d - 50 mm
D - 72 mm
B - 12 mm
d1 - 57.95 mm
d2 - 56.9 mm
D2 - 66.04 mm
r1,2 - min. - 0.6 mm
r3,4 - min. - 0.3 mm
a - 23.2 mm
da - min. - 53.2 mm
db - min. - 53.2 mm
Da - max. - 68.8 mm
Db - max. - 70 mm
ra - max. - 0.6 mm
rb - max. - 0.3 mm
dn - 58.7 mm
Basic dynamic load rating - C - 7.3 kN
Basic static load rating - C0 - 5.8 kN
Fatigue load limit - Pu - 0.25 kN
Limiting speed for grease lubrication - 28000 r/min
Limiting speed for oil lubrication - 43000 mm/min
Ball - Dw - 4.762 mm
Ball - z - 29
Gref - 1.89 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 - 43 N
Preload class B - GB - 86 N
Preload class C - GC - 260 N
Calculation factor - f - 1.09
Calculation factor - f1 - 0.99
Calculation factor - f2A - 1
Calculation factor - f2B - 1.02
Calculation factor - f2C - 1.08
Calculation factor - fHC - 1.01
Preload class A - 89 N/micron
Preload class B - 114 N/micron
Preload class C - 172 N/micron
Mass bearing - 0.126 kg
Hot number:OKB 2840800 OKB 2097932 SKF 212-Z ISB GE 22 SB SNFA HB55 /S/NS 7CE1 INA PCJT1 FAG SAB35 NICE 1620-ZZ RIV 51260 Hyatt 93540 NSK KG-75CPO Torrington RNA-6911 SKF D/W R1 SKF 6218-Z NOK OUIS 120 105 9 標準
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