Replacement nylon roller with steel ball bearing for sliding patio doors. Designed to restore smooth, quiet operation and to fit applications that accept a 111/16 inch diameter wheel with a 7/16 inch width. Key benefits Smooth, reliable rolling: Nylon wheel combined with a steel ball bearing provides consistent rotation and reduces binding and sticking. Quieter operation: The nylon surface helps dampen noise compared to metalonmetal contact. Durable construction: Nylon wheel resists wear while the steel ball bearing supports rotational strength for normal residential use. Easy to match and install: Clearly defined dimensions make it simple to verify compatibility with existing rollers. Important attributes Function: Roller wheel with integrated steel ball bearing for sliding patio doors. Material: Nylon wheel and steel ball bearing. Size: 111/16 inch diameter, 7/16 inch width. Performance: Designed for smooth rotation and reduced friction in standard residential sliding door applications. Compatibility and fit Intended as a replacement part for patio door rollers that match the listed diameter and width. Verify existing roller dimensions before to ensure correct fit. Typical applications a worn or damaged roller on a residential sliding glass patio door to eliminate sticking and improve ease of use. Use during routine door maintenance to restore smooth sliding and reduce operational noise. Install as part of a DIY when replacing a broken or degraded wheel on a standard sliding patio door. Installation note Remove the door from its track if needed, remove the old roller assembly, and install the replacement wheel that matches the stated diameter and width. Adjustments may be required to align the door after installation.