Angular contact ball bearings, four-point contact ball bearings QJ 344 N2MA
Bearing number : QJ 344 N2MA
Size (mm) : 220x460x88
Brand : SKF
Bore Diameter (mm) : 220
Outer Diameter (mm) : 460
Width (mm) : 88
Bearing dimensions and specification in SKF catalogue:
d - 220 mm
D - 460 mm
B - 88 mm
d1 - - 308 mm
D1 - - 372 mm
a - 238 mm
h - 15 mm
b - 12.5 mm
r0 - 2.5 mm
r1,2 - min. - 5 mm
da - min. - 242 mm
Da - max. - 438 mm
ra - max. - 4 mm
Basic dynamic load rating - C - 780 kN
Basic static load rating - C0 - 1400 kN
Fatigue load limit - Pu - 32 kN
Reference speed - 1500 r/min
Limiting speed - 2400 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 - 78 kg
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SKF QJ344N2MA bearing. SKF QJ344N2MA, Size: SKF QJ344N2MA bearing, Size: 220x460x88. SKF QJ344N2MA are used in a wide variety of applications, they are simple in design, suitable for high speeds and are robust in operation, and need little maintenance.
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