7028ACD/P4ADGC SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,7000 Series,25 Degree Contact Angle

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7028ACD/P4ADGC SKF Super Precision,Super Precision Bearings,Super Precision Angular Contact,7000 Series,25 Degree Contact Angle image

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Super Precision Bearing Specification details

ra - max.:1 mm
Calculation factor - e:0.68
Preload class A:178 N/micron
Calculation factor - f2B:1.02
Preload class A GA:125 N
Da max.:134 mm
Bore Diameter (mm):140
Limiting speed for oil lubrication:20000 mm/min
Preload class B:226 N/micron
d1:114.92 mm
Da - max.:134 mm
Basic static load rating C0:33.5 kN
Bearing number:71920 ACB/HCP4A
D:140 mm
Preload class B - GB:250 N
Number of balls z:37
B:20 mm
Preload class C GC:750 N
Calculation factor (back-to-back, face-to-face) X2:0.67
rb max.:0.6 mm

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Super Precision Bearing Specification details

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