6706
6700 Series Thin Section Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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6706 Bearing Product Overview & Core Advantages
The **6706 metric ball bearing** is a precision-engineered **single row deep groove ball bearing** designed for high-performance applications requiring exceptional reliability. This **open-type bearing** delivers outstanding **radial load capacity** while accommodating moderate axial loads in both directions. Manufactured to **ABEC-1 precision tolerance**, it ensures smooth operation and minimal vibration. Its compact design with a 4mm width makes it ideal for space-constrained assemblies where **high rotational speeds** up to 7,000 rpm are required. The bearing's **chrome steel construction** provides excellent durability and wear resistance in demanding industrial environments.
6706 Bearing Model Code Explained, Specifications & Naming Convention
| Code Element | Technical Meaning | Performance Impact |
|---|---|---|
| 6706 | Basic bearing designation (30mm bore, 37mm OD) | Standard **bearing dimensions** for common applications |
| Open Type | No seals or shields | Enables **higher speed operation** and custom lubrication |
| C0 Clearance | Normal radial internal clearance (0.006-0.020mm) | Optimal for most applications with moderate temperature variations |
6706 Bearing Structural Features & Performance Benefits
Optimized Deep Groove Design: The **single row deep groove ball bearing** geometry provides excellent **radial load capacity** (256 lbf dynamic, 213 lbf static) while handling combined loads effectively. The deep raceway grooves enable smooth operation under various loading conditions.
Precision Manufacturing: Manufactured to **ABEC-1 tolerance class** with tight dimensional control (bore tolerance: -0.01mm to 0), ensuring consistent performance and easy installation. The **stainless steel cage** provides superior strength and corrosion resistance, contributing to the bearing's **high-speed capability**.
Material Excellence: Constructed from **chrome steel** for both rings and balls, delivering exceptional hardness and fatigue resistance. This material selection ensures extended service life even under continuous operation within the **temperature range** of -30°C to 110°C.
Flexible Lubrication: As an **open bearing**, it allows for customized lubrication strategies based on specific application requirements, enabling optimization for **speed performance** and environmental conditions.
6706 Bearing Typical Application Areas
- Small Electric Motors: Ideal for compact motors requiring **high-speed operation** and reliable performance
- Precision Instruments: Suitable for medical devices, optical equipment, and measuring instruments where **ABEC-1 precision** is essential
- Office Automation Equipment: Used in printers, scanners, and copiers for smooth, quiet operation
- Industrial Tools: Applications in small power tools and pneumatic equipment requiring **radial load capacity**
- Robotics and Automation: Compact joints and positioning systems where space constraints and **precision movement** are critical
