Bearing 6003

CFMoto Bearing 6003

OEM Part Number 30400-01702 (Old P/N: GB/T276/6003)

Deep Groove Ball Bearing, Dimensions: 17x35x10mm, fits multiple CFMoto 500cc-800cc engines.

This 6003 bearing is a high-quality OEM replacement for CFMoto, part number 30400-01702, conforming to national standard GB/T276/6003. It is a deep groove ball bearing with dimensions 17mm (ID) x 35mm (OD) x 10mm (Width). It is typically installed in the engine or transmission to support rotating shafts, ensuring smooth rotation.

The 6003 series bearing is a common deep groove ball bearing with a simple structure and wide application range. It is mainly designed to carry radial loads, but can also accommodate some axial loads.

Bearings are critical rotating support components within an engine. Operating under high load and high speed, they can wear, develop play, create noise, or even seize, leading to poor engine performance, abnormal sounds, or severe damage. During an engine overhaul, it is standard practice to replace all bearings.

• Direct OEM Replacement: Perfectly matches CFMoto part number 30400-01702, ensuring precise fitment.
• Standard 6003 Size: Inner diameter 17mm, outer diameter 35mm, width 10mm, meeting international bearing standards for high interchangeability.
• High-Quality Bearing Steel: Made from high-purity bearing steel for excellent wear resistance and long contact fatigue life.
• Precision Machined: Raceways and rolling elements are precision ground for high rotational accuracy and low noise.
• Essential for Engine Overhauls: Replacing all bearings during a major engine rebuild is a critical step for ensuring repair quality and extending engine life.

✅ Bearing Replacement Tip: Bearings are precision components. Use appropriate tools (like a bearing driver set) to apply even pressure during installation. Never strike the bearing directly with a hammer, as this can cause damage. Ensure the bearing bore is clean and free of burrs, and apply a light coat of oil to the bearing before installation.

⚠️ Verify Before Ordering: The 6003 bearing is a standard part, but its specific application may vary between models. Please confirm that the bearing you need to replace has the dimensions: Inner Diameter 17mm, Outer Diameter 35mm, Width 10mm (6003).