Angular contact ball bearings, super-precision 71952 ACD/P4AL
Bearing number : 71952 ACD/P4AL
Size (mm) : 260x360x46
Brand : SKF
Bore Diameter (mm) : 260
Outer Diameter (mm) : 360
Width (mm) : 46
Bearing dimensions and specification in SKF catalogue:
d - 260 mm
D - 360 mm
B - 46 mm
d1 - 291.8 mm
d2 - 291.8 mm
D1 - 328.2 mm
b - 4 mm
C1 - 24.9 mm
C2 - 7.1 mm
C3 - 6.7 mm
r1,2 - min. - 2.1 mm
r3,4 - min. - 1.1 mm
a - 95.5 mm
da - min. - 271 mm
db - min. - 271 mm
Da - max. - 349 mm
Db - max. - 354 mm
ra - max. - 2 mm
rb - max. - 1 mm
dn - 299.7 mm
Basic dynamic load rating - C - 265 kN
Basic static load rating - C0 - 400 kN
Fatigue load limit - Pu - 9.6 kN
Limiting speed for grease lubrication - 2800 r/min
Limiting speed for oil lubrication - 4300 mm/min
Ball - Dw - 30.162 mm
Ball - z - 29
Gref - 150 cm3
Calculation factor - e - 0.68
Calculation factor - Y2 - 0.87
Calculation factor - Y0 - 0.38
Calculation factor - X2 - 0.41
Calculation factor - Y1 - 0.92
Calculation factor - Y2 - 1.41
Calculation factor - Y0 - 0.76
Calculation factor - X2 - 0.67
Preload class A - GA - 1650 N
Preload class B - GB - 3300 N
Preload class C - GC - 6600 N
Preload class D - GD - 13200 N
Calculation factor - f - 1.24
Calculation factor - f1 - 0.98
Calculation factor - f2A - 1
Calculation factor - f2B - 1.04
Calculation factor - f2C - 1.08
Calculation factor - f2D - 1.14
Calculation factor - fHC - 1
Preload class A - 616 N/micron
Preload class B - 807 N/micron
Preload class C - 1071 N/micron
Preload class D - 1455 N/micron
Mass bearing - 12.2 kg
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