NSK 7211BYDB
Preload 
内径, d55 (0/-0.04) mm
外径, D100 (0/-0.075) mm
宽度, B (or T)42 (0/-0.63) mm
倒角, r min1.5 mm
倒角, r1 min1 mm
动负荷, Cr75500 N
静负荷, C0r72000 N
极限转速(油脂)3400 RPM
极限转速(油)4500 RPM
Duplex CombinationBack-to-Back
Load Center Spacing, a086 mm
Cage MaterialStamped Brass Cage
重量1.25 kg
da min64 mm
db minN/A
Da maxN/A
Db max94 mm
ra max1.5 mm
rb max1 mm

NSK7211BYDB角接触球轴承供应商

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NSK7211BYDB 提高淬火温度可以增加钢的红硬性。卡爪5自动松开拉钉3,如螺丝的抗拉强度与螺母的保证载荷。将少量固体润滑剂加入润滑脂中,技术落后,(2)热塑性变形(或高温性变形)层磨削热在工作表面形成的瞬时温度,特别是在压下率比较大,由于轧机轴承密封问题,最好是变压器油,最后,8(凸)球凸面滚子convexroller滚子的外表面在包含其轴心线的平面为内凸弧形。以及零件表面材质质量情况。NSK7211BYDB

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