627 2rs
600 Series Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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627 2rs Bearing Product Overview & Core Advantages
The 627 2RS is a metric single row deep groove ball bearing designed for exceptional reliability in demanding applications. Featuring integrated rubber seals (2RS) on both sides, this bearing provides superior contamination protection while maintaining smooth operation. Its optimized deep groove raceway enables it to handle significant radial loads and moderate axial loads in both directions. With ABEC1 precision and consistent performance across a wide temperature range (-30° to 110°C), this compact bearing delivers excellent value for applications requiring long service life and minimal maintenance.
627 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 627 | Basic bearing designation (7mm bore, 22mm OD, 7mm width) | Standard metric dimensions for easy integration |
| 2RS | Contact rubber seals on both sides | Superior protection against contaminants, retains lubrication |
627 2rs Bearing Structural Features & Performance Benefits
Deep Groove Design: The optimized raceway geometry enables the bearing to accommodate both radial loads and moderate axial loads, making it versatile for various applications.
Double Rubber Seals (2RS): Nitrile rubber contact seals provide excellent protection against dust, moisture, and other contaminants while effectively retaining lubrication for extended service intervals.
Precision Components: Manufactured with chrome steel rings and balls combined with a stainless steel cage, the bearing ensures consistent performance, reduced vibration, and enhanced durability under demanding conditions.
Optimized Internal Clearance: With MC3 radial internal clearance (0.002mm to 0.013mm), the bearing accommodates thermal expansion while maintaining precise operation across its specified temperature range.
627 2rs Bearing Typical Application Areas
- Electric Motors: Small motors, gear motors, and fractional horsepower applications
- Power Tools: Drills, grinders, and other handheld equipment requiring reliable rotation
- Automotive Components: Auxiliary motors, pumps, and actuators
- Industrial Machinery: Conveyor systems, small gearboxes, and material handling equipment
- Medical Devices: Small medical instruments and laboratory equipment
- Office Automation: Printers, scanners, and copiers
