EPI WE301438 Wheel Bearing Kit – Fits Polaris RZR XP 1000, PRO XP, General 1000, Sportsman 850/1000

OVERVIEW

The EPI WE301438 Wheel Bearing Kit delivers precision-engineered replacement hardware designed to restore smooth rotation and structural integrity to your UTV or ATV wheel hub. Constructed from hardened steel components with specialized greases and dual-seal arrangements, this kit replaces worn factory bearings that compromise handling. It is specifically engineered for heavy-duty off-road and utility riding applications where consistent performance under sustained loads is critical.

ENGINEERING & PERFORMANCE

Each bearing operates at high rotational speeds with minimal friction, utilizing low-drag double-lip seals on both sides to actively block water, mud, and abrasive trail debris from entering the hub cavity. The inner raceway tolerances are maintained to strict manufacturing standards to preserve rotational stability when navigating uneven terrain or hauling cargo. A rubber-coated outer diameter forms a direct compression interface between the bearing and the hub housing, effectively sealing out moisture before it reaches the contact surfaces. High-performance lubricant packed inside the cartridge contains rust inhibitors to extend service intervals and protect against oxidation in soaked or humid conditions.

KEY FEATURES

• Premium high-speed bearing design
• Low-drag double-lip seals on both sides
• Superior exclusion of water, dirt, and trail contaminants
• High-performance grease formulated with rust inhibitors
• Rubber-coated outer diameter for optimal hub sealing
• Includes all necessary bearings and seals to rebuild one complete wheel hub
• Built specifically for demanding ATV and UTV operating conditions

TECHNICAL SPECIFICATIONS

• Brand: EPI
• Part Name: WE301438 Wheel Bearing Kit
• Product Type: Wheel Bearing Kit
• Material: Heat-treated steel bearings with rubber-sealed housings
• Supported Years: 2017–2023
• Compatible Trims: Polaris RZR, PRO XP, General, Sportsman, Ranger, ACE, and Scrambler (full application list detailed below)

FITMENT

• 2023 Polaris General XP 1000 (Sport, Ultimate, Premium, Trailhead Edition, Troy Lee Designs Edition) (Front)
• 2023 Polaris RZR XP 4 1000 (Ultimate, Sport) (Front/Rear)
• 2022–2023 Polaris RZR Trail S Series (Sport, Ultimate, Premium) (Front/Rear)
• 2022–2023 Polaris Sportsman 850 & 1000 XP (Premium, Ultimate Trail, Touring) (Front/Rear)
• 2022–2023 Polaris RZR PRO XP & PRO XP 4 (Sport, 4 Premium, 4 Ultimate, Rockford Fosgate LE) (Front/Rear)
• 2022–2023 Polaris RZR XP 1000 & XP 4 1000 (Trail, Sport, Premium, High Lifter, Trails & Rocks) (Front/Rear)
• 2020–2023 Polaris Ranger 1000 & Ranger Crew 1000 (Premium, EPS, Big Game Edition, Waterfowl Edition, NorthStar) (Front)
• 2020–2023 Polaris RZR PRO XP series (Premium, Ultimate) (Front/Rear)
• 2020–2022 Polaris General 1000 & General 4 1000 (Deluxe, Premium) (Front/Rear)
• 2021–2023 Polaris Ranger Crew XP 1000 & Ranger XP 1000 (NorthStar Trail Boss, NorthStar Premium, NorthStar Ultimate) (Front)
• 2019–2020 Polaris RZR S4 1000 EPS & XP 4 Turbo S (Front/Rear)
• 2018–2022 Polaris RZR RS1 & Polaris Sportsman 1000 XP Hunter Edition (Front/Rear)
• 2017–2019 Polaris ACE 900 XC & Polaris General 1000 Series (EPS Deluxe, EPS Limited) (Front/Rear)

WHY RIDERS CHOOSE THIS

Riders select this kit because it restores factory-level hub performance and predictable steering feedback without relying on expensive OEM dealer markup. The steel bearing cores paired with dual lip seals actively shed trail debris during muddy excursions, while the internal lubricant resists washout from deep water crossings. Installation remains straightforward since every necessary bearing and seal ships together in a single package intended to rebuild one complete wheel hub. When matched to Polaris RZR, General, or Sportsman platforms, the rubber-coated outer shell eliminates micro-movement inside the axle carrier, keeping ride quality stable under aggressive cornering or heavy payload conditions.