RW2-5
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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RW2-5 Bearing Product Overview & Core Advantages
The RW2-5 is a precision single row deep groove ball bearing designed for reliable performance in compact applications. Manufactured to ABEC1 tolerance class, this inch-series bearing delivers exceptional radial load capacity while maintaining precise dimensional stability. Its extended inner ring facilitates secure mounting and simplifies installation in space-constrained designs. The bearing's chrome steel construction ensures durability across a wide temperature range from -86 to 230 °F, making it suitable for demanding industrial environments.
RW2-5 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| RW2-5 | Standard inch-series designation indicating bore diameter (0.125") and dimensional series |
| Open | No seals or shields, allowing for maximum speed capability and custom lubrication options |
| Extended Inner Ring | Provides additional mounting surface and axial location capability |
RW2-5 Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to ABEC1 standards with tight dimensional tolerances (±0.0003") ensuring consistent performance and reliable operation in precision applications.
Optimized Load Capacity: Features a deep groove raceway design that efficiently handles radial loads up to 107 lbf (dynamic) and 32 lbf (static), supported by six precision-ground chrome steel balls.
Enhanced Speed Performance: The stainless steel cage and open design enable operation at limiting speeds up to 60,000 rpm, making it suitable for high-speed applications.
Precise Internal Clearance: With MC3 radial internal clearance (0.00008" to 0.0005"), the bearing maintains optimal performance under various operating conditions and temperature ranges.
RW2-5 Bearing Typical Application Areas
- Precision Instruments: Laboratory equipment, measuring devices, and optical instruments requiring high rotational accuracy
- Small Motors: Micro motors, stepper motors, and DC brushless motors where compact size and reliability are critical
- Medical Devices: Dental handpieces, surgical tools, and diagnostic equipment demanding precision and cleanliness
- Office Automation: Printers, scanners, and copiers requiring quiet operation and long service life
- Robotics: Small robotic joints, actuators, and positioning systems needing precise motion control
