SKF NRT200B Axial-radial cylindrical roller bearings,SKF NRT 200 B 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 200 B

NRT 200 B

Dimensions
d 200mm
D 300mm
H 45mm
d1 274mm
C 15mm
H1 30mm
J 215mm
J1 285mm
N 7mm
N1 11mm
N2 7mm
a 6.2mm
r1min.0.6mm
r2min.0.3mm
Calculation data
Basic dynamic load rating - radial directionC 93.5kN
Basic static load rating - radial directionC0 270kN
Basic dynamic load rating - axial directionC 85kN
Basic static load rating - axial directionC0 630kN
Attainable speed for grease lubrication  170r/min
Attainable speed for oil-air lubrication  340r/min
Axial preload  2.9kN
Axial unloading force  6.2kN
Frictional momentCRL 14N·m
Axial stiffness  12kN/µm
Radial stiffness  6.5kN/µm
Moment stiffness  75kN·m/mrad
Mass
Mass bearing  9.5kg
Rotary table
Guideline diameter  500mm
Mounting information
Retaining bolts
Size  M6
Number of bolts  2 
Angle between bolts  180°
Removal threads
SizeG M8
Number of threads  3 
Angle between threads  120°
Required attachment bolts, shaft
Bolt size  M6
Pitcha 7.5°
Number of bolts  46 
Number of bolts omitted at retaining bolts position  2, 180° apart
Tightening torque (Bolt grade 10.9)  14N·m
Required attachment bolts, housing
Bolt size  M6
Pitcha 7.5°
Number of bolts  45 
Number of bolts omitted at removal thread position  3, 120° apart
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Hot number: 1275252 15039 22x40x6 CRW1 R 25577/25520 30x42x7 CRW1 V 89310 TN 9x22x7 HMSA10 RG ECY 215 FSAF 23024 KATLC x 4.3/16 NCF 2913 CV NU 1007 ECPH PWM 95110120 RNA 4902 SAW 23530 x 5.1/8 SIJ 25 ES

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