W 625/W64
W Series Stainless Steel Miniature Bearings
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W 625/W64 Bearing Product Overview & Core Advantages
The W 625/W64 is a metric single row deep groove ball bearing designed for exceptional performance in compact applications. Engineered with stainless steel construction throughout its rings and balls, it offers excellent corrosion resistance. This bearing is pre-lubricated with Solid Oil, providing long-term, maintenance-free operation across a wide temperature range from -30°C to 120°C. Its ABEC 1 (ISO P0) tolerance class ensures reliable performance for general precision requirements, making it an ideal solution for applications demanding high reliability and durability in challenging environments.
W 625/W64 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| W 625 | Basic bearing designation indicating a single row deep groove ball bearing with a 5mm bore and 16mm outside diameter. |
| W64 | Manufacturer's series designation, typically indicating specific design features or material specifications. |
| Open | No seals or shields, allowing for maximum speed capability and easy relubrication access. |
| Solid Oil | Polymer matrix saturated with lubricant, providing maintenance-free operation and excellent contamination resistance. |
W 625/W64 Bearing Structural Features & Performance Benefits
Deep Groove Geometry: The optimized raceway design enables the bearing to handle radial loads efficiently while accommodating moderate axial loads in both directions, providing versatile load capacity in a compact bearing size.
Stainless Steel Construction: Both rings and balls manufactured from stainless steel deliver superior corrosion resistance, making this bearing suitable for applications exposed to moisture, chemicals, or demanding environmental conditions.
Solid Oil Technology: The integrated polymer-based lubrication system eliminates lubricant leakage and provides consistent performance throughout the bearing's service life, supporting operation at the specified limiting speed of 63,000 rpm.
Precision Engineering: Manufactured to ABEC 1 (ISO P0) tolerance standards with CN radial clearance, this bearing ensures smooth operation and reliable performance in general precision applications.
W 625/W64 Bearing Typical Application Areas
- Small Electric Motors: Ideal for miniature DC motors, stepper motors, and precision motor applications requiring compact dimensions and reliable performance.
- Medical Equipment: Suitable for surgical tools, dental handpieces, and diagnostic instruments where corrosion resistance and cleanliness are critical.
- Office Automation: Used in printers, scanners, and copiers for precision paper feed mechanisms and roller assemblies.
- Instrumentation & Measurement Devices: Applied in precision gauges, optical instruments, and laboratory equipment requiring smooth, low-friction rotation.
- Food Processing Equipment: Appropriate for applications where corrosion resistance and compliance with hygiene standards are essential.
