619/6
618 & 619 Series Thin Section Bearings
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619/6 Bearing Product Overview & Core Advantages
The 619/6 is a metric miniature deep groove ball bearing designed for applications demanding high precision and compact design. As a single row, open bearing, it excels at handling radial loads efficiently. Manufactured with chrome steel rings and balls, and a stainless steel cage, it offers excellent durability and reliable performance in a wide temperature range. Its P6 tolerance class ensures superior running accuracy, making it ideal for high-speed, precision mechanisms.
619/6 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 619 | Series designation for extra-small, ultra-thin section deep groove ball bearings. |
| /6 | Indicates a bore diameter of 6 mm. |
| (No Seal Suffix) | The bearing is open, allowing for high-speed operation and easy re-lubrication if required. |
619/6 Bearing Structural Features & Performance Benefits
The design of the 619/6 bearing translates directly into key performance benefits:
- High Precision & Speed: The combination of a P6 tolerance class and a lightweight stainless steel cage enables smooth operation and a high limiting speed of 63,000 rpm, which is critical for miniature high-speed applications.
- Robust Load Capacity: The deep groove raceway and chrome steel construction provide a reliable radial dynamic load rating of 199 lbf, ensuring long service life under load.
- Compact and Lightweight: With an outside diameter of just 15 mm and a width of 5 mm, this bearing offers a space-saving solution with a minimal weight of 0.0035 kg.
- Wide Operating Range: The specified materials allow for operation in a temperature range from -30°C to 120°C, providing versatility for various environments.
619/6 Bearing Typical Application Areas
The 619/6 miniature deep groove ball bearing is engineered for precision applications, including:
- Small Precision Motors and stepper motors
- Medical and Dental Handpieces
- Office automation equipment such as printers and scanners
- Instrumentation and precision measuring devices
- Small gearboxes and robotic joints
