692zz
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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692zz Bearing Product Overview & Core Advantages
The 692zz is a precision miniature ball bearing engineered for compact applications demanding reliable performance. As a single row deep groove ball bearing, it is primarily designed to support radial loads efficiently. Its shielded (ZZ) construction provides effective protection against contaminant ingress while retaining lubrication, making it suitable for high-speed operation and applications where space is at a premium. Manufactured to ABEC1 precision standards, it offers a dependable balance of performance and value for a wide range of industrial and commercial equipment.
692zz Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 69 | Series designation for extra-small, thin-section bearings | Indicates a compact design with a 2mm bore. |
| 2 | Bore diameter code (2 mm) | Specifies the inner diameter dimension. |
| ZZ | Shielded on both sides | Provides non-contact metal shields for contamination protection and low torque. |
692zz Bearing Structural Features & Performance Benefits
- Deep Groove Raceway & Single Row Design: Optimized for handling radial loads and moderate axial loads in both directions, ensuring smooth rotation.
- Shielded Construction (ZZ): The 300 series stainless steel shields protect the internal components from dust and debris, extending bearing service life without significantly increasing rotational torque.
- High-Grade Materials: Constructed from chrome steel rings and balls with a stainless steel cage, offering excellent durability and corrosion resistance.
- High-Speed Capability: The lightweight stainless steel cage and optimized internal geometry contribute to a high limiting speed of 75,000 rpm, making it a capable high-speed bearing.
- Precision Engineering: Manufactured to ABEC1 tolerance class with a controlled radial internal clearance (MC3), ensuring consistent performance and low noise operation.
692zz Bearing Typical Application Areas
- Small DC Motors and Stepper Motors
- Precision Instruments and Optical Encoders
- Office Automation Equipment (e.g., printers, scanners)
- Medical Devices and Dental Handpieces
- Robotics and RC Models
- Computer Cooling Fans