Brand new ROYAL BIKE CRANK CASE DRIVE SIDE ROLLER BEARING. The bearing is manufactured in India by a reputed company. This will replace your worn out drive side roller bearing NU305. This can be fitted to all models of Royal bikes. If you are looking for other Crank case bearings, please have look in store. SUITABLE FOR :- - Bullet 350cc 1977-2007 500cc 1989-2007 Electric Start 500cc Electra 500cc 2004-2008 Thunderbird 350cc 2003-2008 Electra EFI 2008-2012 Classic 500cc 2009-ON Bullet EFI 2011-ON Will replace PART NUMBER :- 111887