NSK HR303/28C
内径, d28 (0/-0.008) mm
外径, D68 (0/-0.011) mm
宽度, B (or T)19.75 (0.2/0) mm
Cone 宽度, B18 mm
Cup 宽度, C14 mm
Cone 倒角, r1.5 mm
Cup 倒角, r1.5 mm
Effective Load Center, a17.4 mm
动负荷, Cr49500 N
静负荷, C0r50500 N
极限转速(油脂)5600 RPM
极限转速(油)7500 RPM
Cage MaterialPressed Steel
da min39 mm
db max38 mm
Da max59 mm
Da min57 mm
Db min64 mm
Sa min3 mm
Sb min5.5 mm
Shaft ra max1 mm
Housing ra max1 mm
重量0.335 kg
发布时间:2026-06-16

NSKHR303/28C圆锥滚子轴承供应商

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