308SFFG
200, 300 & 6400 Series Industrial Single Row Deep Groove Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
308SFFG
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.64 kg
Tolerance class
ABEC 1 | ISO P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
40 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
90 mm
Outside diameter tolerance
-0.015mm to 0
Width
23 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
10274 lbf
Radial static load rating
8093 lbf
Limiting speed
8.5 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 13.07
/ each
In Stock
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308SFFG Bearing Product Overview & Core Advantages
The 308SFFG is a single row deep groove ball bearing designed for reliable performance in general industrial applications. Engineered with precision to ABEC 1 (ISO P0) standards, this open-type bearing excels in handling significant radial loads. Its robust construction using chrome steel components ensures durability and consistent operation, making it a versatile and cost-effective solution for various machinery.
308SFFG Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 308 | Standard bore diameter code (40 mm) |
| S | Designates a specific internal design or series |
| FF | Indicates enhanced manufacturing process or filling notch type |
| G | Specifies the radial internal clearance group (CN) |
308SFFG Bearing Structural Features & Performance Benefits
- High Load Capacity: The single row deep groove raceway and chrome steel construction provide a high radial dynamic load rating of 10,274 lbf and a radial static load rating of 8,093 lbf, ensuring reliable performance under demanding conditions.
- Optimized for Speed: With a limiting speed of 8,500 rpm, this bearing is suitable for a wide range of high-speed applications.
- Standard Precision & Clearance: Manufactured to ABEC 1 tolerance class with standard CN radial internal clearance, offering a balance of precision, smooth operation, and thermal expansion accommodation.
- Material Integrity: All core components—rings, balls, and cage—are made from high-grade chrome steel, providing excellent wear resistance and longevity.
- Open Design Flexibility: The open seal type allows for custom lubrication strategies, giving engineers control over the lubrication regime based on specific application needs.
308SFFG Bearing Typical Application Areas
The 308SFFG ball bearing is widely used in various sectors due to its robust bearing dimensions (40x90x23 mm) and reliable performance. Key applications include:
- Electric Motors and Generators
- Industrial Gearboxes and Transmissions
- Material Handling Equipment (Conveyors, Pulleys)
- Agricultural Machinery
- General Industrial Machinery and Pumps
