F693
F Series Flanged Miniature Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
F693
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.71 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
8 mm
Outside diameter tolerance
-0.008mm to 0
Width
3 mm
Width tolerance
-0.12mm to 0
Inner Ring Dimensions
Inner ring type
Standard
Outer Ring Dimensions
Flange outer diameter
9.5 mm
Flange thickness
0.7 mm
Ball & Washer Dimensions
Ball diameter
1.588 mm
Ball quantity
6
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
107 lbf
Radial static load rating
26 lbf
Limiting speed
60 X 1000 rpm
Lubrication
Required
Radial internal clearance
0.002mm to 0.013mm
Radial internal clearance
MC3
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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F693 Bearing Product Overview & Core Advantages
The F693 is a metric single row deep groove ball bearing engineered for high performance in compact spaces. Characterized by its open design and standard inner ring, this bearing is optimized for radial load applications. Its miniature dimensions (3mm bore, 8mm OD) and ABEC1 precision class make it an ideal component for devices requiring reliable operation and high limiting speeds up to 60,000 rpm. The use of chrome steel rings and balls ensures durability and consistent performance.
F693 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| F693 | Standard model number for this specific miniature bearing series and size. |
| Open (Seal Type) | No integral seals or shields, allowing for higher speeds and requiring external lubrication. Ideal for controlled environments. |
| MC3 | Specifies the radial internal clearance group, optimized for general operating conditions. |
F693 Bearing Structural Features & Performance Benefits
- Deep Groove Raceway: The geometry of the raceways enables efficient handling of radial loads and moderate axial loads from both directions.
- High-Speed Capability: The combination of an open design (reducing friction), a lightweight stainless steel cage, and precision manufacturing contributes to an exceptionally high limiting speed of 60,000 rpm.
- Precision & Stability: Manufactured to ABEC1 tolerance class with controlled internal clearance (MC3), ensuring smooth and quiet operation with minimal runout.
- Robust Construction: Components made from chrome steel provide high hardness and resistance to wear, supporting the dynamic load rating of 107 lbf.
- Flange Option: The optional flange (outer diameter 9.5mm) facilitates secure and simplified mounting, saving space and reducing assembly costs.
F693 Bearing Typical Application Areas
This miniature deep groove ball bearing is critical in applications demanding compact size, high speed, and reliability. Key sectors include:
- Small Precision Motors: Used in spindle assemblies for drones, RC vehicles, and small industrial motors.
- Medical Devices: Ideal for surgical hand tools, dental drills, and miniature pumps where precision is paramount.
- Office Automation: Found in scanners, printers, and small fans.
- Instrumentation and Gauges: Provides smooth rotational movement in sensitive measuring equipment.
