Four Wheel Trolley Roller Bearing Assembly For 1 5 8 Inch High Strut Channel With Top Set Screw Space Supports Up To 900 Lbs Compact Mounting Inside Channel Without Need For Extra Brackets

1-Piece 4-Wheel Trolley for 1-5/8 in (41 mm) Strut Channel
✔️ 1-Piece 4-Wheel Trolley for 1-5/8 in (41 mm) Strut Channel

These four-wheel trolley rollers are rugged assemblies designed to ride inside standard strut channel, typically used with hoist systems and material handling rigs in warehouses and shops. They mount within the channel and don't require extra track hanger brackets, preserving smooth travel and reducing setup costs. A 7 mm space at the top allows set screws to be installed inside the channel without obstructing movement.

✅ Trolley body: Q235 alloy steel, carburized for wear resistance, hardened to about 30±3 HRC
✅ Bearings: SKF6200-RS1 sealed rubber-ring bearings for long life
✅ Pin shaft: solid alloy steel pin shaft, pressed in with a 50-ton press for secure fit
✅ Finish: cold galvanizing coating provides corrosion protection
✅ Channel compatibility: fits 1-5/8 in (41 mm) or taller strut channels; supports 3-channel x 4-roller multi-direction movement
✅ Load capacity: up to 900 lbs per piece

💡 What is a pillow block bearing used for in industrial trolley systems?

In general, pillow block bearings support rotating shafts in overhead trolley setups, helping keep wheels aligned and shafts running smoothly.

• Helps carry shaft loads and keep alignment in hoists and conveyors
• Provides protective seal to resist dust, moisture, and grime
• Improves reliability and service life in busy shop environments