One input bearing and race World Agritech Rotary Cutter gearboxes, code 04-007 and 04-008 used on several mower gearboxes. See positions 9 10 in the exploded view! Fits gearboxes used on IM500H, IM602-75, IM600HD, Super 11 (Early models with 6 spline input shafts) IM700H Early Models with Omni Gearbox Bearing / Cup specifications: 1.7812" X 3.0625" X 0.7812" We sell all of the replacement parts for most rotary cutters. If you don't see the parts you need listed please contact us we would love to earn your business. We are listing new items frequently so please check our store often.04-007 & 04-008 We stock a wide variety of replacement parts for Agricultural Equipment please contact us if you have any questions or if you would like more information.