6308
6000, 6200 & 6300 Series Metric Standard Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
6308
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
620 g
Tolerance class
ABEC-1
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
-0.120mm to 0
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
915 lbf
Radial static load rating
5395 lbf
Limiting speed
7.5 X 1000 rpm
Lubrication
Required
Radial internal clearance
CN
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:
$ 9.92
/ each
In Stock
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6308 Bearing Product Overview & Core Advantages
The 6308 is a single row deep groove ball bearing designed for exceptional performance in a wide range of industrial applications. As a metric bearing, it excels at handling primarily radial loads and offers reliable operation under high-speed conditions. Its open design and ABEC-1 tolerance class make it a cost-effective and versatile choice for applications demanding precision and durability. The combination of chrome steel rings and balls ensures high strength and long service life, making the 6308 a fundamental component for robust machinery.
6308 Bearing Model Code Explained, Specifications & Naming Convention
| Code | Interpretation | Technical Significance |
|---|---|---|
| 63 | Series Designation | Indicates a medium-duty, single row deep groove ball bearing series. |
| 08 | Bore Diameter Code | Specifies a 40 mm bore diameter. |
| (Open) | Seal Type | The bearing is supplied without seals or shields (Open), allowing for high-speed operation and custom lubrication schemes. |
6308 Bearing Structural Features & Performance Benefits
- Optimized Load Capacity: The single row deep groove raceway geometry is engineered to efficiently support high radial dynamic load ratings of 915 lbf and radial static load ratings of 5395 lbf.
- High-Speed Capability: Featuring a lightweight stainless steel cage, the 6308 achieves a limiting speed of 7,500 rpm, making it suitable for demanding high-rotation applications.
- Precision & Reliability: Manufactured to ABEC-1 tolerance class with a standard CN radial internal clearance, this bearing ensures consistent performance, reduced vibration, and smooth operation.
- Robust Construction: The use of chrome steel for both rings and balls provides excellent resistance to wear and fatigue, enhancing the bearing's longevity under continuous operation.
- Versatile Operation: With a temperature range from -30°C to 110°C, it is suitable for use in various environmental conditions.
6308 Bearing Typical Application Areas
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Industrial Pumps and Compressors
- Material Handling Equipment (Conveyors, Pulleys)
- Agricultural Machinery
- General Industrial Machinery requiring reliable ball bearing support
