SRW2zz
SRW Series Stainless Steel 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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SRW2zz Bearing Product Overview & Core Advantages
The SRW2zz is a single row deep groove ball bearing designed for high-performance applications requiring precision and reliability. Manufactured entirely from stainless steel, it offers excellent corrosion resistance. Its key advantage lies in its ability to support significant radial loads while operating at high speeds. The inclusion of stainless steel shields (ZZ) provides effective contaminant protection, making it a compact and durable solution for demanding environments.
SRW2zz Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Interpretation | Technical Significance |
|---|---|---|
| SRW | Series Prefix | Denotes a specific series of miniature and instrument ball bearings. |
| 2 | Bore Size Code | Corresponds to a bore diameter of 1/8" (0.125"). |
| zz | Shield Code | Indicates the bearing is equipped with non-contact shields on both sides, offering protection against contaminants with minimal impact on limiting speed. |
SRW2zz Bearing Structural Features & Performance Benefits
- Deep Groove Raceway & Single Row Design: Optimized for handling high radial dynamic load ratings (109 lbf), providing robust performance in compact spaces.
- Full Stainless Steel Construction: Rings, balls, cage, and shields are all made from stainless steel, ensuring superior corrosion resistance and suitability for a wide temperature range (-86 to 230 °F).
- Non-Contact Shields (ZZ): These shields protect the internal components from dust and debris without significant friction, allowing for a high limiting speed of 50,400 rpm.
- ABEC 1 Precision: This tolerance class ensures consistent quality and reliable operation for a wide range of industrial applications.
- MC3 Internal Clearance: Provides a specific range of internal play (0.00008" to 0.0005"), which is suitable for many general-purpose applications.
SRW2zz Bearing Typical Application Areas
The SRW2zz is ideally suited for applications requiring small bearing dimensions, corrosion resistance, and high-speed capability. Its typical uses include:
- Precision Instruments and Medical Devices
- Small Electric Motors and Servo Drives
- Office Automation Equipment (e.g., Printers, Scanners)
- Radio Control Models and Drones
- Low-Torque, High-Speed Spindles
