MF82x
MF Series Flanged Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
MF82x
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.42 g
Tolerance class
ABEC1
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
2.5 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
8 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
9.2 mm
Flange thickness
0.6 mm
Ball & Washer Dimensions
Ball diameter
3.969 mm
Ball quantity
7
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
40 lbf
Radial static load rating
15 lbf
Limiting speed
71 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:
$ 2.3
/ each
In Stock
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MF82x Bearing Product Overview & Core Advantages
The MF82x is a metric miniature ball bearing designed for applications demanding compact size and reliable performance. As a single row deep groove ball bearing with an open design, it excels at handling radial loads efficiently. Its construction offers a superior balance of size, capacity, and speed, making it an ideal component for high-precision mechanisms where space is at a premium. The bearing is manufactured to ABEC1 precision tolerances, ensuring consistent and reliable operation.
MF82x Bearing Model Code Explained, Specifications & Naming Convention
| Code Element | Technical Significance |
|---|---|
| Open | No integral seals or shields, allowing for higher limiting speeds and custom lubrication schemes. |
| Flange | Facilitates easy mounting and axial location, simplifying assembly and improving positional accuracy. |
| MC3 Clearance | Specifies a radial internal clearance of 0.002mm to 0.013mm, suitable for applications with moderate operational temperatures. |
MF82x Bearing Structural Features & Performance Benefits
- High-Speed Capability: The open seal type and optimized design, including a stainless steel cage, contribute to a high limiting speed of 71,000 rpm, making it suitable for demanding rotational applications.
- Robust Load Handling: With a dynamic load rating of 40 lbf and a static load rating of 15 lbf, this bearing provides reliable performance under significant radial loads for its compact size.
- Precision Engineering: Manufactured from chrome steel for both rings and balls, and held to ABEC1 tolerances, it ensures smooth, low-vibration, and long-lasting operation.
- Compact and Lightweight: With a bore diameter of 2.5 mm and a total weight of just 0.42 grams, it is engineered for miniaturized and weight-sensitive designs.
MF82x Bearing Typical Application Areas
- Small Precision Motors: Ideal for spindle support in miniature DC motors and stepper motors.
- Medical and Dental Devices: Used in handheld surgical tools, dental handpieces, and diagnostic equipment.
- Office Automation: Critical component in scanners, printers, and small cooling fans.
- Instrumentation and Robotics: Suitable for encoders, sensors, and joints in small-scale robotic arms.
- Radio-Controlled Models: Provides high-speed support in motors and gearboxes for drones and RC cars.
