hardness of bronze alloy: 70-100HB,

hardness of mating surface: 53HRC,

heat Treatment : Vacuumed or high frequency, carburizing.

        1. Bimetallic self-lubricating bearing used high quality low-carbon steel plate as base, sintered porous bronze as its surface, suitable for rotatory oscillating, reciprocating movements on the conditions of high load, low speed, low friction, well wear resistance, long lifetime and better prevent from holding-on.
2. The bronze layer surface can be machined with various of grooves, oil pockets in terms of different work condition.
3. The product is widely used in mining machinery, automobile, building machinery, agriculture equipment, rolling steel industry etc.