8pcs Bearing Trolley Assembly for Unistrut Trolley 1-5/8" Wide and All 1-5/8" or Taller Strut Channel, 2 Wheel Trolley Assembly Rollers Suitable for Hoist Trolley and Track System

Create a unique rail system for your workroom? A door for your warehouse? Transport meat easily? Move cut wood with little effort? WILTEEXS 2 wheel bearing trolley bring you more possibilities. Specification: Product Name: Two Wheel Bearing Trolley Material: High-strength steel Design load: 150 lbs at 600 rpm; 220 lbs at 300 rpm; 280 lbs at 100 rpm Break strength: 2200 lbs Suitable for: All 1-5/8" Wide and 1-5/8" or Taller Strut Channel Package included: 8Pcs NOTE: 1.If the fixing screw for the strut channel is installed inside the track, the trolley may not be able to pass. We recommended you choose a taller strut channel or install the bolt outside the track. 2.Please be sure to take into account all of your rigging, fasteners, and gantry when calculating your loads.