Angular contact ball bearings, super-precision 71910 ACD/P4A
Bearing number : 71910 ACD/P4A
Size (mm) : 50x72x12
Brand : SKF
Bore Diameter (mm) : 50
Outer Diameter (mm) : 72
Width (mm) : 12
Bearing dimensions and specification in SKF catalogue:
d - 50 mm
D - 72 mm
B - 12 mm
d1 - 57.1 mm
d2 - 57.1 mm
D1 - 64.9 mm
r1,2 - min. - 0.6 mm
r3,4 - min. - 0.3 mm
a - 20.3 mm
da - min. - 53.2 mm
db - min. - 53.2 mm
Da - max. - 68.8 mm
Db - max. - 70.6 mm
ra - max. - 0.6 mm
rb - max. - 0.3 mm
dn - 58.7 mm
Basic dynamic load rating - C - 12.7 kN
Basic static load rating - C0 - 9.8 kN
Fatigue load limit - Pu - 0.415 kN
Limiting speed for grease lubrication - 16000 r/min
Limiting speed for oil lubrication - 26000 mm/min
Ball - Dw - 6.35 mm
Ball - z - 25
Gref - 1.74 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 - 80 N
Preload class B - GB - 160 N
Preload class C - GC - 320 N
Preload class D - GD - 640 N
Calculation factor - f - 1.13
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 - 105 N/micron
Preload class B - 137 N/micron
Preload class C - 180 N/micron
Preload class D - 240 N/micron
Mass bearing - 0.13 kg
SKF 71910 acdga/p4a bearing suppliers - goptc.o
SKF 71910 acdga/p4a bearing suppliers|SKF 71910 acdga/p4a in Oman. Principles of bearing selection and application 8 Angular contact. Double direction angular contact thrust ball bearings 214. Single direction Today, SKF has some 40 000 employees and around.. 72 ACD. A. 25. 30. 120 combined. P4A. 1,5. 72 CX. A. 15.
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