61800/W64
618 & 619 Series Thin Section Bearings
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61800/W64 Bearing Product Overview & Core Advantages
The 61800/W64 is a miniature deep groove ball bearing designed for applications demanding compact size and reliable performance. This single row, open-type bearing excels in handling primarily radial loads and is characterized by its high precision ABEC 1 tolerance class. Its compact design, featuring a 10 mm bore and 5 mm width, makes it an ideal solution for space-constrained assemblies requiring smooth operation and long service life, supported by its integrated Soild Oil lubrication.
61800/W64 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 61800 | Standard series designation for a miniature, deep groove ball bearing. |
| W64 | Indicates the bearing is pre-lubricated with Soild Oil, a polymer-based lubricant that provides long-term, maintenance-free operation. |
61800/W64 Bearing Structural Features & Performance Benefits
- High Precision & Reliability: Manufactured to ABEC 1 (ISO P0) tolerance standards with a standard CN radial internal clearance, ensuring consistent performance and smooth running in a wide range of applications.
- Maintenance-Free Operation: The integrated Soild Oil lubrication eliminates the need for re-lubrication, reduces contamination risk, and provides stable performance across the specified temperature range (-30° to 120 °C).
- Robust Load Capacity: Constructed entirely from chrome steel for rings, balls, and cage, this bearing offers a dynamic load rating of 387 lbf and a static load rating of 187 lbf, providing durability under radial loads.
- Compact and Lightweight: With an outer diameter of just 19 mm and a weight of only 0.0053 kg, it is engineered for applications where minimizing size and mass is critical.
61800/W64 Bearing Typical Application Areas
- Small precision motors and gearboxes
- Medical and dental handpieces
- Office automation equipment (printers, scanners)
- Instrumentation and control devices
- Various miniature and sub-miniature mechanical drives