PB16 Spherical Plain Bearing 16x38x15/21mm BushingPB16 Spherical Plain Bearing with Copper Alloy Bushing 16mm ID 38mm OD, Split Width Inner and Outer Rings The PB16 spherical plain bearing is built to handle oscillating or misaligned motion under heavy loads. With a copper alloy bushing between the inner and outer rings, it's ideal for pivoting joints, suspension systems, and linkage setups that see constant movement under stress. Size: 16mm ID x 38mm OD Inner ring width: 21mm Outer ring width: 15mm