MF105
MF Series Flanged Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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MF105 Bearing Product Overview & Core Advantages
The MF105 is a metric single row deep groove ball bearing engineered for precision radial load applications. Featuring a compact 5 mm bore diameter and minimal cross-section, this bearing delivers reliable performance in space-constrained assemblies. Its ABEC1 tolerance class ensures consistent running accuracy, while the stainless steel cage provides stability at the specified limiting speed of 50,000 rpm. As an open-type bearing requiring lubrication, it offers design flexibility for specialized greasing protocols in high-speed, precision mechanisms.
MF105 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Significance |
|---|---|
| MF105 | Basic bearing designation indicating specific bearing dimensions (5×10×3mm) |
| Open | No seals or shields, allowing for custom lubrication systems and maximum speed capability |
| ABEC1 | Precision class ensuring controlled bore diameter tolerance and running accuracy |
| MC3 | Radial internal clearance group (0.002-0.013mm) optimized for precision applications |
MF105 Bearing Structural Features & Performance Benefits
Optimized Load Capacity: The single row deep groove construction with 8 precision balls provides excellent radial dynamic load rating of 82 lbf, making it suitable for sustained radial loads in compact spaces.
High-Speed Capability: The combination of stainless steel cage and open design enables reliable operation at 50,000 rpm limiting speed, while the MC3 clearance accommodates thermal expansion at high velocities.
Precision Engineering: Manufactured to ABEC1 tolerance class with tight dimensional control on bore diameter and outside diameter, ensuring consistent performance in precision assemblies.
Material Excellence: Constructed from chrome steel rings and chrome steel balls for durability, complemented by a stainless steel cage that resists corrosion and maintains structural integrity.
MF105 Bearing Typical Application Areas
- Small precision motors and miniature DC motors requiring high-speed operation
- Medical devices and dental handpieces where compact size and reliability are critical
- Office automation equipment including printers, scanners, and copiers
- Instrumentation and measuring devices demanding precise rotational accuracy
- Robotics and automation components in compact joint and drive mechanisms
- Electronic components such as cooling fans and small drives
