7415-B-MP top 5 Latest High Precision Bearings

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High Precision Bearings Cross References

Bearing number:NRT 120 B
Size (mm):120x210x40
Bore Diameter (mm):120
Outer Diameter (mm):210
Width (mm):40
d:120 mm
D:210 mm
H:7 mm
d1:184 mm
C:12 mm
H1:26 mm
J:135 mm
J1:195 mm
N1:11 mm
N2:7 mm
a:6.2 mm
r1 - min.:0.6 mm
r2 - min.:0.3 mm
Basic dynamic load rating, radial direction - C:64.4 kN
Basic static load rating, radial direction - C0:140 kN
Basic dynamic load rating, axial direction - C:72 kN
Basic static load rating, axial direction - C0:450 kN
Limiting speed for grease lubrication:230 r/min
Limiting speed for oil lubrication:460 mm/min
Axial Preload:2 N
Axial unloading force:4.4 kN
Frictional moment - CRL:6 N·m
axial stiffness:8.5 N/micron
radial stiffness:4.5 N/micron
Moment stiffness:23000 kN·m/mrad
Mass bearing:4.8 kg
Guideline diameter:315 mm
Size - G:M8
Number of bolts:22
Angle between bolts:120 °
Size bolts:M6
Pitch - &alfa;:15 °
Number of bolts omitted at removal thread position:3, 120° apart
Number of bolts omitted at retaining bolts position:2, 180° apart
Tightening torque:14 N·m
Size:M6
N:7 mm
r1 min.:0.6 mm
r2 min.:0.3 mm
Basic dynamic load rating - radial direction C:64.4 kN
Basic static load rating - radial direction C0:140 kN
Basic dynamic load rating - axial direction C:72 kN
Basic static load rating - axial direction C0:450 kN
Attainable speed for grease lubrication:230 r/min
Attainable speed for oil-air lubrication:460 r/min
Axial preload:2 kN
Frictional moment CRL:6 N·m
Axial stiffness:8.5 kN/µm
Radial stiffness:4.5 kN/µm
Guideline rotary table diameter:315 mm
Size G:M8
Number of threads:3
Angle between threads:120 °
Bolt size:M6
Pitch α:15 °
Tightening torque (Bolt grade 10.9):14 N·m

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High Precision Bearings Cross References

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