Part Number 61BG having (CAGE Code 72547) and FSC 3040 Miscellaneous Power Transmission Equipment in stock with ready to ship. Get an instant quote for 61BG Adjusting Device Belt Chain Tens by Detroit Ball Bearing Co Of Michigan. 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.