SMR52zz
SMR Series Stainless Steel Miniature Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Inner Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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SMR52zz Bearing Product Overview & Core Advantages
The SMR52zz is a miniature deep groove ball bearing engineered for precision applications requiring compact design and reliable performance. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its shielded design provides effective protection against contamination while maintaining low friction. This bearing is designed to handle primarily radial loads and is characterized by its ABEC1 precision class, making it suitable for high-speed operations up to 76,500 rpm. Its small size, lightweight (0.2g), and robust construction make it an ideal choice for applications demanding high reliability in a minimal footprint.
SMR52zz Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| zz | Shielded on both sides | Provides effective contamination protection, retaining lubricant and excluding debris, contributing to longer service life. |
SMR52zz Bearing Structural Features & Performance Benefits
- Deep Groove Raceway & Single Row Design: Optimized for high radial load capacity, ensuring stable operation under demanding conditions.
- Full Stainless Steel Construction: Rings, balls, and cage are made from stainless steel, providing superior corrosion resistance and durability, suitable for harsh environments.
- Shielded Sealing (zz): Non-contact steel shields protect the internal components from contaminants while allowing for high-speed operation with minimal friction increase.
- ABEC1 Precision Class: Manufactured to tight dimensional tolerances, ensuring smooth and quiet running, which is critical for precision instruments.
- MC3 Radial Clearance: Provides optimal internal clearance for a wide range of operating temperatures and speeds, balancing load distribution and minimizing heat generation.
SMR52zz Bearing Typical Application Areas
- Small Precision Motors (e.g., stepper motors, coreless motors)
- Medical and Dental Handpieces
- Optical Encoders and Precision Instrumentation
- Small Fans and Blowers
- Office Automation Equipment (printers, scanners)
- Radio Control Models and Drones
