1.True concentric lock. 2) 360 degree shaft contact. 3) Easy installation. 4) Chrome steel or Stainless stee SpecificationsPillow block bearing, spherical outside surface(the UC and UK series),stainless steel,category seven and deep-groove ball.Pillow block bearingWS/XLD PRODUCING INSERTBEARINGS UC203 TO UC218UC305-UC328 WITH P,FL,PA,THOUSINGS. Unit No.shaft DiammDimensions mmBolt Used mmBearing ...