Angular contact ball bearings, single row 71980 AM
Bearing number : 71980 AM
Size (mm) : 400x540x65
Brand : SKF
Bore Diameter (mm) : 400
Outer Diameter (mm) : 540
Width (mm) : 65
Bearing dimensions and specification in SKF catalogue:
d - 400 mm
D - 540 mm
B - 65 mm
d1 - - 447 mm
D1 - - 496 mm
a - 168 mm
r1,2 - min. - 4 mm
r3,4 - min. - 1.5 mm
da - min. - 415 mm
Da - max. - 525 mm
Db - max. - 533 mm
ra - max. - 3 mm
rb - max. - 1.5 mm
Basic dynamic load rating - C - 423 kN
Basic static load rating - C0 - 780 kN
Fatigue load limit - Pu - 15.6 kN
Reference speed - 1200 r/min
Limiting speed - 1300 r/min
Calculation factor - kr - 0.083
Calculation factor - ka - 0.4
Calculation factor - e - 0.8
Calculation factor - X - 0.39
Calculation factor - Y0 - 0.33
Calculation factor - Y1 -
Calculation factor - Y2 - 0.76
Mass bearing - 42 kg
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