d - 12 mm
D - 18 mm
B - 4 mm
d1 - - 13.86 mm
D2 - - 16.7 mm
r1,2 - min. - 0.2 mm
da - min. - 13.5 mm
Da - max. - 17 mm
ra - max. - 0.2 mm
Basic dynamic load rating - C - 0.527 kN
Basic static load rating - C0 - 0.265 kN
Fatigue load limit - Pu - 0.011 kN
Reference speed - 75000 r/min
Limiting speed - 48000 r/min
Calculation factor - kr - 0.015
Calculation factor - f0 - 8.2
Mass bearing - 0.0027 kg
Hot number:NTN 7220 B IKO RNA 4908 NTN 30212 ISO 24144 K30CW33+AH24144 NTN 7226BDT SKF D/W R6-2RZ KOYO HC TRA0607 SKF NCF1844V INA NA6901 Timken RNAO60X78X20 INA KA-42CPO INA NX-35-Z SKF 214 SKF 45150 SKF 6328/HC5C3S0VA970
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