Part Number R20508 having (CAGE Code 83120) and FSC 2920 Engine Electrical System Components, Nonaircraft in stock with ready to ship. Get an instant quote for R20508 Retainer Bearing by Pressed Metals Of America Inc. 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.