d - 4 mm
D - 11 mm
B - 4 mm
C - 4 mm
d1 - – mm
d2 - 5,6 mm
r1 min. - 0,15 mm
r2 min. - 0,15 mm
D1 - 9 mm
D2 - 9,9 mm
da min. - 5,2 mm
Da max. - 10 mm
ra max. - 0,15 mm
Weight - 0,002 Kg
Basic dynamic load rating (C) - 0,54 kN
Basic static load rating (C0) - 0,176 kN
Fatigue load limit (Pu) - 0,008
Reference speed - 130000 r/min
Limiting speed - 80000 r/min
Calculation factor (f0) - 6,4
Calculation factor (kr) - 0,025
Hot number:NTN 7230 C/DT NACHI NJ211+HJ211 OKB 1303A OKB 672764Y NSK 6214DDU NACHI NF 1007 CX NJ3215 AST NK55/25 NSK WJ-323820 KOYO UCIP209 FAG 30209 SKF 3918 SKF 5309-ZZ MRC 6008-RS IKO NK-19/16
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