Heavy Duty Nylon Garage Door Roller Wheel Ball Sealed Bearing — 105mm / 2 Inch — 4 Pieces Keep your garage door running smoothly, quietly, and reliably. These heavy duty replacement roller wheels combine durable nylon wheels with steel hardware and sealed ball bearings to reduce friction, decrease noise, and extend the life of your door and track. Key benefits Smooth, quiet operation: Nylon wheels roll smoothly on tracks and the sealed ball bearings reduce grinding and noise. Longlasting durability: Heavy duty nylon resists wear, while steel components provide structural strength for regular garage use. Low maintenance: Sealed bearings protect against dust and moisture for consistent performance with less upkeep. Easy replacement: Sold as a set of 4 pieces for convenient homeowner or technician replacement jobs. Specifications and attributes Quantity: 4 pieces Wheel material: Nylon Wheel diameter: 2 inch Overall length / mounting length: 105 mm Bearing type: Sealed ball bearing Frame / shaft: Steel Intended use: Garage door roller replacement / upgrade Why you need it Worn or damaged rollers cause noisy, jerky, or sticking garage doors and can accelerate track wear. Replacing old rollers with these heavy duty nylon wheels restores smooth operation and protects your door system. Sealed ball bearings reduce the chance of bearing failure from dust and moisture, giving more reliable operation in typical garage environments. Use cases / applications worn rollers on a residential garage door to eliminate squeaking and uneven movement. Upgrade factory or older rollers to a more durable nylonandsteel assembly to reduce maintenance and track wear. Use as part of routine garage door maintenance during tuneups or when replacing multiple components for consistent performance. Installation notes Confirm the required wheel diameter (2 inch) and overall/mounting length (105 mm) match your door's specifications before installing. These rollers are designed to be compatible with garage door track systems that accept a 2inch nylon wheel and a 105 mm mounting length. Typical installation requires basic tools and standard removal of the old rollers and insertion of the assemblies. Durable, straightforward, and designed for reliable performance, this 4piece set offers a practical solution for restoring smooth garage door operation without unnecessary complexity.