W 623-2Z
W Series Stainless Steel Miniature Bearings
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Materials
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W 623-2Z Bearing Product Overview & Core Advantages
The W 623-2Z is a miniature deep groove ball bearing designed for precision applications requiring compact dimensions and reliable performance. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its key advantage lies in its ability to handle radial loads efficiently while its shielded (2Z) design provides protection against contamination and retains lubrication, making it suitable for applications demanding low maintenance and long service life in challenging environments.
W 623-2Z Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| W | Designates a stainless steel deep groove ball bearing. |
| 623 | Indicates the bearing size series: 3mm bore, 10mm OD, 4mm width. |
| 2Z | Signifies shields on both sides. This provides effective protection against solid contaminants while being a non-contact seal, minimizing friction and allowing for higher speeds compared to contact seals. |
W 623-2Z Bearing Structural Features & Performance Benefits
Compact & Robust Design: The single row deep groove raceway and optimized geometry provide a compact solution with a high load rating for its miniature bearing dimensions.
Corrosion Resistance: Manufactured from stainless steel for the rings, balls, and cage, this bearing is ideal for applications exposed to moisture, chemicals, or requiring frequent washdowns.
Shielded Protection: The 2Z shields protect the internal components from dust and other particulates, significantly extending bearing life and reliability. The pre-applied grease lubrication is retained, promoting smooth operation.
Precision Performance: Built to P0 tolerance class and standard CN radial internal clearance, it ensures consistent and reliable operation in a wide range of precision mechanisms.
W 623-2Z Bearing Typical Application Areas
The W 623-2Z is ideally suited for compact, high-speed, and corrosion-resistant applications, including:
- Small Electric Motors (e.g., in drones, small fans, and precision instruments)
- Medical and Dental Equipment
- Precision Instrumentation and optical devices
- Office Automation Equipment (printers, scanners)
- Radio-controlled models and small gearboxes
