SKF NRT580A Axial-radial cylindrical roller bearings,SKF NRT 580 A Super-precision bearings-BEARINGPOWER Co.,Ltd.
Bearings, units and housings -- Super-precision bearings -- Axial-radial cylindrical roller bearings -- Axial-radial cylindrical roller bearings, super-precision -- SKF NRT 580 A

NRT 580 A

Dimensions
d 580mm
D 750mm
H 90mm
d1 700mm
C 30mm
H1 60mm
J 610mm
J1 720mm
N 11.4mm
N1 18mm
N2 11.4mm
a 11mm
r1min.1mm
r2min.1mm
Calculation data
Basic dynamic load rating - radial directionC 229kN
Basic static load rating - radial directionC0 965kN
Basic dynamic load rating - axial directionC 285kN
Basic static load rating - axial directionC0 3550kN
Attainable speed for grease lubrication  60r/min
Attainable speed for oil-air lubrication  120r/min
Axial preload  25kN
Axial unloading force  55kN
Frictional momentCRL 140N·m
Axial stiffness  43.5kN/µm
Radial stiffness  18.6kN/µm
Moment stiffness  1838kN·m/mrad
Mass
Mass bearing  89kg
Rotary table
Guideline diameter  1250mm
Mounting information
Retaining bolts
Size  M10
Number of bolts  2 
Angle between bolts  180°
Removal threads
SizeG M12
Number of threads  6 
Angle between threads  60°
Required attachment bolts, shaft
Bolt size  M10
Pitcha 7.5°
Number of bolts  46 
Number of bolts omitted at retaining bolts position  2, 180° apart
Tightening torque (Bolt grade 10.9)  68N·m
Required attachment bolts, housing
Bolt size  M10
Pitcha 7.5°
Number of bolts  42 
Number of bolts omitted at removal thread position  6, 60° apart
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Hot number: 238/850 CAKMA/W20 30x46x7 HMSA10 RG 331978 BG 470531 60/900 MB 7013 CB/HCP4AL 7319 BECBM FYAWK 510 L HME 30/560 NF 19/600 ECMB NUH 2248 ECMH/PEX S71911 CD/HCP4A SYR 1 7/16 N W 6001-2RS1 YSA 210-2FK + HE 2310

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