4 Pack U Shape Groove Bearing Pulleys 30x10x6mm Nylon Wheel For Track Sliding Doors And Windows Transmission Parts Durable Double Groove Bearing For Quiet Smooth And Parallel Movement

4-Pack U-Groove Nylon Bearings Pulleys 30x10x6 for Doors
✔️ 30x10x6mm nylon pulley, U-groove, bore 6mm, 4 pcs pack, white

These U-groove pulleys are built from durable nylon and use a double groove bearing to deliver quiet, stable parallel movement. They’re commonly applied in track and belt-drive systems for sliding doors and windows, bathroom glass doors, and small home devices.

✅ Outer diameter 30mm (1.18in), bore 6mm (0.23in), thickness 10mm (0.39in).
✅ Groove width 5.5mm (0.21in), groove height 3mm (0.11in).
✅ Material: nylon with double groove bearing for long life.
✅ Pack contents: 4 pulleys, white color, U-groove design.
✅ Applications: belt drive, track, bathroom glass door and window systems.

💡 What is a handy use for a U-groove bearing pulley in track sliding systems?

These handy components help support guided motion with quiet, reliable operation.

• Handy for quiet, stable motion in belts and tracks
• Useful for sliding doors, windows, and small machines
• Built from durable nylon with a double groove bearing
• Fits common bore sizes such as 6 mm

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