Wheel Hubs & Bearings

Wheel Hubs and Bearings Support Your Vehicle's Weight

Tired of spending money on parts that might not fit? Stellantis Canada has the solution. Wheel hubs and bearing assemblies allow wheels to rotate freely while supporting vehicle weight. These components include the hub, bearings, seals, and mounting hardware. Factory assemblies use precision bearings rated for specific loads and speeds. Proper bearing operation ensures smooth rotation and safe vehicle control.

How Hub and Bearing Assemblies Work

Your wheel hub bolts to the steering knuckle or rear axle housing. Ball bearings or tapered roller bearings fit between the hub and mounting surface. These bearings allow the hub to spin with minimal friction. Seals keep grease inside the bearing cavity while blocking dirt and water. The wheel mounts to studs pressed into the hub. Brake rotors or drums attach to the hub face. ABS sensors mount to the hub assembly on many vehicles. Mopar hub assemblies for vehicles like the Dodge Charger and Jeep Compass come pre-greased and sealed as complete units. Bearing preload specifications ensure proper internal clearance. Front hubs integrate with steering components. Rear hubs may include provisions for parking brake mechanisms. The assembly transfers braking forces to the suspension system.

Why Bearings Fail Prematurely

Wheel bearings wear from the constant rotation and weight they support. Water contamination washes away bearing grease and causes rust. Impact damage from potholes creates indentations in bearing races. Improper installation torque damages bearing internals. Seal failure allows grease to escape and contaminants to enter. Overloading the vehicle exceeds bearing capacity. Cheap aftermarket bearings use inferior steel that wears quickly. Lack of maintenance on older serviceable bearings leads to failure. Brake heat transfers through hubs and breaks down bearing grease. Loose bearings allow excessive play that accelerates wear. Corrosion between the hub and bearing prevents proper seating.

Spotting Bearing Wear Before Failure

Replace wheel bearings when you hear growling or humming noises that change with vehicle speed. The noise typically increases during turns. Feel for excessive wheel play by grasping the tire at top and bottom and rocking it. ABS warning lights sometimes indicate bearing sensor problems. Uneven tire wear suggests bearing issues affecting wheel alignment. Most wheel bearings last 75,000 to 150,000 miles under normal conditions. Inspect bearings when replacing brake components. Rough bearing rotation felt during wheel removal indicates wear. Grease leaking from behind wheels signals seal failure. Replace bearings in pairs on the same axle. Genuine Mopar hub and bearing assemblies use precision-manufactured components that meet factory specifications for fit and durability, unlike aftermarket units that may have excessive clearances or inadequate sealing causing premature failure.

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