Angular contact ball bearings, super-precision 71801 ACD/HCP4
Bearing number : 71801 ACD/HCP4
Size (mm) : 12x21x5
Brand : SKF
Bore Diameter (mm) : 12
Outer Diameter (mm) : 21
Width (mm) : 5
Bearing dimensions and specification in SKF catalogue:
d - 12 mm
D - 21 mm
B - 5 mm
d1 - 15.1 mm
d2 - 15.1 mm
D1 - 18.1 mm
r1,2 - min. - 0.3 mm
r3,4 - min. - 0.15 mm
a - 6.4 mm
da - min. - 14 mm
db - min. - 14 mm
Da - max. - 19 mm
Db - max. - 20.2 mm
ra - max. - 0.3 mm
rb - max. - 0.15 mm
dn - 15.4 mm
Basic dynamic load rating - C - 2 kN
Basic static load rating - C0 - 1.1 kN
Fatigue load limit - Pu - 0.048 kN
Limiting speed for grease lubrication - 75000 r/min
Limiting speed for oil lubrication - 110000 mm/min
Ball - Dw - 2.381 mm
Ball - z - 14
Gref - 0.07 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 - 17 N
Preload class B - GB - 53 N
Preload class C - GC - 105 N
Calculation factor - f - 1.06
Calculation factor - f1 - 0.97
Calculation factor - f2A - 1
Calculation factor - f2B - 1.09
Calculation factor - f2C - 1.17
Calculation factor - fHC - 1.02
Preload class A - 38 N/micron
Preload class B - 59 N/micron
Preload class C - 80 N/micron
Mass bearing - 0.006 kg
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American Roller Bearing AM Andrews Bearing Corp. AND Fafnir Bearing Co. FAF FAG FAG INA INA MRC Bearings MRC Manufacturer Abbreviation New Departure Hyatt NDH Norma-Hoffman NH Ransome Hoffman Pollard LTD RHP Rollway Bearings RWY SKF Bearings SKF The Torrington Company TOR SERIES PAGE SERIES PAGE SERIES PAGE CT 44 RN-1000 7-11 RU-5300 7-10