YUANQIAN Durable 2 Inches Nylon Garage Door Rollers 6200ZZ 11 Ball Bearing 4.8Inches Stem (Set of 2) (Garage Door Rolle 120MM2PCS)

• Replacement garage door rollers for home use. Perfect for replacing old, worn, noisy, or broken rollers. Garage door rollers are easy to replace yourself.
• Premium nylon & Steel wheels with 11 ball-bearings
• Standard wheels are made of solid nylon and wear out, but steel wheels can be noisier. Our premium wheels have nylon shells for the quitest possible operation, and steel cores for durability. They are the top-of-the-line in garage door rollers. Each roller contains eleven ball bearings for smooth operation.
• These 2" wheels have an actual diameter of 1-13/16". They fit the 2" tracks on most residential doors. The 4" stem is actually 3.75" long, and is suitable for standard single-hinge installations. The stem slides into the hinges on the outer edge of the door

ROLLER SIZE: Roller thickness is 0.5 ", Roller diameter is1.81", Shaft diameter is 0.44 ", Shaft length is 4 ". PROFESSIONAL: Professional Bearings, Single Load 150 lbs, Super Quiet- Lubricated Bearings. MATERIAL AND DESIGN: Rollers are constructed from nylon that is softer and quieter than plastic or metal rollers and smoother than original equipment rollers LIFETIME GUARANTEE: reinforced dual-wall bearing cage, sealed 6200ZZ ball bearing plus double plating thickness on stem designed for MAX performance and ultra-life weather protection. Each garage door rollers can reuse 100,000 cycles SIMPLE TO INSTALL: Method 1 - Slightly bend track at seam to remove, replace roller, and move door to do next roller (repeat on other side). Method 2 - Remove screws that attach brackets to your door, secure cable before releasing bottom brackets that are under cable spring tension, clamp cable to track, slide out old rollers, place new rollers in their place, and screw in backers.