Rotary 8507 Ball Bearing Replaces: Ariens: 05418800 AYP/Roper/Sears: 110485X, 532110485 Bearing: 6203-2RS, 6203LU Husqvarna: 532 11 04-85 John Deere: GX20818 MTD: 741-0600, 9410600 Toro: 100-1048, 109966, 112-0423, 251-277, 38-7820 ID 21/32"; OD 1-9/16"; Height 15/32"