PU8x30x20-2RS Sealed Bearing - Black Polyurethane Tire 8x30x20mm

PU 8x30x20 Sealed Bearing with Black Polyurethane Tire
✔️ 8x30x20mm ball bearing with durable black PU outer wheel

This single PU 8x30x20 bearing gives you a handy rolling element for small carts, fixtures, guides, and shop tools that need a quiet, smooth wheel surface. The black polyurethane tire runs clean on hard floors, while the rubber seals keep the inner bearing protected from dust.

✅ One sealed ball bearing with PU outer wheel
✅ Black polyurethane tire for smooth, low-noise rolling
✅ Rubber-sealed bearing for cleaner operation
✅ Metric size: 8mm bore, 30mm outer diameter, 20mm width
✅ Good for light carts, jigs, guides, and shop-built rolling parts

Dimensions

Inner diameter 8 mm
Outer diameter 30 mm
Width 20 mm

💡 Why are polyurethane-tired bearings popular for small rolling mechanisms?
PU runs quiet while gripping the floor without scratching surfaces.

• It absorbs small vibrations for steadier movement

• It resists wear when rolling on concrete or metal tables

• Sealed bearings inside help keep the motion smooth over time

This PU 8x30x20 bearing keeps your small rolling setups gliding cleanly and quietly with solid everyday durability.