MF41x
MF Series Flanged Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
MF41x
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.12 g
Tolerance class
ABEC1
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
1.2 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
4 mm
Outside diameter tolerance
-0.008mm to 0
Width
1.8 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Outer Ring Dimensions
Flange outer diameter
4.8 mm
Flange thickness
0.4 mm
Ball & Washer Dimensions
Ball diameter
0.6 mm
Ball quantity
7
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
21 lbf
Radial static load rating
6 lbf
Limiting speed
110 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:
$ 16.17
/ each
In Stock
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MF41x Bearing Product Overview & Core Advantages
The MF41x series represents a precision miniature ball bearing engineered for applications demanding exceptional dimensional accuracy and reliable performance in compact spaces. This single row deep groove ball bearing features an open design and is manufactured to ABEC1 tolerance standards, ensuring smooth operation and consistent quality. Its primary advantages include a compact flange for secure mounting, a high-grade stainless steel cage for stability, and the ability to handle radial loads efficiently, making it an ideal component for high-speed miniature mechanisms.
MF41x Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| MF41x | Series designation for miniature flanged bearings with a 4mm outer diameter. |
| Open (Seal Type) | No integral seals or shields, allowing for higher limiting speeds and custom lubrication schemes. |
| ABEC1 | Tolerance class specifying precision levels for bore, outside diameter, and width. |
| MC3 | Radial internal clearance group (0.002mm to 0.013mm), suitable for general operating conditions. |
MF41x Bearing Structural Features & Performance Benefits
- Flanged Design: The integrated flange (OD: 4.8mm) facilitates straightforward axial location and secure housing fit, simplifying assembly and enhancing positional accuracy.
- High-Speed Capability: The combination of an open design, a lightweight stainless steel cage, and seven precision balls enables a high limiting speed of 110,000 rpm.
- Robust Load Capacity: Manufactured from chrome steel for both rings and balls, this bearing offers a dynamic load rating of 21 lbf and a static load rating of 6 lbf, providing reliable performance under radial stresses.
- Precision Engineering: With tight dimensional tolerances and controlled radial internal clearance, this bearing ensures minimal vibration and consistent operation in precision instruments.
MF41x Bearing Typical Application Areas
This miniature flanged bearing is ideally suited for:
- Small Precision Motors: Including stepper motors and coreless DC motors.
- Medical Devices & Instrumentation: Such as surgical hand tools, dental drills, and miniature pumps.
- Optical and Encoder Systems: Providing smooth rotational support in scanners and rotary encoders.
- Office Automation Equipment: Including miniature gearboxes and precision mechanisms within printers and copiers.
