ZhenT 10Pack Quiet Garage Door Roller,Reinforced Dual Cage,White 2” 13 Ball Bearing 4” Stem,Reuse More Than 100,000 Cycles

Features

• REPLACE OLD NOISY GARAGE DOOR ROLLERS:These 10pcs upgraded garage door rollers are designed to replace old door rollers and make your garage door quiet, smooth, and straight when opening and closing.
• EXTRA QUIET ROLLERS:Reinforced dual-cage 6200ZZ 13-ball bearing, sealed cover, and double plating reduces door noise up to 75%, rollers are constructed from white nylon that is smoother and quieter than normal plastic or metal rollers.
• BUILT TO LAST:Sealed 6200ZZ 13-ball bearing,reinforced dual-wall bearing cage plus double plating thickness on stem designed for MAX performance and ultra-life weather protection .Verified Test Ratings: exceeds 100,000 door open/close cycles at 100 pound load.
• SEALED CAP AND ULTRA LUBRICATION:Bearing lubrication groove contains Mobilgrease XHP 222 grease for enhancing bearing protection in low and high temperature applications (5F to 300F / -15C to 150C) and preventing dirt and grime to penetrate the bearings.
• STANDARD SIZE: 4-5/8" long shaft, 7/16" thick shaft, 1-13/16" wheel diameter, 1/2" wheel shoulder, 1/2" wheel thickness.Suitable for most garage doors.