W 61900
W Series Stainless Steel Bearings
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Basic Information
Main Dimensions
Performance
Materials
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Product Overview and Core Advantages
The W 61900 is a metric single row deep groove ball bearing engineered for precision radial load applications. Manufactured entirely from stainless steel (rings, balls, and cage), it offers excellent corrosion resistance and is suitable for operating temperatures from -30°C to 120°C. Its compact design, with a 10 mm bore and 6 mm width, provides a high load capacity in a minimal space. The bearing features a CN radial internal clearance and a P0 tolerance class, making it a reliable and cost-effective solution for applications requiring smooth operation and long service life.
W 61900 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| W | Designates a series of stainless steel, miniature, and instrument bearings. |
| 61900 | Indicates the bearing size series (619) and the specific bore diameter (00 corresponds to a 10 mm bore). |
| Open (Seal Type) | No seals or shields, allowing for higher limiting speeds and easy re-lubrication, but requiring a clean operating environment. |
| P0 (Tolerance Class) | Standard dimensional and geometrical tolerance per ISO standards. |
| CN (Radial Clearance) | Normal radial internal clearance group. |
Structural Features and Performance Benefits
- All-Stainless-Steel Construction: The use of stainless steel for all critical components provides superior corrosion resistance, making it ideal for applications exposed to moisture, chemicals, or washdowns. This enhances bearing longevity and reliability.
- High-Speed Capability: The open design and precision-ground components contribute to a high limiting speed of 45,000 rpm, suitable for demanding high-rotation applications.
- Robust Load Capacity: The deep groove raceway and single-row design are optimized to support significant radial dynamic load ratings (526 lbf) and static loads, ensuring stable performance under stress.
- Precision Engineering: Manufactured to P0 tolerance class with a CN clearance, this bearing offers consistent, low-noise, and low-vibration operation, which is critical for precision instruments.
- Flexible Lubrication: The open structure allows for a wide choice of lubricants tailored to specific application needs, such as high temperatures or extreme environments.
W 61900 Bearing Typical Application Areas
- Precision Instruments and Medical Devices: Ideal for small motors, encoders, and surgical hand tools where compact size, corrosion resistance, and smooth operation are paramount.
- Small Electric Motors and Fans: Used in high-speed miniature motors for drones, computer cooling fans, and office automation equipment.
- Food and Beverage Processing Equipment: The stainless steel construction meets hygiene standards for machinery in washdown environments.
- Office and Business Machines: Applicable in printers, scanners, and copiers for precise paper handling mechanisms.