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NSK NF221W

NSK NF221W
Preload  
内径, d 105 (0/-0.04) mm
外径, D 190 (0/-0.075) mm
宽度, B (or T) 36 (0/-0.4) mm
倒角, r 2.1 mm
倒角, r1 2.1 mm
Ew 169 mm
动负 , Cr 201000 N
静负 , C0r 241000 N
极限 3400 RPM
极限 4000 RPM
Cage Material Pressed Steel
da min 116 mm
Da max 179 mm
Db max 179 mm
Db min 172 mm
ra max 2 mm
rb max 2 mm
重量 4.07 kg

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