D/W R2-5 R-2Z
D/W Series Stainless Steel Flanged Miniature Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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D/W R2-5 R-2Z Bearing Product Overview & Core Advantages
The D/W R2-5 R-2Z is a precision miniature ball bearing designed for demanding applications requiring high reliability in compact spaces. As a single row radial ball bearing with shielded construction, it delivers excellent performance for high-speed operation while providing effective protection against contamination. Manufactured entirely from stainless steel, it offers superior corrosion resistance, making it ideal for applications where durability and long service life are critical. Its compact design, with a bore diameter of just 0.125", provides a robust solution for transmitting radial loads in precision mechanisms.
D/W R2-5 R-2Z Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| D/W | Manufacturer designation (Diamond/Wheeler) |
| R2-5 | Bearing series and size code (0.125" bore, 0.3125" OD) |
| R | Flanged outer ring design |
| 2Z | Shielded on both sides for contaminant protection |
D/W R2-5 R-2Z Bearing Structural Features & Performance Benefits
Flanged Design for Secure Mounting: The integrated flange on the outer ring simplifies bearing mounting and positioning, ensuring accurate alignment and reducing assembly time and cost.
Shielded Construction for Contamination Resistance: The 2Z shields provide effective protection against dust and other particulates, enhancing bearing life in challenging environments while retaining lubricant.
Full Stainless Steel Construction: All components, including rings, balls, and cage, are manufactured from stainless steel, providing excellent corrosion resistance and suitability for washdown environments or applications exposed to moisture.
Pre-Greased for Immediate Use: Factory-filled grease lubrication ensures immediate operation and reduces maintenance requirements, supporting a limiting speed of 75,000 rpm.
Precision Tolerances: Manufactured to ABEC 1 (P0) tolerance class with CN radial internal clearance, ensuring consistent performance and smooth operation.
D/W R2-5 R-2Z Bearing Typical Application Areas
- Precision Instruments and measurement devices
- Small Motors and miniature gearboxes
- Medical devices and dental handpieces
- Office automation equipment and small fans
- Robotics and miniature automation systems
- Optical encoders and positioning systems
