NSK 7221BWG
Preload 
内径, d105 (0/-0.04) mm
外径, D190 (0/-0.075) mm
宽度, B (or T)36 (0/-0.4) mm
倒角, r min2.1 mm
倒角, r1 min1.1 mm
动负荷, Cr142000 N
静负荷, C0r129000 N
极限转速(油脂)2130 RPM
极限转速(油)2930 RPM
Flush GroundYes
Effective Load Center, a79.9 mm
Cage MaterialPressed Steel Cage
重量3.92 kg
da min117 mm
db min112 mm
Da max178 mm
Db max183 mm
ra max2 mm
rb max1 mm
发布时间:2026-05-03

NSK7221BWG角接触球轴承供应商

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