W 619/4 R-2RS1
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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W 619/4 R-2RS1 Bearing Product Overview & Core Advantages
The W 619/4 R-2RS1 is a miniature deep groove ball bearing designed for precision applications requiring compact dimensions and reliable performance. As a single row, sealed bearing, it excels in handling primarily radial loads while offering protection from contamination. Constructed entirely from stainless steel, it provides excellent corrosion resistance. Its key advantages include a compact flanged design for secure mounting, pre-lubrication for immediate use, and suitability for high-speed operation up to 36,000 rpm, making it ideal for demanding, space-constrained environments.
W 619/4 R-2RS1 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| W | Stainless Steel Bearing |
| 619/4 | Bearing series and size designation (4 mm bore) |
| R | Flanged Outer Ring |
| 2RS1 | Contact Seals on Both Sides |
W 619/4 R-2RS1 Bearing Structural Features & Performance Benefits
- Flanged Design: The integrated flange on the outer ring simplifies bearing mounting and axial location, enhancing assembly accuracy and stability in housings.
- Double-Sided Contact Seals (2RS1): Provide superior protection against the ingress of contaminants like dust and moisture, ensuring long-term reliability and extending bearing service life in harsh environments.
- Full Stainless Steel Construction: The rings, balls, and cage are made from stainless steel, offering excellent corrosion resistance and making the bearing suitable for applications exposed to chemicals, water, or high humidity.
- Pre-Lubricated with Grease: The bearing is factory-filled with grease, making it ready-to-use and maintenance-free for the majority of its application life.
- High-Speed Capability: Optimized internal geometry and effective sealing enable a high limiting speed of 36,000 rpm, suitable for demanding miniature drives.
W 619/4 R-2RS1 Bearing Typical Application Areas
The W 619/4 R-2RS1 is ideally suited for precision mechanisms and compact devices, including:
- Small Electric Motors (e.g., in drones, precision tools)
- Medical and Dental Handpieces
- Office Automation Equipment (printers, scanners)
- Instrumentation and Control Devices
- Radio-Controlled Models and Robotics
