U Groove Ball Bearing Roller Wheels 6 X 27 X 8mm Nylon Pulley Guide Wheel Stainless Steel Track Wheel Built To Last No Squeak Heavy Duty Replacement For Sliding Doors And Windows Black Pack Of 4

U-Groove Wheel Set 6x27x8mm: Quiet Sliding Track Wheels
✔️ Pack of 4, 6x27x8mm, groove 4.8x1.7mm, 81 kg (178 lb) load capacity

These black U-groove pulley wheels are designed for smooth, quiet operation in sliding doors, windows, and furniture hardware. Made from plastic with a stainless steel core, they resist rust and support heavy loads on tracks or shafts with matching diameters. Overall size is 6 x 27 x 8mm, groove 4.8 x 1.7mm, and they’re rated for up to 81 kg per wheel.

✅ Pack of 4 black U-groove pulley wheels
✅ Overall size: 6 x 27 x 8mm (0.24 x 1.06 x 0.31 in)
✅ Groove size: 4.8 x 1.7mm (0.19 x 0.07 in)
✅ Material: plastic with stainless steel core, rust-resistant
✅ Load capacity: up to 81 kg (178 lb) per wheel
✅ Fits 1/5" round tube orbit

💡 What is a U groove ball bearing pulley wheel used for in sliding doors and windows?

These handy wheels help keep track systems moving smoothly and quietly in everyday setups.

- Compatible with 1/5 inch round tube orbit in sliding doors and windows - Quiet operation thanks to internal lubrication and stainless steel core - High load capacity up to 81 kg (178 lb) per wheel for durable use✝️