This is a A-50X35 Sprocket PN: 50X35Main Description As Following : A-50X35 Sprocket P.N: 50X35 Hub Required: XInside Diameter: 2"Outside Diameter: 7.319"Teeth: 35 Crossed From: WSS105035 , , 20005035 , , 20005035 , , 3016-0206 , , 6713-52613 JOHN DAY Found in Section & Models : Tractor Parts Associated Items : New Also This is An Aftermarket Product And : Hub Required: X Inside Diameter: 2" Outside Diameter: 7.319" Teeth: 35