QA1 - WPB12TBearing (Wpb) Wide Ss Ht/ Ss Ht 3/4 PTFEWPB Series spherical bearings. Made from stainless steel with a bore size of 3/4". Includes PTFE race lining.QA1's WPB-T and WPB-TG Wide Stainless Steel Series spherical bearings are a precision grade...