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Bearing NRT 395 B (SKF)
Axial-radial cylindrical roller bearings, super-precision NRT 395 B
Bearing number : NRT 395 B
Size (mm) : 395x525x65
Brand : SKF
Bore Diameter (mm) : 395
Outer Diameter (mm) : 525
Width (mm) : 65
Bearing dimensions and specification in SKF catalogue:
d - 395 mm
D - 525 mm
H - 65 mm
d1 - 486 mm
C - 20 mm
H1 - 42.5 mm
J - 415 mm
J1 - 505 mm
H - 9.3 mm
N1 - 15 mm
N2 - 9.3 mm
a - 8.2 mm
r1 - min. - 1 mm
r2 - min. - 1 mm
Basic dynamic load rating, radial direction - C - 147 kN
Basic static load rating, radial direction - C0 - 530 kN
Basic dynamic load rating, axial direction - C - 166 kN
Basic static load rating, axial direction - C0 - 1960 kN
Limiting speed for grease lubrication - 90 r/min
Limiting speed for oil lubrication - 180 mm/min
Axial Preload - 14 N
Axial unloading force - 30 kN
Frictional moment - CRL - 55 N·m
axial stiffness - 34.6 N/micron
radial stiffness - 10.6 N/micron
Moment stiffness - 694000 kN·m/mrad
Mass bearing - 33 kg
Guideline diameter - 800 mm
Size - G - M12
Number of bolts - 3
Angle between bolts - 120 °
Size bolts - M8
Pitch - &alfa; - 7.5 °
Number of bolts - 45
Number of bolts omitted at removal thread position - 3, 120° apart
Size bolts - M8
Pitch - &alfa; - 7.5 °
Number of bolts - 46
Number of bolts omitted at retaining bolts position - 2, 180° apart
Tightening torque - 34 N·m
Size - M8
Number of bolts - 2
Tags : SKF , 395x525x65
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