308SFF
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.
308SFF
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:
$ 12.39
/ each
In Stock
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308SFF Bearing Product Overview & Core Advantages
The 308SFF metric ball bearing is a high-performance single row deep groove ball bearing engineered for robust radial load applications. Manufactured to ABEC 1 | ISO P0 tolerance standards, it delivers reliable precision for general industrial use. Its open design allows for versatile lubrication options, while the all-chrome steel construction ensures durability and a long service life across a wide temperature range from -30°C to 120°C.
308SFF Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 308 | Standard bore diameter code, indicating a 40mm bore. |
| SFF | Manufacturer-specific suffix denoting a particular series or variant with enhanced performance characteristics. |
| Open (Seal Type) | No seals or shields, allowing for high-speed operation and custom lubrication. |
| CN (Clearance) | Standard radial internal clearance for normal operating conditions. |
308SFF Bearing Structural Features & Performance Benefits
- Optimized Load Capacity: The single row deep groove raceway geometry is designed to support significant radial dynamic load ratings of 10,274 lbf and radial static load ratings of 8,093 lbf, providing reliable performance under demanding conditions.
- High-Speed Capability: The open design and chrome steel cage contribute to a high limiting speed of 8,500 rpm, making it suitable for applications requiring rapid rotation.
- Precision Engineering: Built to ABEC 1 | ISO P0 tolerance class, this bearing ensures consistent running accuracy and smooth operation, minimizing vibration and noise.
- Material Integrity: Constructed entirely from chrome steel for rings, balls, and cage, this bearing offers excellent resistance to wear and fatigue, enhancing its operational lifespan.
308SFF Bearing Typical Application Areas
- Electric Motors and Generators
- Industrial Gearboxes and Transmissions
- Material Handling Conveyors
- Agricultural Machinery
- General Industrial Machinery requiring reliable radial load support
