Fits: Husqvarna 50, 51, 55, 55 Rancher, 154, 254( before S/N 345-0001 ),
262( before S/N 345-0001 )
Jonsered 490, 590
Partner P400, P500, P5000, P5100
*Does not include bearing
Bearing #ORE11893 (Click on the link below for replacement parts)
Rim #ORE68210
Pitch/Teeth: 3/8"-7