Wheel Bushing / Gravely 011950Pack Size:1Ariens 09023500, Gravely 011950, Toro 68-8980Mow More WB8420, NHC 272-3161Ariens For front caster wheels, 40" and 50" decks; Gravely Front caster wheels, 40" and 50" decksID: 1/2 ", OD: 3/4 ", Length: 3 3/8 ", For front caster wheels