NSK 7311BWDB
Preload 
内径, d55 (0/-0.04) mm
外径, D120 (0/-0.075) mm
宽度, B (or T)58 (0/-0.63) mm
倒角, r min2 mm
倒角, r1 min1 mm
动负荷, Cr128000 N
静负荷, C0r113000 N
极限转速(油脂)3000 RPM
极限转速(油)4000 RPM
Duplex CombinationBack-to-Back
Load Center Spacing, a0102 mm
Cage MaterialPressed Steel Cage
重量2.9 kg
da min65 mm
db minN/A
Da maxN/A
Db max114 mm
ra max2 mm
rb max1 mm
发布时间:2026-05-03

NSK7311BWDB角接触球轴承供应商

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