d - 60 mm
D - 78 mm
B - 10 mm
d1 - 65.7 mm
d2 - 65.7 mm
D1 - 72.5 mm
r1,2 - min. - 0.3 mm
r3,4 - min. - 0.15 mm
a - 21.1 mm
da - min. - 62 mm
db - min. - 62 mm
Da - max. - 76 mm
Db - max. - 77.2 mm
ra - max. - 0.3 mm
rb - max. - 0.15 mm
dn - 66.4 mm
Basic dynamic load rating - C - 12.7 kN
Basic static load rating - C0 - 13.4 kN
Fatigue load limit - Pu - 0.57 kN
Limiting speed for grease lubrication - 18000 r/min
Limiting speed for oil lubrication - 26000 mm/min
Ball - Dw - 5.556 mm
Ball - z - 28
Gref - 1.2 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 - 114 N
Preload class B - GB - 340 N
Preload class C - GC - 680 N
Calculation factor - f - 1.3
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 - 156 N/micron
Preload class B - 247 N/micron
Preload class C - 340 N/micron
Mass bearing - 0.088 kg
Hot number:KOYO 6221-2RS SKF 22309 CCK/W33 NTN 51326 NSK NJ 2309 INA IR50X60X28 NSK N 324 OKB 160504EK INA BXRE004 NACHI N 312 SKF NA4926 STEYR QJ-216 MRC 103-KRD SKF 3210 A-2Z SKF NU 316 ECJ NOK VC 10 20 4 NBR
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