Trolley Assembly,Upgraded Load and Stable 4 Wheel Light Duty for Use with All 1-5/8" or Taller Strut Channel(Pack of 4)……

【Upgraded High Performance】Our trolleys assembly are manufactured by high precision craftsmanship,The four bearing trolley assembly features a welded bearing and pin shaft to offer more stability for secure use. It uses deep groove ball bearings to make sure you can operate it smoothly without making any noise. 【Premium Bearing Max Load 1000 Lbs】Trolley Assembly uses high-quality bearings, the body is constructed of solid steel, SGS load capacity test and Load capacity over 1000 lbs. Each bearing connect the main steel with a fixed size spacer to make the whole roller trolley more stable.bearing is custom made with a cap on to prevent metal balls from falling out during rotation. 【UNIVERSAL AND EASY TO USE】The strut channel trolley roller standard deep groove ball bearing mounting, for use with 1-5/8" Wide and All 1-5/8" or Taller Strut Channel, Designed with three screw holes in 1/4 inch thick steel plate, recommended to use M5 bolts. Can be installed ceiling trolley system or electric lift at will, easy to operate. 【Size and Design Load】Diameter hole - 1/4"(6mm), Weight - 0.56lb, Product dimension - 3-1/8(80mm)x1-23/32"(43.5mm)x1-5/16"(33mm), Design load - 1000lbs(500kg). Our bearing strut trolleys not only be cost-efficient but also made to handle heavy duty use even in the long run. 【Quality Service】If you have any issues with the trolley assembly 4 wheel then just let us know and we will help you resolve them quickly to ensure you are completely satisfied. Please Note: It’s recommended that you use the strut channel horizontally.