This is a A-278927A1 Bearing, Jackshaft Thrust PN: 278927A1Main Description As Following : A-278927A1 Bearing, Jackshaft Thrust P.N: 278927A1 Inside Diameter: 2.750"Outside Diameter: 4.481"Replaces: 194654C91Thickness: .88" Crossed From: WN-278927A1 , , WN278927A1 , , 194654C91 CASE-IH Found in Section & Models : Threshing Area > Threshing: Sprockets, Sheaves, Hubs, Case-IH COMBINE: 1420, Case-IH COMBINE: 1440, Case-IH COMBINE: 1460, Case-IH COMBINE: 1470, Case-IH COMBINE: 1480, Case-IH COMBINE: 1620, Case-IH COMBINE: 1640, Case-IH COMBINE: 1644, Case-IH COMBINE: 1660, Case-IH COMBINE: 1666, Case-IH COMBINE: 1670, Case-IH COMBINE: 1680, Case-IH COMBINE: 1688, Case-IH COMBINE: 2144, Case-IH COMBINE: 2166, Case-IH COMBINE: 2188, Case-IH COMBINE: 2344, Case-IH COMBINE: 2366, Case-IH COMBINE: 2377, Case-IH COMBINE: 2388 Associated Items : New Also This is An Aftermarket Product And : Inside Diameter: 2.750" Outside Diameter: 4.481" Replaces: 194654C91 Thickness: .88"