FRW1-4zz
FRW Series Extended Inner Ring 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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FRW1-4zz Bearing Product Overview & Core Advantages
The FRW1-4zz is a single row deep groove ball bearing designed for exceptional performance in compact spaces. Engineered with inch dimensions and manufactured to ABEC1 precision tolerances, this bearing is ideal for applications requiring reliable radial load support. Its shielded construction provides effective contamination protection, while the extended inner ring facilitates easier mounting and axial location. This bearing offers a robust solution for high-speed operation, with a limiting speed of 110,000 rpm, making it a versatile component for precision mechanisms.
FRW1-4zz Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance |
|---|---|---|
| zz | Shielded on both sides | Provides effective protection against dust and debris, extending bearing life and reducing maintenance needs. |
| Extended Inner Ring | Inner ring extends beyond bearing width | Simplifies axial positioning and facilitates secure mounting in assemblies. |
FRW1-4zz Bearing Structural Features & Performance Benefits
Optimized Load Capacity: The deep groove raceway and seven precision chrome steel balls provide excellent radial dynamic load rating of 54 lbf, ensuring reliable performance under substantial loads.
High-Speed Capability: Featuring a stainless steel cage and optimized internal geometry, this bearing achieves a remarkable limiting speed of 110,000 rpm, making it suitable for high-rotation applications.
Enhanced Protection: The 300 series stainless steel shields effectively retain lubrication and exclude contaminants, while the MC3 radial internal clearance (0.00008" to 0.0005") ensures optimal performance across various operating conditions.
Precision Engineering: Manufactured to ABEC1 tolerance class with tight dimensional control on bore, outside diameter, and width, guaranteeing consistent performance and interchangeability.
FRW1-4zz Bearing Typical Application Areas
- Small Precision Motors: Ideal for miniature DC motors and stepper motors requiring high-speed operation
- Medical Devices: Suitable for surgical handpieces, dental tools, and diagnostic equipment
- Office Automation: Used in printers, scanners, and copiers for paper feed mechanisms
- Instrumentation: Perfect for encoders, gauges, and measuring devices requiring precise rotation
- Robotics: Applied in small robotic joints and actuator systems
