This is a A-MB248-20 Bearing Set, Main (.020", set of 3) PN: MB248-20Main Description As Following : A-MB248-20 Bearing Set, Main (.020", set of 3) P.N: MB248-20 Includes: 2-377982R11 & 1-377983R11 Crossed From: MBK248-020 , , 241319 , Found in Section & Models : Engine Parts > C248 CID, Case-IH TRACTOR: M (SN <278049), Case-IH TRACTOR: MV (SN <278049), Case-IH TRACTOR: OS6 (SN <35463), Case-IH TRACTOR: O6 (SN <35463), Case-IH TRACTOR: W6 (SN <35463) Associated Items : New Also A-FRM-IHOL, A-IH-C-DOMGENCAT, A-IH-C-HMMD, A-IH-C-MUSCLES, A-IH-C-1936FULL, A-IH-O-HLDRBLD, A-IH-O-HMATTCH, A-IH-O-HYDRLIFT, A-IH-O-MMV, A-IH-O-MMV45, A-IH-O-MMV47, A-IH-O-MMV52, A-IH-O-M1939, A-IH-O-M1949, A-IH-O-STANDLITES, A-IH-O-TRACATCH, A-IH-OP-M1940, A-IH-P-ABHMIM, A-IH-P-ACCESSORY, A-IH-P-HAYMAHNS And : Includes: 2-377982R11 & 1-377983R11