MF117
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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MF117 Bearing Product Overview & Core Advantages
The MF117 is a metric single row deep groove ball bearing engineered for compact applications requiring reliable radial load capacity. Featuring a minimal cross-section with a 7 mm bore and 2.5 mm width, this bearing is ideal for space-constrained designs. Its open design allows for versatile lubrication options, while the stainless steel cage ensures stable operation. Manufactured to ABEC1 precision tolerances, it provides consistent performance for general industrial use.
MF117 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| MF117 | Basic bearing designation | Defines the core bearing dimensions (7×11×2.5 mm) |
| Open | No seals or shields | Enables custom lubrication and high-speed operation |
| MC3 | Radial internal clearance group | Provides 0.002-0.013mm clearance for general operating conditions |
MF117 Bearing Structural Features & Performance Benefits
Optimized Load Distribution: The deep groove raceway and 9 precision balls (1.2 mm diameter) enable efficient handling of radial loads up to 87 lbf dynamic capacity. The stainless steel cage maintains ball spacing for smooth rotation and reduced friction.
High-Speed Capability: With a limiting speed of 43,000 rpm, this bearing supports demanding rotational applications. The open construction minimizes heat generation and allows for effective lubrication management.
Precision Engineering: Manufactured from chrome steel with ABEC1 tolerance class, the MF117 ensures dimensional stability and reliable performance. The MC3 radial clearance accommodates thermal expansion in typical operating environments.
Flange Design: The integrated flange (12.2 mm OD, 0.6 mm thickness) facilitates secure mounting and precise axial positioning, simplifying assembly in compact housings.
MF117 Bearing Typical Application Areas
- Small electric motors and miniature DC motors
- Precision instruments and optical devices
- Office automation equipment (printers, scanners)
- Medical devices and laboratory equipment
- Robotic joints and small mechanism pivots
- Consumer electronics requiring reliable rotational components
