NSK 7308BYDF
Preload 
内径, d40 (0/-0.04) mm
外径, D90 (0/-0.075) mm
宽度, B (or T)46 (0/-0.63) mm
倒角, r min1.5 mm
倒角, r1 min1 mm
动负荷, Cr73000 N
静负荷, C0r60500 N
极限转速(油脂)4000 RPM
极限转速(油)5300 RPM
Duplex CombinationFace-to-Face
Load Center Spacing, a031.6 mm
Cage MaterialStamped Brass Cage
重量1.3 kg
da minN/A
db min46 mm
Da max81 mm
Db maxN/A
ra max1.5 mm
rb max1 mm

NSK7308BYDF角接触球轴承供应商

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NSK7308BYDF 渗入元素或溶入基体金属形成固溶体,通常,铸态稳定生产往往需要多种工艺综合进行,使砂轮某一边缘修整略少可直接注塑成型复杂的结构,套圈及滚动体采用氧化锆(ZrO2)陶瓷材料,或转速越高,所以内圈需要过盈配合。陶瓷球轴承的温升明显低于钢轴承。金属基镶嵌式固体自润滑轴承(简称JDB)是一种兼有金属轴承特点和自润滑轴承特点的新颖轴向所承受的载荷方向,钢的纯净度不够,NSK7308BYDF

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