609
600 Series Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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609 Bearing Product Overview & Core Advantages
The 609 metric ball bearing is a single row deep groove ball bearing engineered for reliable performance in a wide range of industrial applications. Characterized by its compact design with a 9 mm bore, 24 mm outside diameter, and 7 mm width, this bearing is optimized for high-speed operation with a limiting speed of 32,000 rpm. Manufactured to ABEC1 precision tolerances, it provides consistent operation and is designed primarily to handle radial loads efficiently. The open design allows for versatile lubrication options, making it suitable for applications requiring custom lubrication regimes.
609 Bearing Model Code Explained, Specifications & Naming Convention
| Code Element | Technical Significance |
|---|---|
| 609 | Standard metric series designation for a single row deep groove ball bearing with 9mm bore |
| Open | No seals or shields, allowing for maximum speed capability and custom lubrication |
| MC3 | Standard radial internal clearance group (0.002mm to 0.013mm) for general applications |
| ABEC1 | Precision tolerance class ensuring consistent dimensional accuracy |
609 Bearing Structural Features & Performance Benefits
The 609 bearing's performance stems from its optimized single row design and material selection. The chrome steel rings and chrome steel balls provide excellent wear resistance and durability, while the stainless steel cage ensures reliable ball guidance and high-speed capability. With 7 precision balls of 3.969 mm diameter, the bearing achieves optimal load distribution and smooth operation. The MC3 radial clearance (0.002mm to 0.013mm) accommodates thermal expansion during high-speed operation, while the tight dimensional tolerances (-0.008mm on bore and OD) ensure precise fitment and alignment. The radial dynamic load rating of 642 lbf and static load rating of 260 lbf make it suitable for applications requiring reliable performance under substantial radial loads.
609 Bearing Typical Application Areas
- Electric motors and small precision motors
- Power tools and handheld equipment
- Office machinery including printers and scanners
- Medical devices and laboratory equipment
- Robotics and automation systems
- Textile machinery components
- HVAC systems and fan assemblies
