Steel Outer Metric Series Maintenance-Free Spherical Plain Bearings with Copper Alloy Inner

A Steel-on-Copper alloy Spherical Plain Bearing is one type of a maintenance-free SPB (others include Steel-on-PTFE materials and steel on bronze). The load ratings for Steel-on-Copper alloy are somewhere between Steel-on-Bronze and Steel-on-PTFE plastic. From a construction standpoint, AST’s Steel-on-Copper alloy spherical plain bearings are broken down.