ABN Quiet Garage Door Rollers Nylon Door Wheels Replacement Garage Roller, White 2in 13 Ball Bearing 4in Stem 10pk
- ...: Heavy duty garage door rollers include a groove to disperse grease lubricating oil (optional, not included).
- Protective dust shield on top end of shaft just below wheel.
- Caged bearings also protect from dust and grime.
- "Sealed" so each roller has a hardened steel 13-ball bearing encasement that is stronger than a standard bearing.
- Manufactured to exceed the industry standard of 10,000 up and down cycles with a 50-pound load.
- CONTENTS: Package includes (10) white garage door rollers 4 inch stem garage door replacement parts.
- 4.6-inch (11.7cm) overall length with 4.1-inch (10.4cm) stem shaft, 0.5-inch (1.3cm) shoulder, 0.4-inch (1cm) shaft thickness, 0.5-inch (1.3cm) thick wheel, 1.75-inch (4.4cm) wheel diameter.