RW144
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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RW144 Bearing Product Overview & Core Advantages
The RW144 is a high-precision single row deep groove ball bearing designed for exceptional performance in compact spaces. Manufactured to ABEC1 precision class standards, this bearing delivers reliable operation with a radial dynamic load rating of 54 lbf and capability to handle speeds up to 67,000 rpm. Its extended inner ring design facilitates easier mounting and positioning in precision assemblies, while the open construction allows for optimal lubrication flexibility in various industrial applications.
RW144 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Impact |
|---|---|---|
| RW144 | Basic bearing designation | Identifies inch-series deep groove ball bearing |
| Open Construction | No seals or shields | Allows for custom lubrication and higher speed capability |
| Extended Inner Ring | Inner ring width exceeds standard | Provides better axial location and mounting stability |
RW144 Bearing Structural Features & Performance Benefits
Precision Engineering: Manufactured from chrome steel rings and balls with stainless steel cage, the RW144 delivers exceptional dimensional stability and corrosion resistance. The MC3 radial clearance (0.00008" to 0.0005") ensures optimal performance under various operating conditions.
High-Speed Capability: The combination of 7 precision balls (0.0394" diameter) and optimized cage design enables operation at 67,000 rpm maximum speed, making it ideal for high-speed applications.
Enhanced Load Capacity: With a radial dynamic load rating of 54 lbf and static load rating of 17 lbf, this bearing provides reliable performance in radial load applications while maintaining compact dimensions.
Temperature Resilience: Operating temperature range of -86°F to 230°F ensures stable performance across diverse environmental conditions.
RW144 Bearing Typical Application Areas
- Precision Instruments: Optical encoders, measuring devices, and laboratory equipment
- Small Motors: Micro motors, DC motors, and spindle drives
- Medical Devices: Dental handpieces, surgical tools, and diagnostic equipment
- Office Automation: Printers, scanners, and copier mechanisms
- Robotics: Small robotic joints and precision positioning systems
- Aerospace Components: Guidance systems and instrumentation
