This is a A-500019940 Bearing, Trans Release (sealed) PN: 500019940Main Description As Following : A-500019940 Bearing, Trans Release (sealed) P.N: 500019940 Fits models using a N1585 Release BrgInside Diameter: 2.50"Outside Diameter: 4.125"Replaces: D8NN7580AA, D8NN7580BAWidth: .870" Stocked As: A-N1585 Found in Section & Models : Clutch Parts > Double Clutch, Tafe TRACTOR: 25, Tafe TRACTOR: 25 DI, Tafe TRACTOR: 35, Tafe TRACTOR: 35 DI, Tafe TRACTOR: 45, Tafe TRACTOR: 45 DI Associated Items : New Also This is An Aftermarket Product And : Fits models using a N1585 Release Brg Inside Diameter: 2.50" Outside Diameter: 4.125" Replaces: D8NN7580AA, D8NN7580BA Width: .870"