6x30x20 Sealed Bearing With Black Polyurethane Tire PU6x30x20 Ball Bearing 6 Mm Inner Diameter 30 Mm Outer Diameter 20 Mm Width High Precision Durable PU Rubber Bearing

Sealed PU tire bearing 6x30x20mm for smooth motion, compact
✔️ 6 mm bore, 30 mm OD, 20 mm width; 1 pc PU tire bearing

This compact sealed bearing pairs a sturdy black polyurethane tire with a sealed ball bearing, delivering smooth, quiet rolling in small wheels, sliders, or linear guides. It’s a handy choice for hobby CNC rigs, 3D printer wheels, and compact automation projects.

✅ Inner diameter: 6 mm
✅ Outer diameter: 30 mm
✅ Width: 20 mm
✅ Tire material: Black polyurethane
✅ Bearing type: Sealed ball bearing
✅ Pack: 1 bearing

💡 What is a sealed ball bearing with a polyurethane tire best used for in small motion systems?

Handy for compact machines that need smooth, reliable rolling and grip.

- compact motion applications
- smooth, quiet operation with PU tire
- sealed protection against dust/moisture
- easy swap-in for wheels and guide rollers