d - 45 mm
D - 68 mm
B - 12 mm
d1 - 53.45 mm
d2 - 52.4 mm
D2 - 61.8 mm
r1,2 - min. - 0.6 mm
r3,4 - min. - 0.3 mm
a - 16.1 mm
da - min. - 48.2 mm
db - min. - 48.2 mm
Da - max. - 64.8 mm
Db - max. - 66 mm
ra - max. - 0.6 mm
rb - max. - 0.3 mm
dn - 54.2 mm
Basic dynamic load rating - C - 7.4 kN
Basic static load rating - C0 - 5.7 kN
Fatigue load limit - Pu - 0.245 kN
Limiting speed for grease lubrication - 28000 r/min
Limiting speed for oil lubrication - 43000 mm/min
Ball - Dw - 4.762 mm
Ball - z - 27
Gref - 1.75 cm3
Calculation factor - f0 - 9.7
Preload class A - GA - 24 N
Preload class B - GB - 48 N
Preload class C - GC - 145 N
Calculation factor - f - 1.08
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.02
Calculation factor - f2C - 1.07
Calculation factor - fHC - 1
Preload class A - 28 N/micron
Preload class B - 37 N/micron
Preload class C - 60 N/micron
Mass bearing - 0.132 kg
Hot number:KOYO 1301 NACHI 3210 A FAG 23260 CACK/W33 FAG 23084 CACK/W33+H 3084 SKF M 239448 A/410 OKB 2222E OKB 7E32317 Timken 212KG FAG 239/630-B-K-MB+H39/630 ISB 608-Z ISO 61817-2RS LS GEH710HF/Q Hyatt 94116 SKF KC-50CPO NOK SPGC-260
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