Metric Size Miniature Flanged Ball Bearings
Metric size miniature flanged ball bearings are compact single-row radial ball bearings with millimeter dimensions and an integral outer-ring flange for easier axial positioning in small housings, plates and precision assemblies. This product list covers F, SF, MF and SMF series options from 1 mm to 9 mm bore, with open, ZZ shielded and 2RS sealed versions. Buyers can compare bore, outer diameter, width, flange OD, flange thickness, chrome steel or stainless steel material, radial load and speed directly from the list. These bearings are used in micro motors, sensors, robotics, medical devices, instruments, small fans, printers and compact automation mechanisms. TFL helps source standard and custom alternatives based on bearing number, drawing, sample or application requirements.
Simplified Installation with Flange
Ideal for Compact and Miniature Designs
Standard Metric Sizes for Easy Selection
Metric Miniature Flanged Ball Bearing Selection Guide
Metric size miniature flanged ball bearings are single-row radial ball bearings with millimeter dimensions and a built-in outer-ring flange. Use this list to compare F/SF/MF/SMF series, bore, OD, width, flange OD, flange thickness, open/ZZ/2RS type, material, load rating, and speed before sending an RFQ.
How to Choose This Bearing Type
Choose this category when your design needs a small metric bearing that can be axially located by a flange shoulder. If the design does not require a flange, compare metric size standard miniature ball bearings. If the drawing uses inch dimensions, use inch size miniature flanged ball bearings instead.
Common Series and Model Range
| Series / Option | Typical Meaning | Selection Notes |
|---|---|---|
| F / SF series | Metric flanged miniature bearing families in common small metric sizes | Use when a standard miniature bearing size needs an outer-ring flange for positioning. |
| MF / SMF series | Very compact flanged miniature bearing codes | Useful for micro motors, sensors, instruments, and tight-space mechanisms. |
| Open / ZZ / 2RS | Open, metal shielded, or rubber sealed versions | Select by contamination level, torque, lubrication access, and speed requirement. |
| Size coverage | 1 mm to 9 mm bore, 3 mm to 24 mm OD, 3.8 mm to 27 mm flange OD | Confirm shaft, housing bore, mounting shoulder, and available width before replacement. |
How to Read a Model Number: Example MF105ZZ
In MF105ZZ, “MF” indicates a metric miniature flanged bearing, “105” identifies the size family, and “ZZ” means two metal shields. This model has a 5 mm bore, 10 mm outer diameter, 4 mm width, 11.6 mm flange OD, and 0.8 mm flange thickness, making it a useful example for compact metric flanged bearing selection.
Open vs ZZ vs 2RS Selection
Open bearings are suitable when lubrication access and low running resistance are priorities. ZZ shielded bearings are commonly used in small motors, fans, and instruments where light dust protection is needed without much torque increase. 2RS sealed bearings offer better protection against dust or moisture, but contact seals may increase torque in very small mechanisms.
Chrome Steel vs Stainless Steel Selection
Chrome steel is usually selected for clean and dry precision assemblies where cost and load capacity matter. Stainless steel versions, such as SF or SMF series options, are better for humid, lightly corrosive, or washdown-sensitive environments. For medical tools, lab devices, and portable instruments, confirm material, lubrication, and packaging requirements before quotation.
Key Specifications to Confirm Before Quotation
Confirm the bearing number, bore diameter, outer diameter, width, flange OD, flange thickness, seal type, ring material, ball material, radial clearance, load rating, speed, temperature range, and lubrication requirement. For replacement projects, send the existing part number, drawing, or sample photo so TFL can check the dimensions and suffixes.
EZO / NMB-Style Replacement Notes
Many metric miniature flanged bearings are purchased by EZO-style, NMB-style, or other brand-style part numbers. TFL can help customers source replacement or alternative options from qualified factory resources after confirming the bearing number, drawing, and application requirements.
Common Applications
Common applications include micro motors, encoders, sensors, robotics joints, small fans, medical instruments, dental tools, lab devices, printers, scanners, camera modules, RC models, and compact automation mechanisms where metric sizing and flange positioning are required.
Popular Models / High-Demand Models
| Model Example | Typical Size / Feature | Common Buying Scenario |
|---|---|---|
| MF105ZZ | 5 mm bore, 10 mm OD, 11.6 mm flange OD, ZZ shielded | Good priority model page for compact instruments, micro motors, and small actuators. |
| F604 | 4 mm bore, 12 mm OD, 13.5 mm flange OD, open type | Useful standard F-series example with wider application coverage and clear dimensions. |
| F681 | 1 mm bore, 3 mm OD, 3.8 mm flange OD, ultra-small open type | Good example for ultra-small metric flange bearing searches. |
| F608ZZ / F609ZZ | 8-9 mm bore, larger miniature flanged options with higher radial load range | Suitable candidates for new priority model pages because they cover higher-demand, higher-load metric flanged sizes. |
Why Source from TFL
TFL helps customers source metric miniature flanged ball bearings based on confirmed bearing numbers, drawings, samples, or application requirements. We coordinate qualified factory resources, check model, quantity, appearance, packaging, and basic quality requirements before shipment, and support OEM packaging or custom requirements when suitable.
Need Help Matching a Metric Flanged Miniature Bearing?
Send your bearing number, drawing, sample photo, or application details. TFL can help confirm dimensions, flange type, seal choice, material, and replacement options before quotation.
Request a QuoteTFL is a bearing supplier and sourcing partner. We provide replacement and alternative bearing options based on confirmed part numbers, drawings, or application requirements; we do not claim to be the original brand or an authorized distributor of third-party brands.
FREQUENTLY ASKED QUESTIONS
What typical load types are these metric miniature bearings designed for?
Are Metric Size Miniature Flanged Ball Bearings suitable for high-speed rotation?
Do these metric flanged bearings come with seals or shields?
Do you offer samples? What is the Minimum Order Quantity (MOQ)?
Sample availability and Minimum Order Quantity (MOQ) can vary by product model. Please check the specific product page or contact our sales team for details on the bearing you need.