4 Pack U Type Pulley Wheel Dope Quality 0.31 By 1.77 By 0.45 Inches With 8 Mm Shaft Hole And Steel Bearings For Doors And Windows Replacement Kit Premium Fit For Sliding Doors And Windows

Premium 4-pack U-type pulley wheels for sliding doors
✔️ 8 mm shaft hole; 45 mm outer dia; 11.5 mm height; 4 pcs

These U-type pulley wheels are replacement components for sliding doors and windows. They are commonly used in track systems to replace worn wheels, reduce friction, and restore smooth operation in home or office hardware projects.

✅ Outside diameter: 45 mm (1.77"), height: 11.5 mm (0.45"), shaft hole: 8 mm (0.31")
✅ Groove width: 6 mm (0.24"), depth: 3 mm (0.12"), radius: 3 mm (0.12")
✅ Bearing model: 608ZZ
✅ Material: U-shaped plastic-coated pulley with black finish
✅ Package: 4 pulleys per pack

💡 What is a handy pulley wheel used for in sliding door hardware?

It's a handy upgrade for keeping tracks running smooth and quiet.

- Replacement for worn sliding door and window pulleys in track systems - Supports 8 mm shaft hole and 45 mm wheel diameter for broad compatibility - Improves smooth operation by reducing friction with a durable bearing - Pack of four pulleys to cover multiple projects✝️