Bearing NRT 325 B

Bearing NRT 325 B images Bearing NRT 325 B images
From: Thrust Roller Bearings
Thrust Roller Bearings Bearing NRT 325 B Related parameters
Name Value
Bearing number NRT 325 B
Size (mm) 325x450x60
Brand MBY
Bore Diameter (mm) 325
Outer Diameter (mm) 450
Width (mm) 60
Bearing dimensions and specification
Name Value
d 325 mm
D 450 mm
H 60 mm
d1 415 mm
C 20 mm
H1 40 mm
J 342 mm
J1 430 mm
H 9.3 mm
N1 15 mm
N2 9.3 mm
a 8.2 mm
r1 min. - 0.6 mm
r2 min. - 0.6 mm
Basic dynamic load rating, radial direction C - 134 kN
Basic static load rating, radial direction C0 - 450 kN
Basic dynamic load rating, axial direction C - 153 kN
Basic static load rating, axial direction C0 - 1660 kN
Limiting speed for grease lubrication 110 r/min
Limiting speed for oil lubrication 220 mm/min
Axial Preload 12 N
Axial unloading force 26 kN
Frictional moment CRL - 45 N·m
axial stiffness 28.6 N/micron
radial stiffness 8.9 N/micron
Moment stiffness 427000 kN·m/mrad
Mass bearing 25 kg
Guideline diameter 700 mm
Size G - M12
Number of bolts 3
Angle between bolts 120 °
Size bolts M8
Pitch &alfa; - 10 °
Number of bolts 33
Number of bolts omitted at removal thread position 3, 120° apart
Size bolts M8
Pitch &alfa; - 10 °
Number of bolts 34
Number of bolts omitted at retaining bolts position 2, 180° apart
Tightening torque 34 N·m
Size M8
Number of bolts 2

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