RW1-4
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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RW1-4 Bearing Product Overview & Core Advantages
The RW1-4 is a precision miniature ball bearing designed for applications requiring high reliability in compact spaces. As a single row deep groove ball bearing with an extended inner ring, it excels at handling radial loads while offering excellent operational smoothness. Manufactured to ABEC1 precision class with chrome steel components, this bearing provides consistent performance and durability for demanding industrial applications where space is at a premium.
RW1-4 Bearing Model Code Explained, Specifications & Naming Convention
| Code Element | Technical Meaning |
|---|---|
| RW1-4 | Standard designation for this specific miniature bearing series with inch dimensions |
| Open | No seals or shields, allowing for custom lubrication schemes and maximum speed capability |
| Extended Inner Ring | Provides additional mounting surface and facilitates precise axial positioning |
RW1-4 Bearing Structural Features & Performance Benefits
Optimized Load Capacity: The deep groove raceway and 7 precision balls configuration enables efficient handling of radial loads up to 54 lbf dynamic capacity, while the extended inner ring enhances mounting stability.
High-Speed Capability: Featuring a stainless steel cage and optimized internal geometry, this bearing achieves a limiting speed of 67,000 rpm, making it suitable for high-speed miniature applications.
Precision Engineering: Manufactured to ABEC1 tolerance class with controlled radial internal clearance (MC3: 0.00008" to 0.0005"), ensuring smooth operation and minimal vibration in precision mechanisms.
Material Excellence: Constructed from chrome steel rings and balls with stainless steel cage, providing excellent wear resistance and corrosion protection in demanding environments.
RW1-4 Bearing Typical Application Areas
- Precision instruments and laboratory equipment
- Small motors and miniature drive systems
- Medical devices and dental handpieces
- Optical positioning systems and scanners
- Robotics and automation components
- Electronic manufacturing equipment
- Aerospace instrumentation and control systems
