The specification of Inch tapered roller bearings is as follows,344A/322-399/394A,418/414-495A/493,527A/522-599X/593X,615/612-683/672,749/742-787/772,14117/274-14125A/276,15101/245-15579/15520,21075/212,24780/20,25570/20-25878/20,26881/20-29685/20,L44643/10-L68149/10,LM48548/10-LM603049,HM81649/10-HM88649/10,JM716649/10,LM78349/10 an so on.If you are interested in our products,donot hesitate to tell me.We can supply you bearings with good quality and competitive price.