... -aligning ball bearings. They are manufactured from high-strength cast iron as standard but are also available in cast steel or ... spheroidal graphite cast iron. The housings have a re-lubrication facility and can be ... , cylindrical roller bearing8, thrust roller bearing9, needle roller bearing10, pillow block bearing11, insert bearing12, SKF, NSK, NTN,HRB,ZWZ,KOYO,IKO ...