d - 6.35 mm
D - 12.7 mm
B - 4.762 mm
d2 - - 7.4 mm
D2 - - 11.6 mm
r1,2 - min. - 0.15 mm
da - min. - mm
Da - max. - mm
ra - max. - 0.15 mm
Basic dynamic load rating - C - 0.618 kN
Basic static load rating - C0 - 0.224 kN
Fatigue load limit - Pu - 0.01 kN
Limiting speed - 30000 r/min
Calculation factor - kr - 0.02
Calculation factor - f0 - 7
Mass bearing - 0.002 kg
Hot number:NTN 7221 C KOYO 3308 A-Z SNR 1222K Timken 150RF02 NSK 462/453X KOYO 46T32311JR/76 SNR 7321BGM KOYO AXK3552 NSK B16-8C4 CRAFT NA6902-2RS AST SMR95 KAYDON KA-75XPO INA LR-5308-2RS SKF OKBS 64 NTN 61903 N
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