Feature

●【Upgrades】Shafts - our shaft are made by solid steel to make sure our 4 strut channel trolley has the best design load; Spacers - each bearing connect the main steel with a fixed size spacer to make the whole roller trolley more stable and less noise; Bearing - each bearing is custom made with a cap on to prevent metal balls from falling out during rotation. No lubrication needed for the bearings.
●【Professional】Our square 4 wheel trolley are made of solid steel which has a higher strength. The surface is finished with zinc galavanized for better rust protection. Pin shaft and ball bearings are assembled by professional motors, the tolerance are less than 0.004mm which make it tighter between the shaft and the bearings, so the strut channel trolley will not fall apart.
●【Versatility】Applicable to all channel with 1-5/8" width and 1-5/8" thickness or thicker, compatible with Unistrut P1000, P1001, P5000, P5001, P5500, P5501. Our 4 wheel trolley rollers are suitable for varies situation during our daily life. Usable in curtain system, electric lift system and ceiling trolley system. Also suitable for hanging DIY projects like punching bag and sliding barn doors.
●【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.
●【We Have Your Back】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


Description

Product Name: 4 Wheel Trolley Assembly

Material: Solid Steel

Item Package Quantity:2 Pcs

Color: Silver

Max Load Bearing: 1100lbs/500kg

Roller Trolley Fit For: For use with 1-5/8" Wide and All 1-5/8" or Taller Strut Channel

Each Trolley Wheel Weight : 230g