FR6zz
FR 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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FR6zz Bearing Product Overview & Core Advantages
The FR6zz is a single row deep groove ball bearing designed for high-performance industrial applications requiring reliable radial load capacity and consistent operation. Featuring inch dimensions and shielded construction, this precision bearing offers excellent protection against contamination while maintaining smooth rotation. Its compact design with a 0.375" bore and 0.875" outer diameter makes it ideal for space-constrained applications where dependable performance is critical.
FR6zz Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
| FR6 | Bearing series designation with specific inch dimensions | Standardized sizing for compatibility and interchangeability |
| zz | Double-sided metal shields (non-contact type) | Effective contamination protection while maintaining high-speed capability |
FR6zz Bearing Structural Features & Performance Benefits
Optimized Load Distribution: The single row deep groove design with 7 precision chrome steel balls ensures efficient radial load distribution, supporting dynamic loads up to 638 lbf and static loads of 256 lbf.
Enhanced Durability: Constructed from chrome steel rings and balls with stainless steel cage, providing excellent wear resistance and corrosion protection for extended service life.
High-Speed Performance: The stainless steel cage and optimized bearing dimensions enable operation at limiting speeds up to 32,000 rpm, making it suitable for demanding rotational applications.
Precision Engineering: Manufactured to ABEC1 tolerance class with MC3 radial internal clearance (0.00008" to 0.0005"), ensuring consistent performance and smooth operation.
Contamination Protection: 300 series stainless steel shields provide effective sealing against dust and particulate matter while minimizing friction losses.
FR6zz Bearing Typical Application Areas
- Small Electric Motors: Ideal for fractional horsepower motors requiring reliable precision bearing performance
- Industrial Pumps: Suitable for centrifugal and gear pumps where consistent radial load support is essential
- Office Equipment: Used in printers, copiers, and scanners for smooth rotational motion
- Medical Devices: Applicable in small medical instruments and laboratory equipment requiring precise movement
- Robotics & Automation: Perfect for small robotic joints and automation components needing compact ball bearing solutions
- Power Tools: Suitable for small handheld tools requiring durable bearing performance
