6909
6900 Series Thin Section Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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6909 Bearing Product Overview & Core Advantages
The 6909 metric ball bearing is a single row deep groove ball bearing designed for exceptional performance in radial load applications. Engineered with precision ABEC-1 tolerance, this bearing delivers reliable operation and consistent accuracy. Its open design allows for versatile lubrication options, while the chrome steel rings and balls combined with a stainless steel cage ensure durability and corrosion resistance. This bearing is ideal for applications requiring high-speed capability (up to 11,000 rpm) and robust radial load capacity.
6909 Bearing Model Code Explained, Specifications & Naming Convention
| Code Element | Technical Meaning |
|---|---|
| 69 | Series designation for deep groove ball bearings with specific dimension ratios |
| 09 | Bore diameter code (45 mm) |
| Open | No seals or shields, allowing for custom lubrication and high-speed operation |
| C0 clearance | Standard radial internal clearance (0.006-0.023mm) for general applications |
| ABEC-1 | Precision tolerance class ensuring consistent dimensional accuracy |
6909 Bearing Structural Features & Performance Benefits
Deep Groove Geometry: The optimized raceway design enables smooth operation and efficient radial load distribution, making it suitable for high-speed applications up to 11,000 rpm.
Premium Material Construction: Chrome steel rings and balls provide excellent wear resistance and fatigue life, while the stainless steel cage offers superior corrosion resistance and cage stability.
Precision Engineering: Manufactured to ABEC-1 tolerance standards with controlled C0 radial clearance, ensuring consistent performance and reliable operation in various applications.
Versatile Lubrication: The open design allows for customized lubrication strategies to optimize performance across the operating temperature range of -30°C to 110°C.
6909 Bearing Typical Application Areas
- Electric motors and generators requiring reliable radial support
- Industrial pumps and compressors for smooth rotational operation
- Material handling equipment and conveyor systems
- Agricultural machinery and automotive components
- General industrial machinery where precision and durability are essential
