Widely Fits: Wheel Bearing fit for Polaris Side by Side RZR/RANGER/BRUTUS, Polaris ATV Sportsman ( For specific model and year information, please refer to the table in the "product description"). Upgraded OEM Replacement:Replaces OE Part #s: 3514635 3585502, And dimensions: 40mm ID, 74mm OD, 40mm wide. Polaris wheel hubs lack of protection against water and mud due to the absence of oil seals,so our dedicated off-road wheel bearings feature a set of spring loaded dust seals which significantly increase the watertightness. Our bearings are packed with a heavy duty premium marine grease and an addition of a special complex thickeners which allows it to be virtually waterproof. It provides unsurpassed rust and corrosion protection. World-class Customer Service for 24*7 and100% satisfaction: Customers' satisfaction is what we pursuit,our products have passed test and they must go through three strict quality inspections before shipment,we ensure it fit your Polaris UTV perfectly. Besides, we provide lifetime warranty for this product quality. Widely Fits: Wheel Bearing fit for Polaris Sportsman/RZR/RANGER/BRUTUS ( for more models, please check out our complete model list in the product description below).