d - 70 mm
D - 180 mm
B - 40 mm
d1 - - 111.76 mm
d2 - - 91.03 mm
D1 - - 140.45 mm
a - 74 mm
r1,2 - min. - 3 mm
r3,4 - min. - 3 mm
da - min. - 84 mm
Da - max. - 188 mm
Db - max. - 144.5 mm
ra - max. - 2 mm
rb - max. - 2 mm
Basic dynamic load rating - C - 159 kN
Basic static load rating - C0 - 127 kN
Fatigue load limit - Pu - 4.8 kN
Reference speed - 4500 r/min
Limiting speed - 4800 r/min
Calculation factor - kr - 0.1
Calculation factor - ka - 1.6
Calculation factor - e - 1.14
Calculation factor - X - 0.57
Calculation factor - Y0 - 0.52
Calculation factor - Y1 - 0.55
Calculation factor - Y2 - 0.93
Calculation factor - X - 0.35
Calculation factor - Y0 - 0.26
Calculation factor - Y1 -
Calculation factor - Y2 - 0.57
Mass bearing - 5.8 kg
Hot number:KOYO NJ 2230 E TIMKEN 30221 OKB 3282120K KOYO 52418 AST ASTEPB 1618-12 ISB RU 297 Samick SC8-B INA SL182226 MRC 7208-D SKF 32915 SKF 7000 ACE/HCP4AH SKF S7004 CD/HCP4A SKF YSPAG 210 TORRINGTON FAFNIR 6305-2Z NOK ISI 180 165 9 耐熱
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