679 2rs
600 Series Miniature Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Inner Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
679 2rs Bearing Product Overview & Core Advantages
The 679 2RS is a metric miniature deep groove ball bearing designed for compact applications requiring reliable performance. This single row bearing features integral rubber seals (2RS) on both sides, providing excellent protection against contamination while retaining lubrication. Its primary advantages include its small bore diameter of 9 mm and compact cross-section, making it ideal for space-constrained assemblies. Manufactured with chrome steel rings and balls combined with a stainless steel cage, it offers dependable operation across various industrial applications.
679 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 679 | Basic bearing series designation indicating a metric miniature deep groove ball bearing with 9mm bore, 14mm OD, and 4.5mm width |
| 2RS | Double rubber contact seals providing superior contamination protection and effective grease retention |
679 2rs Bearing Structural Features & Performance Benefits
Robust Sealing System: The double rubber seals (2RS) create an effective barrier against dust, moisture, and other contaminants while maintaining lubricant integrity, extending service life in challenging environments.
Precision Engineering: Manufactured to ABEC1 tolerance class with MC3 radial internal clearance (0.002mm to 0.013mm), ensuring consistent performance and smooth operation.
Optimized Load Capacity: With a radial dynamic load rating of 176 lbf and radial static load rating of 84 lbf, this bearing handles substantial radial loads despite its miniature dimensions.
High-Speed Capability: The stainless steel cage and precision construction enable a limiting speed of 36,000 rpm, suitable for high-speed miniature applications.
Material Excellence: Chrome steel rings and balls provide durability and wear resistance, while the stainless steel cage offers corrosion resistance and structural stability.
679 2rs Bearing Typical Application Areas
- Small electric motors and miniature DC motors
- Precision instruments and laboratory equipment
- Office automation devices including printers and scanners
- Medical devices and dental handpieces
- Robotics and miniature gearboxes
- Computer cooling fans and small pumps
- Audio-visual equipment and optical devices
