F689 2rs
F Series Flanged Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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F689 2rs Bearing Product Overview & Core Advantages
The F689 2rs is a metric single row deep groove ball bearing designed for high-performance applications requiring reliable radial load capacity in compact spaces. Its sealed construction with nitrile rubber contact seals (2RS) provides superior protection against contaminants while retaining lubrication, making it suitable for applications demanding long service life and minimal maintenance. Manufactured to ABEC1 precision tolerances with chrome steel components, this bearing delivers consistent performance and durability across a wide temperature range from -30°C to 110°C.
F689 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| F689 | Basic bearing designation indicating 9mm bore diameter, 17mm outside diameter, and 5mm width | Standardized dimensions for easy interchangeability and mounting |
| 2RS | Bilateral nitrile rubber contact seals | Excellent contamination protection and grease retention for extended lubrication intervals |
F689 2rs Bearing Structural Features & Performance Benefits
Optimized Deep Groove Design: The single row deep groove raceway geometry enables efficient radial load distribution and accommodates moderate axial loads in both directions, providing versatile load-handling capability.
Sealed Protection System: The bilateral nitrile rubber contact seals (2RS) create an effective barrier against dust, moisture, and other contaminants while maintaining low friction characteristics. This design significantly extends bearing service life in challenging environments.
Precision Engineering: Manufactured to ABEC1 tolerance class with chrome steel rings and balls, combined with a stainless steel cage that ensures stable ball guidance and optimal performance at the limiting speed of 36,000 rpm.
Compact Flange Design: The integrated flange (19mm outer diameter, 1.1mm thickness) facilitates secure mounting and axial location, particularly useful in applications where space constraints prevent traditional locking devices.
F689 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 equipment components and dental handpieces
- Robotics and small automation mechanisms
- Consumer electronics requiring quiet, reliable operation
- Power tools and small gearboxes
