Heavy-Duty Build:Two bearing trolley assembly made with hot-rolled carbon steel of solid steel for impact resistance.Galvanized to ensure rust resistance of wheeled trolleys.Smooth and noiseless during use, bearings and pins are firmly welded, work stably, resulting in incredible strength and mass !
Operate Steadily:Wheel trolley standard deep groove ball bearing installation, is very smooth no noise to it when used. Bearing welding positioning, to ensure the stability of the work.
Unique Design: The bolt is in the fastening groove,trolley will not be blocked in the channel. Two bearing trolley assembly wheel heavy duty trolley assembly with silent wheel.
Easy Operation: When using, just push the wheel into the pillar channel, you can use the cart upside down.
Style: 4 wheel trolley assembly rollers two bearing (2PC)
Color: Silver
Material: Steel
Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing.

Unistrut rollers is smooth and can be easily installed in a standard single groove, keeping it centered in the groove with good side clearance, so the bolt will not rub or get stuck in the groove
4 Wheel trolley assembly roller: fit 1-5/8 inches wide and all 1-5/8 inches or taller strut channels, M10 Bolt in the middle, 97 mm (3.8inch) in length,2 nuts are include that is better for upside down used,which can help you to achieve work easily, and bring you lots of convenience for your life.Unistrut trolley design load 320 lbs at 600 rpm;450 lbs at 300 rpm;650 lbs at 100 rpm. Break strength:5511 lbs
Heavy-Duty Build:Unistrut trolley wheels made with hot-rolled carbon steel of solid steel for impact resistance.Galvanized to ensure rust resistance of strut trolley.Smooth and noiseless during use,bearings and pins are firmly welded,work stably,Resulting in incredible strength and mass
Operate Steadily:Strut channel trolley rollers standard deep groove ball bearing installation,is very smooth no noise to it when used. Bearing welding positioning,to ensure the stability of the work
Wide application:This roller is very suitable for garage lift systems,ceiling trolley systems,and suspended DIY projects. It is an essential tool for factories, garages,warehouses and other places