S625
600 Series Stainless Steel Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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S625 Bearing Product Overview & Core Advantages
The S625 metric ball bearing is a precision single row deep groove ball bearing designed for high-performance applications requiring reliable radial load capacity. Manufactured entirely from stainless steel, it offers excellent corrosion resistance. Its compact design, with a 5 mm bore and 16 mm outside diameter, makes it ideal for space-constrained assemblies. The bearing operates efficiently at high speeds up to 32,400 rpm and is characterized by its ABEC1 precision class, ensuring smooth and quiet operation in demanding environments.
S625 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| S625 | Standard model number for a metric, single row deep groove ball bearing with a 5mm bore and 16mm outside diameter. |
| Open (Seal Type) | The bearing is supplied without seals or shields, allowing for easy re-lubrication and customization. This design minimizes friction for maximum speed performance. |
| MC3 (Internal Clearance) | Specifies a radial internal clearance group of 0.002mm to 0.013mm, suitable for applications with moderate operational temperatures and interference fits. |
S625 Bearing Structural Features & Performance Benefits
Optimized Load Capacity: The single row deep groove construction is engineered to support significant radial loads (dynamic: 298 lbf / static: 109 lbf), making it a robust choice for various mechanical systems.
High-Speed Capability: Featuring a stainless steel cage and seven precision balls, the bearing is balanced for stable operation at its limiting speed of 32,400 rpm, minimizing vibration and wear.
Corrosion Resistance & Material Integrity: All components, including rings, balls, and cage, are constructed from stainless steel, providing superior resistance to corrosion and enabling use in harsh or washdown environments.
Precision Engineering: Manufactured to ABEC1 tolerance class with strict dimensional control on the bore diameter, outside diameter, and width, ensuring consistent performance and ease of installation.
S625 Bearing Typical Application Areas
- Precision Instruments: Optical encoders, medical devices, and laboratory equipment.
- Small Electric Motors: High-speed spindles in dental handpieces, miniature fans, and drones.
- Office Automation Equipment: Printers, scanners, and copiers.
- Food and Beverage Machinery: Conveyor systems and pumps where corrosion resistance is critical.
- Robotics and Automation: Joints and guides in small robotic arms and linear actuators.
