MR115 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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MR115 2rs Bearing Product Overview & Core Advantages
The MR115 2RS is a single row deep groove ball bearing designed for precision radial load applications. Engineered with metric dimensions and sealed construction, this bearing delivers reliable performance in compact spaces. Its chrome steel rings and balls provide excellent durability, while the stainless steel cage ensures stable operation. The double rubber seals (2RS) offer superior contamination protection, making it ideal for applications requiring long-term reliability without frequent maintenance.
MR115 2rs Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| MR115 | Basic bearing designation with 5mm bore diameter | Standard metric size for universal compatibility |
| 2RS | Double rubber contact seals on both sides | Enhanced contamination protection and lubricant retention |
MR115 2rs Bearing Structural Features & Performance Benefits
Optimized Radial Load Capacity: The deep groove raceway and 8 precision chrome steel balls provide excellent radial load handling with a dynamic rating of 137 lbf and static rating of 51 lbf.
High-Speed Performance: The stainless steel cage and optimized internal geometry enable smooth operation up to 45,000 rpm, making it suitable for high-speed applications.
Enhanced Sealing Protection: Double rubber seals (2RS) effectively exclude contaminants while retaining lubricant, extending service life in demanding environments.
Precision Engineering: Manufactured to ABEC1 tolerance class with controlled radial internal clearance (MC3: 0.002-0.013mm) for consistent performance and smooth operation.
MR115 2rs Bearing Typical Application Areas
- Small electric motors and miniature DC motors
- Precision instruments and measuring devices
- Office automation equipment including printers and scanners
- Medical devices and laboratory equipment
- Robotics and small automation mechanisms
- Consumer electronics requiring reliable miniature bearings
