Angular contact ball bearings, super-precision 7207 CD/HCP4A
Bearing number : 7207 CD/HCP4A
Size (mm) : 35x72x17
Brand : SKF
Bore Diameter (mm) : 35
Outer Diameter (mm) : 72
Width (mm) : 17
Bearing dimensions and specification in SKF catalogue:
d - 35 mm
D - 72 mm
B - 17 mm
d1 - 46.8 mm
d2 - 46.8 mm
D1 - 60.2 mm
r1,2 - min. - 1.1 mm
r3,4 - min. - 0.3 mm
a - 15.7 mm
da - min. - 42 mm
db - min. - 42 mm
Da - max. - 65 mm
Db - max. - 69.6 mm
ra - max. - 1 mm
rb - max. - 0.3 mm
dn - 49.7 mm
Basic dynamic load rating - C - 31.9 kN
Basic static load rating - C0 - 21.6 kN
Fatigue load limit - Pu - 0.915 kN
Limiting speed for grease lubrication - 26000 r/min
Limiting speed for oil lubrication - 38000 mm/min
Ball - Dw - 11.112 mm
Ball - z - 13
Gref - 3.903 cm3
Calculation factor - f0 - 13.9
Preload class A - GA - 120 N
Preload class B - GB - 240 N
Preload class C - GC - 480 N
Preload class D - GD - 960 N
Calculation factor - f - 1.05
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.01
Calculation factor - f2C - 1.03
Calculation factor - f2D - 1.06
Calculation factor - fHC - 1.01
Preload class A - 55 N/micron
Preload class B - 75 N/micron
Preload class C - 104 N/micron
Preload class D - 151 N/micron
Mass bearing - 0.241 kg
Bearing ID AFBMA - Nid
50BC02 - Single row, radial, non-filling slot ball bearing with 50 mm bore and a 6200 series O.D. and width. The SKF number would be 6210. 75BC03XP - Single row, radial, non-filling slot ball bearing with 75 mm bore, a 6300 series O.D. and width, manufacturer's standard bearing cage and one shield. The SKF number would be 63152.
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