SF-2 Border Lubricating Bearing This product takes steel plate as the base.With the sintering of bronze powder in the middle layer and rolling of the modified POM at its surface.It has the characteristice of good.wear resistance high load capacity. It is suitable for conditions which do not promote the formation of oil film oscillating movments, high load/low speed frequent, stop start up under load. It was widly used in forging machine. Metallurgy&mining machine.hydroetectric industrial machine and ect.