Garage Door Roller 4pc Nylon White Garage Door Rollers Wheel Ball Sealed Bearing 170mm Length Quiet and Smooth Wheels Replacement for Doors

Specifications:-Shank Material : Iron-Wheel Material : Nylon-Sealed Ball Bearing Quantity : 13 Pieces-Shank Diameter : 10mm(0.39")-Total Length : 175mm (4")-Wheel Diameter : 45mm (1.78")-Wheel Thickness :11mm(0.43")Package Included:4 x Garage Door Roller WheelTips:1.Due to the light and monitors effect, colors may have lightly difference.2.Please allow slightly size errors due to manual measurement. Thank you for your understanding!Installation Tip: For optimal performance, first clean the roller track thoroughly before installation; align the roller properly with the track using appropriate safety equipment; apply lubricant specifically designed for garage door rollers along the lubrication groove every six months; test the door balance and make necessary adjustments to ensure smooth operation; if replacing multiple rollers, consider doing them in pairs to maintain even weight distribution

• Quiet Operation: Advanced nylon wheel construction dramatically reduces operational noise for smooth and silent garage door movement
• Exceptional Durability: Engineered with high-load bearings to withstand extensive usage cycles while maintaining consistent performance over time
• Enhanced Protection: Sealed design effectively blocks dust and debris infiltration ensuring internal components remain clean and functional
• Optimized Lubrication: Integrated lubrication system ensures consistent performance with minimal maintenance requirements
• Long-Term Reliability: Premium construction delivers outstanding performance that far exceeds standard roller lifespan