OE No: 9009 Fits: 1952-56 K Model & 1957-72 Sportster *rear is set of 3 bearings
OE No: 9052 Fits: 1973-99 Sportster
OE No: 9267 Fits: 2000-07 Front & 2000-04 Rear Wheel with 3/4" Axle
OE No: 9247 Fits: 2005-07 Sportster Rear Wheel with 1" Axle
OE No: 9276 Fits: 2008-Present Sportster with 25mm Axle
OE No: 9252 Fits 2015-Present Sportster with ABS & 25mm Axle