Description

SKF – 6203-2Z – Single Row Deep Groove Ball Bearing

The SKF 6203-2Z is a high-performance, single row deep groove ball bearing designed for applications requiring durability, efficiency, and low maintenance. Manufactured by SKF, a global leader in bearing technology, this bearing is engineered to deliver superior performance in a wide range of mechanical and industrial systems.

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Design and Construction

The 6203-2Z features a single row deep groove design, which is the most commonly used bearing type due to its simplicity, versatility, and robustness. It includes:

• Inner and outer rings made from high-quality bearing steel
• Steel balls precisely spaced by a sheet metal cage
• Metal shields (2Z) on both sides for protection against contaminants

The SKF 6203-2Z  shields are non-contact type, meaning they do not touch the inner ring, allowing for high-speed operation while keeping out dust and debris and retaining the lubricant inside.

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Key Specifications

• Bore Diameter: 17 mm
• Outer Diameter: 40 mm
• Width: 12 mm
• Dynamic Load Rating: 9.95 kN
• Static Load Rating: 4.75 kN
• Reference Speed: 38,000 rpm
• Limiting Speed: 19,000 rpm
• Weight: 0.0657 kg
• Sealing Type: Non-contact metal shields on both sides (2Z)
• Cage Material: Sheet steel
• Radial Internal Clearance: CN (normal)

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Performance Features

1. High-Speed Capability
   With a reference speed of 38,000 rpm and a limiting speed of 19,000 rpm, the 6203-2Z is ideal for high-speed applications. The low-friction design ensures minimal heat generation and energy loss.
2. Dual Shield Protection
   The 2Z shields on both sides provide excellent protection against dust, dirt, and other contaminants. This helps extend the bearing’s service life and reduces the need for frequent maintenance.
3. Versatile Load Handling
   This bearing can accommodate radial loads and moderate axial loads in both directions, making it suitable for a wide variety of applications.
4. Durability and Reliability
   Made from high-grade bearing steel, the 6203-2Z offers excellent resistance to wear, fatigue, and corrosion, ensuring long-term reliability even in demanding environments.
5. Maintenance-Free Operation
   Pre-lubricated with high-quality grease and sealed with metal shields, the bearing is designed for maintenance-free operation in most applications.

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Applications

The SKF 6203-2Z is widely used in various industries due to its adaptability and robust performance. Typical applications include:

• Electric Motors and Generators
• Automotive Components (e.g., alternators, starters)
• Pumps and Compressors
• Industrial Fans and Blowers
• Conveyor Systems
• Household Appliances (e.g., washing machines, dryers)
• Power Tools
• Agricultural Equipment

Its ability to perform reliably in both high-speed and moderate-load environments makes it a preferred choice for engineers and maintenance professionals.

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SKF Explorer Performance Class

The 6203-2Z belongs to the SKF Explorer performance class, which represents a significant advancement in bearing technology. Bearings in this class are optimized for:

• Longer service life
• Reduced friction and noise
• Improved performance under high loads and speeds

SKF Explorer bearings are manufactured using advanced materials and precision engineering, ensuring consistent quality and performance.

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Environmental and Operational Considerations

This bearing operates effectively in a wide temperature range, typically from -30°C to +150°C, making it suitable for both indoor and outdoor applications. The metal shields help prevent ingress of moisture and contaminants, which is particularly beneficial in dusty or humid environments.

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Conclusion

The SKF 6203-2Z Single Row Deep Groove Ball Bearing is a reliable, efficient, and cost-effective solution for a wide range of mechanical and industrial applications. Its robust construction, high-speed capability, and low-maintenance design make it an excellent choice for professionals seeking dependable performance and long service life.

Whether you’re designing new equipment or replacing worn components, the SKF 6203-2Z offers the quality and reliability that professionals around the world trust.

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