Key features

• •ULTRA-LIFE: reinforced 6200Z bearing with heavy-duty cage increases life of rollers up to 10x longer than original equipment rollers
• •6200Z STANDARD BEARING: holds ball bearings in place so there is less play and friction between bearings, resulting in 10x the longevity of the roller with a cycle rating of up to 100,000 cycles
• •ULTRA-QUIET OPERATION: reduce noise by up to 75% with a 6200Z ball bearing with heavy-duty cage - much quieter and longer lasting than original equipment garage rollers
• •ULTRA LUBRICATION: bearing lubrication groove contains Mobilgrease XHP 222 grease for enhancing bearing protection in low and high temperature applications (5°F to 300°F / -15°C to 150°C)
• •VERIFIED TEST RATINGS: exceeds 120,000 door open/close cycles at 120 pound load
• •Product rating: exceeds 100,000 cycles at 120 pound load
• •Roller wheel: Nylon 6 wheel with 6200Z bearing
• •Wheel material: Nylon 6 wheel offers long-lasting, Ultra-Quiet' operation
• •Bearing grease: lubrication groove contains Mobilgrease XHP 222 grease for smooth operation over an extended period of time
• •Standard shaft size: 4-5/8" length 7/16" diameter
• •Standard wheel size: 1-13/16" diameter, 1/2" thickness, 1/2" shoulder