This is a A-376669R91 Bearing Set, Main (.010", set of 4) PN: 376669R91Main Description As Following : A-376669R91 Bearing Set, Main (.010", set of 4) P.N: 376669R91 3.750" Thrust Brg Dia.Includes: 1-376670R91, 1-376673R91, 1-376676R91, 1-376679R91 Crossed From: MBK221-010 , Found in Section & Models : Engine Parts > C221 CID, Case-IH INDUSTRIAL/CONSTRUCTION: 2606 (SN <35093), Case-IH TRACTOR: 460 (SN <35093), Case-IH TRACTOR: 606 (SN <35093), Engine Parts > C263 CID, Case-IH TRACTOR: 560 (ENG SN <36693), Case-IH TRACTOR: 660 (ENG SN <38981), Engine Parts > D236 CID, Case-IH INDUSTRIAL/CONSTRUCTION: 2606 (ENG SN <13753), Case-IH TRACTOR: 460 (ENG SN 13754>), Case-IH TRACTOR: 460 (ENG SN- 10984-13753), Case-IH TRACTOR: 606 (ENG SN <13753), Engine Parts > D282 CID, Case-IH INDUSTRIAL/CONSTRUCTION: 2656 (ENG SN <44821), Case-IH INDUSTRIAL/CONSTRUCTION: 2706 (ENG SN <44821), Case-IH TRACTOR: 560 (ENG SN <44821), Case-IH TRACTOR: 560 (TR SN 6766 - 29264), Case-IH TRACTOR: 656 (ENG SN <44821), Case-IH TRACTOR: 660 (ENG SN <44821), Case-IH TRACTOR: 660 (TR SN 29265 - 40698), Case-IH TRACTOR: 660 (TR SN 4370 - 29264), Case-IH TRACTOR: 706 (ENG SN <44821) Associated Items : New Also A-IH-O-2606, A-IH-O-3121, A-IH-P-3082, A-IH-P-6062606, A-SMIH25, A-IH-P-6562656, A-IH-S-ENG460ETC, A-IH-S-ENG6CYLG, A-IH-S-HYDROTRN, A-IH-S-656CHASIS, A-IH-O-706, A-IH-O-706EARLY, A-IH-P-706, A-IH-S-ENGD155, A-IH-S-ENG460ETC, A-IH-S-ENG6CYLG, A-SMIH32, A-IH-C-MUSCLES, A-IH-O-340I3PT, A-IH-O-3402PT And : 3.750" Thrust Brg Dia. Includes: 1-376670R91, 1-376673R91, 1-376676R91, 1-376679R91