This listing is for one bearing and cup for Alamo / Servis Rhino brand gearboxes code 00770725. The bearing is commonly used on the larger batwing mower gearboxes for the last 15 years or so. This bearing measurers 55mm bore X 100mm OD X 35mm deep We sell many mower parts at very competitive pricing. 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. Part Number:00770725 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.