New*** 10 rollers – 2 inch 13 ball bearing nylon garage door rollers what does 13 ball bearing do for you, it means that the roller allows the door to operate smoother, quieter, less stress on the opener (saving you that costly repair on the opener), less stress on the door hinges. These rollers alone will make a huge difference they dramatically reduce vibrations and noise caused by metal rollers, remember they have 13 ball bearings in them, allowing them to have a longer life and operate even quieter than standard rollers. * 4 inch long stem * 7/16 inch diameter shaft +B2* very quiet * good for all 7′ foot or 4 panel (sections) residential and light commercial doors * fits all 2 inch track * rating: 125Lbs per roller @ 20, 000 cycles 12′ door.
- Roller has a lubrication groove to disperse lubrication over a long period of time
- 4-5/8″ overall 4-1/8″ shaft 1/2″ shoulder 7/16″ ( 11.09″) shaft thickness
- 1/2 inch wheel thickness 1-13/16 inch wheel Dia