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The cause of the needle roller bearing is overheating

by：Waxing 2020-11-17

Jiaxing bearing manufacturing co. , LTD. , the cause of the needle roller bearing overheating: 1, the needle roller bearing and shaft neck joint uneven or interface is too small, per unit area than the pressure is too large, most of this kind of circumstance happening after the new machine commissioning or change into a new bearing shell. 2, needle roller bearing deflection or crankshaft bent, and twisted. 3, bearing quality is bad, the quality of lubricating oil, or oil plug. Gear oil pump oil pressure is too low, and oil supply disruptions, the four short of oil, dry friction. 4, needle roller bearings with sundry or lubricating oil too much, too dirty. 5, bearings with uneven excessive wear. 6, spindle and motor spindle coupling when installation without alignment, error is too big, caused two axis tilt. Sources: the list /? 3 _1. 超文本标记语言

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