2 Wheel Trolley Assembly Rollers with Bearing Design and Set Screw Clearance Built for 1-5/8 Inch High and Taller Strut Channels Galvanized Q235 Alloy Steel Construction Rated 500 lb per Trolley for Hoists Racks and Overhead Systems Pack of 4

2 Wheel Trolley Assembly Rollers with Set Screw Clearance
✔️ Pack of 4 Bearing Trolleys for 1-5/8 Inch Strut Channel

This is a pack of four two wheel trolley assemblies designed to roll smoothly inside standard 1-5/8 inch strut channel while allowing room for set screws on the channel top. The built in center clearance lets you use standard channel hardware without blocking travel, helping save on construction cost in hoist, garage, and workshop systems. Pack size is 4 trolley assemblies.

✅ Pack size: 4 trolley assemblies
✅ Trolley type: Two bearing strut channel trolley with set screw clearance
✅ Channel compatibility: Fits P1000, P1001, P5000, P5001, P5500, P5501 and all 1-5/8 inch or taller strut channels
✅ Material: Q235 alloy steel with carburized surface and cold galvanized finish
✅ Bearing type: Rubber ring sealed deep groove ball bearings for long service life
✅ Pin shaft: Solid alloy steel pin press fitted for high load safety
✅ Designed to prevent screw heads from interfering with trolley travel
✅ Maximum working load: 500 lb per trolley

Key dimensions
Channel Height 1.625 in 41 mm
Center Clearance 0.276 in 7 mm

💡 Why do some strut channel trolleys include clearance for set screws?
Set screw clearance designs are used to keep trolley movement smooth while reducing installation cost and complexity.

• Allows internal channel screws without blocking trolley travel

• Sealed bearings improve durability in dusty or busy environments

• Solid pin construction increases safety under suspended loads

• Common choice for electric hoists, garages, workshops, and multi direction rail systems

This trolley set is a handy option when you want smooth rolling, solid load support, and the flexibility to build cost efficient strut channel systems without sacrificing performance.