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JDB650 CASTING BUSHING SLEEVE BUSHING DB CSB COB

WZB-4  Graphite-impregnated bronze bearings are customer-specified products. In many cases, previously using 5-5-5 bronze which does not possess self-lubricating property, if lubrication becomes insufficient, will result in binding and failure of the bearing. WZB-4 was developed to solve this problem. By impregnating graphite in certain designed pattern into working surface of the bearing, the product can operate in dry conditions through the mechanism of solid lubrication. JDB-7 can be used in high temperature environments, such as hot steam rolling equipment, paper making machineries, etc.

Basic material

CuZn25A16Fe3Mn3

Dynanic load

120N/mm²

Base hardness

HB210~275

Friction Coef

<0.16

Temperature Max

300℃

Speed limit

dry 0.4m/s oil 5m/s

 

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