Angular contact ball bearings, super-precision S71910 CD/P4A
Bearing number : S71910 CD/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
D2 - 67.12 mm
r1,2 - min. - 0.6 mm
r3,4 - min. - 0.3 mm
a - 14.2 mm
da - min. - 53.2 mm
da - max. - 56.6 mm
db - min. - 53.2 mm
db - max. - 56.6 mm
Da - max. - 68.8 mm
Db - max. - 70.6 mm
ra - max. - 0.6 mm
rb - max. - 0.3 mm
Basic dynamic load rating - C - 13.5 kN
Basic static load rating - C0 - 10.4 kN
Fatigue load limit - Pu - 0.44 kN
Limiting speed for grease lubrication - 17000 r/min
Ball - Dw - 6.35 mm
Ball - z - 25
Calculation factor - f0 - 10.7
Preload class A - GA - 50 N
Preload class B - GB - 100 N
Preload class C - GC - 200 N
Preload class D - GD - 400 N
Calculation factor - f - 1.13
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.04
Calculation factor - f2C - 1.09
Calculation factor - f2D - 1.15
Calculation factor - fHC - 1
Preload class A - 43 N/micron
Preload class B - 57 N/micron
Preload class C - 78 N/micron
Preload class D - 110 N/micron
Mass bearing - 0.136 kg
BEARINGS - UNUSED - Casey U
Casey sells NOS (New Old Stock) bearings that have not yet been placed in service. The majority were purchased as spares for mill applications and are in the original protective packaging. They are identified by the original manufacturer's part number and are available for immediate shipment.
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