Part Number 321-17421 having (CAGE Code S4964) and FSC 3120 Bearings Plain Unmounted in stock with ready to ship. Get an instant quote for 321-17421 Roller Linear Rotary Motion by Eiki Industrial Co Ltd. 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.