Angular contact ball bearings, four-point contact ball bearings QJ 1268 MA/344524
Bearing number : QJ 1268 MA/344524
Size (mm) : 340x620x118
Brand : SKF
Bore Diameter (mm) : 340
Outer Diameter (mm) : 620
Width (mm) : 118
Bearing dimensions and specification in SKF catalogue:
d - 340 mm
D - 620 mm
B - 118 mm
d1 - - 447 mm
D1 - - 513 mm
a - 480 mm
r1,2 - min. - 6 mm
da - min. - 368 mm
Da - max. - 592 mm
ra - max. - 5 mm
Basic dynamic load rating - C - 1060 kN
Basic static load rating - C0 - 2450 kN
Fatigue load limit - Pu - 47.5 kN
Reference speed - 1000 r/min
Limiting speed - 1600 r/min
Calculation factor - ka - 0.9
Calculation factor - e - 1.34
Calculation factor - X - 0.54
Calculation factor - Y0 - 0.44
Calculation factor - Y1 - 0.47
Calculation factor - Y2 - 0.81
Mass bearing - 165 kg
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