8-Wheel Truck/Trolley Assembly for Cantilever Gates w/ 2" [1 7/8" OD] Guide Wheels and 2" Standard Bearings for Internal Truck (Malleable Steel) | Chain Link Fittings
ANDUSTRIAL 4 Bearing Trolley Assembly - Electro-Galvanized Zinc Finish - 3-in Square - Compatible with All 1-5/8-in or Taller Strut Channels in the Strut Accessories department at Lowes.com
NEWHOUSE ELECTRIC 1-5/8 in. Light-Duty Steel 4-Wheel Trolley Assembly for 1-5/8 in. Strut Channel 4WLDT-158 - The Home Depot
B-Line B377ZN Two Bearing Trolley Assembly, Zinc Plated
D 1547 Two Parallel 1-1/4 in. Nylon Roller Trolley Assembly, Steel Housing, 1 Pack | City Mill
NEWHOUSE ELECTRIC 1-5/8 in. Trade Size Steel Electric Hoist Mount 4-Wheel Trolley Assembly with Sealed Bearings for 1-5/8 in Strut Channel EL4W-158H - The Home Depot
RHKING Electric Hoist Installation Roller Trolley 4 Wheel Trolley Assembly 2pcs Silent for Use with 1-5/8" Wide and All 1-5/8
B-Line B478ZN Trolley Assembly
2Pcs Electric Hoist Installation Roller Trolley 4 Wheel Trolley Assembly For 1-5/8 Inch Wide And All 1-5/8 Inch - AliExpress
Chain Link Double Trolley Assembly for Overhead Slide Gate I-Beam (Galvanized Steel) | Chain Link Fittings
Trolley Assembly,2 Wheel Trolley Rollers for Use with 1-5/8" Wide and All 1-5/8" or Taller Strut Channel (Pack of 4)…