Bearing NU2272 ISO -

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NACHI PZS Series Hydraulic Piston Pumps Origin Japan

NACHI PZE Series Hydraulic Piston Pumps Origin Japan

Komastu Gear Pump Origin Japan

Home>Products>Cylindrical Roller Bearing>Bearing NU2272 ISO image

Bearing NU2272 ISO image

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Cylindrical Roller Bearing Specification details

Bearing number:NRT 460 A
Size (mm):460x600x70
Bore Diameter (mm):460
Outer Diameter (mm):600
Width (mm):70
d:460 mm
D:600 mm
H:9.3 mm
d1:560 mm
C:22 mm
H1:46 mm
J:482 mm
J1:580 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:201 kN
Basic static load rating, radial direction - C0:765 kN
Basic dynamic load rating, axial direction - C:180 kN
Basic static load rating, axial direction - C0:2240 kN
Limiting speed for grease lubrication:80 r/min
Limiting speed for oil lubrication:160 mm/min
Axial Preload:16 N
Axial unloading force:34 kN
Frictional moment - CRL:70 N·m
axial stiffness:38.5 N/micron
radial stiffness:12.1 N/micron
Moment stiffness:1036000 kN·m/mrad
Mass bearing:45 kg
Guideline diameter:1000 mm
Size - G:M12
Number of bolts:46
Angle between bolts:120 °
Size bolts:M8
Pitch - &alfa;:7.5 °
Number of bolts omitted at removal thread position:3, 120° apart
Number of bolts omitted at retaining bolts position:2, 180° apart
Tightening torque:34 N·m
Size:M8
N:9.3 mm
r1 min.:1 mm
r2 min.:1 mm
Basic dynamic load rating - radial direction C:201 kN
Basic static load rating - radial direction C0:765 kN
Basic dynamic load rating - axial direction C:180 kN
Basic static load rating - axial direction C0:2240 kN
Attainable speed for grease lubrication:80 r/min
Attainable speed for oil-air lubrication:160 r/min
Axial preload:16 kN
Frictional moment CRL:70 N·m
Axial stiffness:38.5 kN/µm
Radial stiffness:12.1 kN/µm
Guideline rotary table diameter:1000 mm
Size G:M12
Number of threads:3
Angle between threads:120 °
Bolt size:M8
Pitch α:7.5 °
Tightening torque (Bolt grade 10.9):34 N·m

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