RW4zz
RW Series Extended Inner Ring Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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RW4zz Bearing Product Overview & Core Advantages
The RW4zz is a single row deep groove ball bearing designed for high-performance applications requiring precision and reliability. Engineered with inch dimensions, this shielded bearing excels in handling radial loads with excellent operational stability. Its compact design and ABEC1 precision tolerance make it ideal for applications demanding consistent performance and minimal vibration. The extended inner ring facilitates easier mounting and secure positioning in assemblies.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| RW4 | Basic bearing designation with inch dimensions |
| zz | Double shielded construction on both sides |
RW4zz Bearing Structural Features & Performance Benefits
Optimized Load Capacity: Features 8 precision chrome steel balls with 0.0937" diameter, providing excellent radial load capacity (283 lbf dynamic / 112 lbf static).
Enhanced Contamination Protection: Double stainless steel shields (300 series) effectively retain lubrication and exclude contaminants, extending service life.
Precision Performance: Manufactured to ABEC1 tolerance class with controlled radial internal clearance (MC3: 0.00008" to 0.0005") for smooth, quiet operation.
High-Speed Capability: Stainless steel cage and optimized design enable operation up to 38,000 rpm limiting speed.
Extended Inner Ring: Provides additional mounting surface and facilitates precise axial positioning in applications.
RW4zz Bearing Typical Application Areas
- Precision instruments and measuring devices
- Small motors and miniature drive systems
- Medical equipment and dental handpieces
- Office automation equipment and printers
- Robotics and precision positioning systems
- Optical instruments and laboratory equipment
