MF83
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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MF83 Bearing Product Overview & Core Advantages
The MF83 is a metric miniature ball bearing designed for applications requiring compact dimensions and reliable performance. As a single row deep groove ball bearing with an open design, it excels in handling radial loads efficiently. Its construction from high-grade chrome steel ensures durability and consistent operation. The MF83 is characterized by its extremely small bore diameter of 3mm and overall compact profile, making it an ideal solution for precision instruments and small mechanical assemblies where space is at a premium. It offers a balanced combination of load capacity and limiting speed for its size class.
MF83 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| MF83 | The base model number, defining the core bearing dimensions (3mm bore, 8mm OD, 2.5mm width). |
| Open (Seal Type) | The bearing is unsealed, allowing for high-speed operation and facilitating custom lubrication schemes. It requires a clean operating environment or external sealing. |
| Flange | Integral flange (9.2mm OD) for simplified mounting and axial location, enhancing positioning accuracy and assembly ease. |
| ABEC1 | The tolerance class, indicating standard precision levels suitable for a wide range of general applications. |
| C3 (Radial Clearance) |
MF83 Bearing Structural Features & Performance Benefits
Deep Groove Geometry: The raceway design enables the MF83 to handle not only radial loads but also moderate axial loads in both directions, providing versatile load-carrying capability.
High-Grade Material Construction: Rings and balls made from chrome steel provide excellent wear resistance and fatigue life. The stainless steel cage ensures cage integrity and is suitable for a range of operating temperatures.
Optimized for Miniaturization: With a width of just 2.5mm and a lightweight design (0.59g), this bearing is engineered for space-constrained applications without sacrificing performance.
Flanged Design Advantage: The integrated flange simplifies installation, reduces the need for complex housing designs, and provides secure axial positioning, improving overall system rigidity.
Speed and Lubrication: The open design and stainless steel cage contribute to a limiting speed of 60,000 rpm. The "Lubrication: Required" specification allows for the selection of a specialized grease or oil to optimize performance for specific speed and temperature conditions.
MF83 Bearing Typical Application Areas
- Small Precision Motors: Used in stepper motors, DC micromotors, and spindle motors for consumer electronics.
- Medical and Dental Devices: Ideal for handheld surgical tools, dental handpieces, and pump drives requiring compact, reliable components.
- Office Automation Equipment: Found in scanners, printers, and copiers for guiding shafts and rollers.
- Instrumentation and Control Systems: Supports precise rotational movement in encoders, sensors, and gauges.
- Radio-Controlled Models and Drones: Used in gearboxes, propeller shafts, and small drive systems.
