308MFG
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.
308MFG
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:
$ 15.66
/ each
In Stock
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Product Overview and Core Advantages
The 308MFG metric ball bearing is a single row deep groove ball bearing designed for exceptional performance in radial load applications. Manufactured to ABEC 1 | ISO P0 tolerance standards, it offers reliable operation and consistent quality. Its open design allows for versatile lubrication options, making it suitable for a wide range of industrial machinery. The bearing is constructed entirely from high-grade chrome steel, ensuring durability and a long service life under demanding conditions.
308MFG Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 308 | Standard bore diameter code, indicating a 40mm bore. |
| MFG | Manufacturer's designation for this specific product line. |
| (No Seal Suffix) | The bearing is open, with no integral seals or shields. |
| (No Cage Suffix) | Typically indicates a standard pressed steel cage. |
| (No Clearance Suffix) | Standard CN radial internal clearance is applied. |
Structural Features and Performance Benefits
- High Load Capacity: With a dynamic load rating of 10,274 lbf and a static load rating of 8,093 lbf, this bearing is engineered to handle significant radial loads in various applications.
- Precision Engineering: Built to ABEC 1 (ISO P0) precision class, it ensures smooth, low-vibration operation, which is critical for maintaining the accuracy of mechanical systems.
- Optimized for Speed: The deep groove raceway and robust cage design contribute to a high limiting speed of 8,500 rpm, supporting efficient high-speed operation.
- Versatile Application Range: The open seal type allows for the use of specialized lubricants, while the chrome steel construction provides excellent resistance to wear and a broad operating temperature range from -30°C to 120°C.
- Standard Internal Clearance: The CN clearance is suitable for most common operating conditions, providing a balance between fit, temperature, and load.
308MFG Bearing Typical Application Areas
The 308MFG is a versatile component ideal for a multitude of industries and equipment, including:
- Electric Motors and Generators
- Industrial Gearboxes and Transmissions
- Material Handling Conveyors
- Agricultural Machinery
- General Industrial Machinery requiring reliable radial support
