Ball bearing - 5257284-01Spare part from the Husqvarna spare parts catalogSuitable for example for: Husqvarna 122HD45 Husqvarna 122HD60 Husqvarna 322HD60 Husqvarna 522HD60S Husqvarna 522HD60X Husqvarna 522HDR60S Husqvarna 522HDR60X Husqvarna 522HDR75S Husqvarna 522HDR75X