8 Pack White Nylon U Type Groove Guide Bearings 6Mm ID 22Mm OD 7Mm Thick Top Shelf Slick Rolling Pulley Roller Wheels For Quick Fix Sliding Doors And Pro Level Automation Projects

Heavy Duty White Nylon U Groove Guide Bearing Set
✔️ 8 Pack 6mm ID 22mm OD 7mm Thick Chrome Steel Rollers

Each of the eight packed units replaces worn rollers on glass sliders, aluminum tracks, and workshop conveyors. You will love how this set lifts heavy panels without scratching your favorite finishes. The chrome steel core handles steady torque while your project runs silently day after day.

✅ Six millimetres clears space around standard shafts fast.
✅ Twenty two millimetres locks wide track grooves tight.
✅ Seven millimetres backs up heavy sliding panels steady.
✅ Two point five millimetres hugs rail edges without drift.

💡 What makes a sealed ball bearing perform best in damp workshop environments?
A handy maintenance routine extends the service life of any linear slide unit significantly.
- Apply light machine oil to the chrome steel journal every few months.
- Wipe away old grease before seating the wheel back into dry track slots.
- Store spare units away from direct water spray to preserve the coating.