RW166
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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RW166 Bearing Product Overview & Core Advantages
The RW166 is a single row deep groove ball bearing designed for precision radial load applications. Manufactured to ABEC1 precision class, this inch-series bearing delivers reliable performance in compact spaces with its 0.1875" bore and 0.375" outside diameter. The extended inner ring facilitates easier mounting and positioning, while the chrome steel construction ensures durability and consistent operation across a wide temperature range from -86 to 230 °F. Its optimized design supports high-speed operation up to 50,000 rpm, making it ideal for applications requiring precise rotational accuracy.
Model Code Detailed Explanation
| Code Element | Technical Meaning |
|---|---|
| RW166 | Basic bearing designation with inch dimensions |
| Open | No seals or shields - requires external lubrication |
| Extended Inner Ring | Facilitates mounting and axial positioning |
| MC3 Clearance | Radial internal clearance of 0.00008" to 0.0005" |
RW166 Bearing Structural Features & Performance Benefits
Engineered for optimal performance, the RW166 features a single row deep groove raceway that efficiently handles radial loads up to 136 lbf dynamic capacity. The stainless steel cage precisely positions eight 0.0625" chrome steel balls, ensuring smooth operation at high speeds. The extended inner ring design provides enhanced mounting stability and simplifies installation in precision assemblies. With MC3 radial clearance, this bearing accommodates thermal expansion while maintaining precise running accuracy. The open construction allows for custom lubrication schemes tailored to specific application requirements, while the compact 0.125" width enables space-efficient designs without compromising load capacity.
RW166 Bearing Typical Application Areas
- Precision instruments and measuring devices
- Small motors and miniature drive systems
- Medical equipment components and dental handpieces
- Office automation devices and precision mechanisms
- Robotic joints and miniature automation systems
- Aerospace instrumentation and control systems
