NSK 7304BWDB
Preload 
内径, d20 (0/-0.04) mm
外径, D52 (0/-0.075) mm
宽度, B (or T)30 (0/-0.63) mm
倒角, r min1.1 mm
倒角, r1 min0.6 mm
动负荷, Cr28200 N
静负荷, C0r19300 N
极限转速(油脂)7100 RPM
极限转速(油)10000 RPM
Duplex CombinationBack-to-Back
Load Center Spacing, a045.2 mm
Cage MaterialPressed Steel Cage
重量0.3 kg
da min27 mm
db minN/A
Da maxN/A
Db max47 mm
ra max1 mm
rb max0.6 mm
发布时间:2026-08-01

NSK7304BWDB角接触球轴承供应商

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