MF93
MF Series Flanged Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
MF93
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.83 g
Tolerance class
ABEC1
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
3 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
9 mm
Outside diameter tolerance
-0.008mm to 0
Width
2.5 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Outer Ring Dimensions
Flange outer diameter
10.2 mm
Flange thickness
0.6 mm
Ball & Washer Dimensions
Ball diameter
1.588 mm
Ball quantity
6
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
109 lbf
Radial static load rating
34 lbf
Limiting speed
56 X 1000 rpm
Lubrication
Required
Radial internal clearance
MC3
Radial internal clearance
0.002mm to 0.013mm
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1.32
/ each
In Stock
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MF93 Bearing Product Overview & Core Advantages
The MF93 is a miniature deep groove ball bearing designed for applications requiring compact dimensions and reliable performance. This single row bearing excels in handling radial loads and is characterized by its high precision ABEC1 tolerance class. Its open design allows for versatile lubrication options, while the chrome steel construction ensures durability and a long service life. The inclusion of a flange provides secure mounting and accurate positioning, making it an ideal choice for high-speed applications up to 56,000 rpm in compact assemblies.
MF93 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| MF93 | Standard model number for this specific miniature bearing series. |
| Open | No seals or shields, allowing for high-speed operation and custom lubrication. |
| Flange | Facilitates easy and precise mounting, simplifying assembly. |
MF93 Bearing Structural Features & Performance Benefits
- High-Speed Capability: The open design and stainless steel cage minimize friction and drag, enabling a limiting speed of 56,000 rpm.
- Radial Load Capacity: The deep groove raceway and optimized geometry provide a dynamic load rating of 109 lbf, ensuring reliable performance under substantial radial stresses.
- Precision & Stability: Manufactured to ABEC1 precision class with tight dimensional tolerances and controlled MC3 radial internal clearance (0.002mm to 0.013mm) for smooth, low-vibration operation.
- Robust Construction: Rings and balls made from chrome steel offer high hardness and wear resistance, while the flange design adds rigidity and mounting security.
MF93 Bearing Typical Application Areas
- Small Precision Motors: Ideal for spindle support in miniature DC motors and stepper motors.
- Medical Devices: Used in surgical hand tools, dental drills, and diagnostic equipment where compact size and reliability are critical.
- Office Automation: Suitable for scanners, printers, and copiers.
- Instrumentation & Robotics: Provides precise motion control in encoders, sensors, and small robotic joints.
- Consumer Electronics: Applied in small cooling fans, drones, and high-speed miniature drives.
