High-quality materials, exquisite craftsmanship, safe, reliable and durable, long service life, complete specifications, convenient and flexible use, and better cost performance.

High quality POM (Polyformaldehyde) / PP (Polypropylene) material, good abrasion resistance, smooth and quiet running, long life.

High-quality adhesive material is used, which will not debonding for a long time.

The built-in bearings can be replaced at will.

A selection of high quality POM (Polyformaldehyde) / PP (Polypropylene) coated bearings in a selection of sizes.

Widely used in automation accessories, pulleys, conveyor belts, motors, 3D printers, engraving machines and other mechanical equipment and DIY production.

- Roller Wheel Bore: 8mm
- Bearing Material: Bearing Steel
- Number of bearings: Double Bearings
（6mm Bore Wheel, with deep groove ball bearings type 606 / 626）
（8mm Bore Wheel, with deep groove ball bearings type 608 / 698）
（10mm Bore Wheel, with deep groove ball bearings type 6000 / 698 / 6800）
（12mm Bore Wheel, with deep groove ball bearings type 6201 / 6001）
（15mm Bore Wheel, with deep groove ball bearings type 6202）
（17mm Bore Wheel, with deep groove ball bearings type 6003）
（20mm Bore Wheel, with deep groove ball bearings type 6804） 
- Shell Material: POM (Polyformaldehyde) / PP (Polypropylene) 
- Hardness: Hard
- Colour: Black / White
- Options Size = Bore x Outer diameter x Width
- Available Model：
PP(8-20-30) White
PP(8-28-30) White
PP(8-30-30) White
PP(8-30-40) White
PP(8-35-43) White
PP(8-35-50) White
PP(8-40-45) White
PP(8-40-50) White
PP(8-40-60) White
PP(8-40-70) White
PP(8-40-80) White
PP(8-43-50) White
POM(8-28-30) Black
POM(8-28-40) Black
POM(8-28-50) Black
POM(8-30-20) White
POM(8-30-50) White
POM(8-40-50) White
POM(8-30-30) White
POM(8-35-30) White
POM(8-40-30) White