Angular contact ball bearings, four-point contact ball bearings QJ 1040 N2MA
Bearing number : QJ 1040 N2MA
Size (mm) : 200x310x51
Brand : SKF
Bore Diameter (mm) : 200
Outer Diameter (mm) : 310
Width (mm) : 51
Bearing dimensions and specification in SKF catalogue:
d - 200 mm
D - 310 mm
B - 51 mm
d1 - - 238 mm
D1 - - 271 mm
a - 179 mm
h - 12.7 mm
b - 10.5 mm
r0 - 2 mm
r1,2 - min. - 2.1 mm
da - min. - 212 mm
Da - max. - 298 mm
ra - max. - 2 mm
Basic dynamic load rating - C - 390 kN
Basic static load rating - C0 - 620 kN
Fatigue load limit - Pu - 16.6 kN
Reference speed - 2000 r/min
Limiting speed - 3200 r/min
Calculation factor - ka - 0.8
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 - 15 kg
Ball Bearings from SKF USA Inc. on ThomasNet.c
The contact angle a is defined as the angle between the line joining the points of contact of the ball and the raceways in the radial plane, along which the load is transmitted from one raceway to another, and a line perpendicular to the bearing axis. SKF angular contact ball bearings are produced in a wide variety of designs and sizes. Less
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