Angular contact ball bearings, four-point contact ball bearings QJ 309 MA
Bearing number : QJ 309 MA
Size (mm) : 45x100x25
Brand : SKF
Bore Diameter (mm) : 45
Outer Diameter (mm) : 100
Width (mm) : 25
Bearing dimensions and specification in SKF catalogue:
d - 45 mm
D - 100 mm
B - 25 mm
d1 - - 58 mm
D1 - - 81.2 mm
a - 51 mm
r1,2 - min. - 1.5 mm
da - min. - 54 mm
Da - max. - 91 mm
ra - max. - 1.5 mm
Basic dynamic load rating - C - 100 kN
Basic static load rating - C0 - 83 kN
Fatigue load limit - Pu - 3.6 kN
Reference speed - 9000 r/min
Limiting speed - 12000 r/min
Calculation factor - ka - 1.1
Calculation factor - e - 0.95
Calculation factor - X - 0.6
Calculation factor - Y0 - 0.58
Calculation factor - Y1 - 0.66
Calculation factor - Y2 - 1.07
Mass bearing - 1.05 kg
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