2 BOLT FLANGE BEARING, BACK SIDE TO CENTER WIDTH 0.562 IN, BEARING INSERT MATERIAL ALLOY STEEL, BEARING INSERT TYPE RADIAL BALL, BORE DIAMETER 1/2 IN, BORE TYPE CYLINDRICAL, CENTER HEIGHT 1 3/16 IN, CLOSURE SINGLE SEALED, EXPANSION TYPE FIXED, FOR ENVIRONMENT HIGHLY DUSTY AND DIRTY, HOUSING MATERIAL CAST IRON, HOUSING TYPE RHOMBUS, INCLUDED BEARING WJB UC201-8 INSERT BEARING, LUBRICANT MATERIAL CHEVRON SRI 2, NLGI #2 EQUIVALENT, MAXIMUM SPEED 7,3