Garage door ballbearing rollers with nylon shells around steel wheels and attached stems. Designed as replacement rollers for residential and commercial garage doors to deliver quieter, smoother operation and longer service life. Key benefits Quieter operation: Ballbearing hubs reduce friction for smoother rolling and lower noise compared with basic sleeve bearings. Durable construction: Steel wheel core enclosed in a nylon shell protects the wheel surface and reduces wear on the track. Reliable performance: Precision ball bearings maintain consistent rotation under load for smoother door travel and reduced stress on the opener. Easy replacement: Rollers with stem are designed for direct replacement of worn or broken rollers on standard residential and commercial doors. Features and attributes Function: Rollers enable the garage door to move along the track smoothly while supporting lateral loads and guiding the door. Materials: Steel wheel core with a nylon outer shell and ballbearing hub for a balance of strength and lownoise operation. Compatibility: Intended as replacement rollers for residential and commercial garage doors. Confirm stem type and dimensions before to ensure fit with your existing track and brackets. Performance: Engineered to reduce vibration and wear, improving overall door operation and reducing maintenance frequency. Practical applications Home garage maintenance: noisy or seized rollers to restore smooth, quiet operation of a household garage door. Commercial overhead doors: Upgrade rollers on light to mediumduty commercial doors to reduce noise in retail or workshop environments. Property maintenance and turnaround: Install during routine maintenance on rental units or fleet facilities to extend component life and improve tenant satisfaction. Installation and maintenance tips Inspect stem diameter and length and verify compatibility with existing brackets before installing. rollers in matched sets where practical to maintain even performance across the door. Periodically inspect for wear or damage and rollers that show excessive play, flat spots, or broken bearings. This roller design combines ballbearing reliability with a nyloncovered steel wheel to deliver quieter, longerlasting operation for both residential and commercial garage doors.