SFR133zz
SFR Series Stainless Steel Flanged Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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SFR133zz Bearing Product Overview & Core Advantages
The SFR133zz is a miniature single row ball bearing engineered for precision and reliability in compact applications. Constructed entirely from stainless steel and featuring integral shields, this bearing is designed to handle radial loads efficiently. Its inch-series dimensions, including a 0.09375" bore, make it an ideal choice for applications demanding high precision and corrosion resistance in a minimal footprint. The bearing offers a robust solution for high-speed operation up to 72,000 rpm, ensuring performance and longevity in demanding environments.
SFR133zz Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| SFR | Manufacturer Series Designation | Indicates a specific family of miniature flanged bearings. |
| 133 | Size Code | Defines the specific bearing dimensions (Bore: 0.09375", OD: 0.1875"). |
| zz | Shield Code | Signifies that the bearing is equipped with shields on both sides. This provides effective protection against contamination while maintaining suitability for high-speed applications. |
SFR133zz Bearing Structural Features & Performance Benefits
Robust Stainless Steel Construction: All components, including rings, balls, cage, and shields, are made from stainless steel. This provides excellent corrosion resistance and makes the bearing suitable for use in harsh environments and within a wide temperature range of -86 to 230 °F.
Flanged Design for Secure Mounting: The integrated flange (OD: 0.234") facilitates easy and precise axial location during assembly, simplifying installation and enhancing positional stability in housings.
Shielded for Contamination Protection: The non-contact zz shields protect the bearing's interior from dust and debris, extending service life and reducing maintenance needs without significantly impacting the limiting speed.
Optimized for High-Speed Operation: With a limiting speed of 72,000 rpm and a stainless steel cage guiding the 7 precision balls, the SFR133zz is engineered for smooth, reliable performance in high-speed applications.
SFR133zz Bearing Typical Application Areas
The SFR133zz is ideally suited for a wide range of miniature and precision equipment, including:
- Small Precision Motors and Stepper Motors
- Medical Devices and Dental Handpieces
- Optical Encoders and Scanning Mechanisms
- Office Automation Equipment (e.g., Printers, Scanners)
- Instrumentation and Laboratory Equipment
- Radio-Controlled Models and Drones
