699
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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699 Bearing Product Overview & Core Advantages
The 699 metric ball bearing is a single row deep groove ball bearing designed for high-performance applications requiring reliable radial load capacity. Constructed from high-grade chrome steel for both rings and balls, it offers excellent durability and wear resistance. With its compact dimensions (9mm bore, 20mm OD, 6mm width) and ABEC1 precision class, this bearing is engineered for smooth operation and long service life in a wide range of industrial machinery.
699 Bearing Model Code Explained, Specifications & Naming Convention
| Component | Code/Value | Technical Significance |
|---|---|---|
| Basic Designation | 699 | Denotes a metric, single row deep groove ball bearing with a 9mm bore. |
| Seal Type | Open | No integral seals; requires external sealing for contaminated environments. |
| Internal Clearance | MC3 (0.002mm to 0.013mm) | A standard radial internal clearance suitable for most general applications. |
| Cage Material | Stainless Steel | Provides high strength and corrosion resistance for the cage. |
| Tolerance Class | ABEC1 | A standard precision grade ensuring consistent performance and interchangeability. |
699 Bearing Structural Features & Performance Benefits
Optimized Deep Groove Design: The single row construction with deep, continuous raceways enables efficient handling of radial loads and moderate axial loads in both directions.
High-Grade Material Construction: The use of chrome steel (GCr15) for both the inner/outer rings and balls ensures high hardness, excellent contact fatigue life, and reliable operation.
Stainless Steel Cage: The stainless steel cage provides superior strength and corrosion resistance compared to pressed steel designs, contributing to stability at the limiting speed of 34,000 rpm.
Precision Engineering: Manufactured to ABEC1 tolerance standards, this bearing guarantees running accuracy, low vibration, and low noise levels.
699 Bearing Typical Application Areas
- Small Electric Motors: Ideal for spindle support in small DC motors, fans, and blowers.
- Precision Instruments: Used in optical encoders, gauges, and medical devices requiring smooth, precise rotation.
- Office Automation Equipment: Suitable for printers, scanners, and copiers.
- Light-Duty Power Tools: Applicable in small drills, grinders, and other handheld tools.
