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2026-05-22 7

Deep Groove Ball Bearing Selection Guide: How to Choose PUSCO 6202 or 6203 Bearings for Your Motor?

Deep Groove Ball Bearing Selection Guide: How to Choose PUSCO 6202 or 6203 Bearings for Your Motor?

Among many industrial applications, the Deep Groove Ball Bearing is the most common and widely used type. They mainly bear radial loads and can also withstand a certain amount of axial load. For many customers, choosing between the two popular models, 6202 and 6203, often depends on specific operating condition requirements.

Today, the PUSCO technical team provides a detailed analysis of the parameter and application differences between these two star products.

1. PUSCO 6202 Deep Groove Ball Bearing: The Choice for Compact Power

  • Core Parameters: ID 15mm × OD 35mm × Width 11mm.

  • Product Features: Features a single-row deep groove ball structure with seals or shields (2RS/ZZ) on both sides. This design offers stronger chemical corrosion resistance and dustproof performance.

  • Typical Applications: Especially suitable for equipment with limited space but requiring high speeds. The PUSCO 6202 is widely used in electric bicycles, motorcycles, small motors, and precision instruments.

  • Material Advantage: We use GCr15 high-carbon chrome bearing steel to ensure high hardness and long service life.

2. PUSCO 6203 Deep Groove Ball Bearing: Stronger Load Capacity

  • Core Parameters: ID 17mm × OD 40mm × Width 12mm.

  • Product Features: Compared to the 6202, the 6203 has a larger cross-sectional size, meaning it can withstand heavier radial loads.

  • Typical Applications: Commonly used in industrial pumps, agricultural machinery, home appliances, and higher-power motor systems.

  • Maintenance Advantage: Deep groove ball bearings have a simple structure and are easy to install and maintain, resulting in lower maintenance costs compared to other bearing types.

3. Why Choose PUSCO Deep Groove Ball Bearings?

  • Precision Manufacturing: Strictly controlled dimensional tolerances ensure a perfect fit with the shaft and housing.

  • Low Noise Technology: Treated with special cleaning and lubrication processes, PUSCO bearings run extremely quietly, meeting the requirements of modern eco-friendly equipment.

  • Wide Compatibility: PUSCO 6202 and 6203 bearings follow international standards and can perfectly replace similar brand products on the market.

Technical Tip:
When selecting a bearing, please be sure to confirm whether your equipment requires contact seals (RS) (better dust and water protection, slightly lower speed) or non-contact shields (ZZ/ZZC) 



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