RW3
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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RW3 Bearing Product Overview & Core Advantages
The RW3 is a precision single row deep groove ball bearing designed for reliable performance in demanding applications. Engineered with an extended inner ring for enhanced mounting stability, this bearing delivers exceptional radial load capacity and smooth operation. Manufactured to ABEC1 precision class standards, it ensures consistent performance and is ideal for applications requiring high reliability and dimensional accuracy in compact spaces.
RW3 Bearing Model Code Explained, Specifications & Naming Convention
| Code Element | Technical Significance |
|---|---|
| RW3 | Standard inch series designation for single row deep groove ball bearings with specific dimensions |
| Open | No seals or shields, allowing for maximum speed capability and easy relubrication |
| Extended Inner Ring | Provides additional mounting surface and improved axial location |
RW3 Bearing Structural Features & Performance Benefits
Optimized Load Distribution: The deep groove raceway and 7 high-precision chrome steel balls ensure efficient radial load distribution, supporting the dynamic load rating of 249 lbf and static load rating of 88 lbf.
High-Speed Capability: The stainless steel cage maintains ball spacing and alignment, enabling reliable operation at limiting speeds up to 43,000 rpm while minimizing friction and heat generation.
Precision Engineering: Manufactured to ABEC1 tolerance class with controlled radial internal clearance (MC3: 0.00008" to 0.0005"), ensuring consistent performance and reduced vibration in precision applications.
Wide Temperature Range: Constructed from chrome steel rings and balls, the bearing operates effectively across a temperature range of -86 to 230 °F, making it suitable for various industrial environments.
RW3 Bearing Typical Application Areas
- Small Electric Motors and precision motor applications
- Medical Equipment and dental handpieces requiring high-speed operation
- Precision Instruments and measuring devices
- Office Automation Equipment including printers and scanners
- Textile Machinery spindles and high-speed rotating components
- Robotics and automation systems requiring compact, reliable bearings
