Four Wheel Trolley Assembly For Box Rail Hanger System With Silent Stable Rollers And M12 Bolts, Compatible With 1.97 Inch Wide And All 1.69 Inch Or Taller Strut Channel, High Load Capacity Up To 881 Lb, Pack Of 2

Pack of 2 Box Rail Trolley Wheels for 1.97in Channels
✔️ 2-Pack trolley wheels, 78×43 mm roller, M12×90 mm bolt, 400 kg

These heavy‑duty trolley wheels are built for box rail systems, perfectly suited for warehouses, workshops, and production lines that demand smooth, quiet movement on fixed tracks. Made from high‑strength galvanized steel, they feature welded bearings and pins for stable, long‑lasting operation even under heavy loads. This two‑pack is designed to work with 50 mm wide rails and strut channels that are 43 mm tall or taller.

Dimension	Value
Box Rail Roller Size	78×43 mm (3.1×1.7 in)
Bolt Size	M12×90 mm
Load Capacity	400 kg (881 lb)
Rail Compatibility	50 mm wide, 43 mm tall channels

✅ Design load up to 400 kg (881 lb) for heavy-duty use
✅ Quiet, smooth operation with welded bearings and pins
✅ Galvanized solid steel construction for rust resistance
✅ Fits 50 mm wide rails and 43 mm tall or taller channels
✅ Includes 2 nuts for upside-down mounting

💡 What is a handy use case for a box rail trolley in factory workflows?

- Increases material handling along fixed tracks in warehouses
- Handy for moving heavy cartons or assemblies on box rails
- Reduces manual lifting and speeds line changes
- Works with 50 mm wide rails and 43 mm tall channels