MR84 2rs
MR 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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MR84 2rs Bearing Product Overview & Core Advantages
The MR84 2RS is a metric miniature deep groove ball bearing designed for compact applications requiring reliable performance. Its single row construction and sealed design (2RS) make it an ideal solution for protecting against contaminant ingress while providing smooth operation. This bearing excels in handling radial loads with its optimized internal geometry and maintains stable performance across a wide temperature range. The combination of chrome steel components and precision manufacturing ensures consistent operation in demanding miniature applications.
MR84 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| MR84 | Basic bearing designation indicating 4mm bore, 8mm OD, 3mm width | Standardized bearing dimensions for easy replacement and integration |
| 2RS | Double rubber seals on both sides | Enhanced contamination protection and lubricant retention |
MR84 2rs Bearing Structural Features & Performance Benefits
Optimized Internal Geometry: Features 7 precision balls with 1.2mm diameter arranged in a deep groove raceway, providing excellent radial load capacity and smooth rotational characteristics.
Superior Sealing System: The double rubber seals (2RS) effectively prevent dust, moisture, and other contaminants from entering while retaining lubrication, extending service life in challenging environments.
High-Quality Material Construction: Manufactured from chrome steel rings and balls with stainless steel cage, ensuring dimensional stability, corrosion resistance, and long-term reliability.
Precision Performance: Built to ABEC1 tolerance class with MC3 radial clearance (0.002mm to 0.013mm), delivering consistent performance in precision applications requiring minimal runout.
Temperature Resilience: Operates reliably across a temperature range of -30°C to 110°C, making it suitable for various industrial environments.
MR84 2rs Bearing Typical Application Areas
- Small DC Motors and stepper motors in automation equipment
- Precision instruments and measurement devices
- Office automation equipment including printers and scanners
- Medical devices and laboratory equipment
- Consumer electronics requiring miniature bearing solutions
- Robotic joints and small mechanical assemblies
- Optical equipment and positioning mechanisms
