2 bearings original FAG for the auxiliary shaft at the G40 and G60 supercharger. During an overhaul, these bearings should definitely be changed! Often supercharger damage is due to defective auxiliary shaft bearings, because some tuners make it easy and do not renew them because of time! Manufacturer Information about the manufacturer BAR-TEK BAR-TEK Motorsport GmbH Im Rauschen Auel 3, 51491 Overath-Brombach, Germany info@bar-tek.com