MF63
MF Series Flanged Miniature Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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MF63 Bearing Product Overview & Core Advantages
The MF63 is a metric miniature ball bearing engineered for precision applications requiring compact dimensions and reliable performance. As a single row deep groove ball bearing with an open design, it is optimized to handle primarily radial loads efficiently. Its small footprint, with a 3mm bore and 6mm outside diameter, makes it ideal for space-constrained assemblies. Manufactured from high-grade chrome steel and featuring a stainless steel cage, this bearing offers excellent durability and consistent operation, making it a dependable choice for high-speed, precision mechanisms.
MF63 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| M | Metric system of measurement. |
| F63 | Standard bearing designation indicating specific bearing dimensions (3mm bore, 6mm OD, 2mm width). |
| Open | No seals or shields, allowing for higher speeds and easy re-lubrication. |
| ABEC1 | Standard tolerance class, ensuring good running accuracy for general applications. |
| MC3 | Specifies the radial internal clearance group (0.002mm to 0.013mm). |
MF63 Bearing Structural Features & Performance Benefits
- Deep Groove Raceway & Single Row Design: The deep groove geometry of the inner and outer rings enables efficient handling of radial loads. The single row construction provides a compact and lightweight solution.
- High-Speed Capability: The stainless steel cage ensures stability and guides the balls effectively, contributing to a high limiting speed of 71,000 rpm.
- Precision Engineering: Manufactured to ABEC1 tolerances, this bearing offers consistent running accuracy and low vibration, which is critical for sensitive equipment.
- Material Integrity: Components made from chrome steel provide high hardness and wear resistance, while the stainless steel cage offers corrosion resistance and strength.
- Standard Internal Clearance (MC3): Provides optimal fit and performance in most general applications, balancing operational temperature and load conditions.
MF63 Bearing Typical Application Areas
The MF63 miniature bearing is suited for a wide range of small-scale, high-precision devices, including:
- Small Electric Motors (e.g., in drones, RC models, and miniature fans)
- Precision Instruments and optical devices
- Office Automation Equipment (e.g., printers, scanners)
- Medical Devices and laboratory equipment
- Computer Hard Disk Drives and cooling fans
