Specifications:

　　1、Material: both inside and outside the circle of stainless steel.

　　2、Heat treatment quenching: inner ring.

　　3、Structure: product extrusion without oil tank oil hole.

　　4、Both inside and outside the circle of the middle layer of PTFE sintered copper network.

　　5、Performance characteristic: has the corrosion resistance, self lubrication, self-aligning features, suitable for low speed, heavy load, moisture-proof anticorrosive mechanism.