Part Number 50X87 having (CAGE Code 0JF20) and FSC 3020 Gear Pulley Sprocket and Transmission Chain in stock with ready to ship. Get an instant quote for 50X87 Chain Roller by Mc Keon Rolling Steel Door Co 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.