Deck Roller / Troy-Bilt 1765851Pack Size:1Troy-Bilt 1765851NHC 225-1399Troy Bilt 14023, 14024, 14025, 14026 and 14061 side discharge center mount garden tractorsBore: 3/4 ", Tread: Smooth, Wheel Size: 2 1/2, Hub: 4 3/16 "