Polaris RZR 800 and RZR S 800 Front & Rear Wheel Bearing Kit***Please Read*** If your front hubs have been updated to Polaris part number 5137219 or part number 2202717 these will not fit. Please search using our eBay item number "173720598399" for our upgraded hub bearing kit.*This kit contains 2 different sized bearings, the larger bearings ending in "40" are for the rearThis is both Front (2) & Rear (2) Wheel Bearings for the following models:2008 2009 Polaris RZR 800 including all sub model designations2009 Polaris Ranger RZR S 8002010 Polaris Ranger RZR 800 (Built Before 1-1-10)Exceeds OEM Specifications3 Year WarrantyExtreme Close Contact NBR Seals - Seals May be red, blue or blackSynthetic HD Proprietary Off-Road Water and Rustproof GreaseHigh Precision BearingsReplaces Polaris Bearing Numbers 3514583 3514635 3585502 510003Kit# Pola012