This bearing replaces: Polaris 3514303, 3514305, 3514308 & 3514309. This bearing fits many polaris snowmobile idler wheels. Please check your application to make sure of fitment.
This bearing has an inner diameter of 25mm an outer diameter of 52mm and a width of 15mm; it comes pre-lubricated and has rubber seals on each side of the bearing; it meets or exceeds the oem bearings in quality.