPFI:11.76 Hz
ra max:6.4 mm
r1a max:3.3 mm

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NACHI PZS Series Hydraulic Piston Pumps Origin Japan

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