Part Number 4821 having (CAGE Code 76528) and FSC 3120 Bearings Plain Unmounted in stock with ready to ship. Get an instant quote for 4821 Bearing Sleeve by Moffitt Lucian Q Inc Sub Of The. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.