6308 N
6300 Series Snap Ring Bearings
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Part No.
Part No.
6308 N
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.63 kg
Tolerance class
P6
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
40 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
90 mm
Outside diameter tolerance
-0.013mm to 0
Width
23 mm
Width tolerance
-0.12mm to 0
Outer Ring Dimensions
Outer ring locating feature
Snap Ring Groove
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
9509 lbf
Radial static load rating
5395 lbf
Limiting speed
11 X 1000 rpm
Lubrication
None
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
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In Stock
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6308 N Bearing Product Overview & Core Advantages
The 6308 N is a single row deep groove ball bearing designed for exceptional performance in demanding industrial applications. This metric bearing is characterized by its high radial load capacity and ability to accommodate moderate axial loads in both directions. Manufactured to a P6 tolerance class, it offers superior running accuracy, making it ideal for applications requiring high precision and smooth operation. Its open design allows for high-speed capability, while the snap ring groove on the outer ring provides secure axial location within a housing.
6308 N Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Advantage |
|---|---|---|
| N | Snap Ring Groove | Enables secure axial location and simplifies housing design, eliminating the need for complex end covers or shoulders. |
| P6 | Tolerance Class | Provides high precision with tighter dimensional and running accuracy tolerances than standard bearings. |
| CN | Normal Radial Internal Clearance | Standard clearance suitable for most common operating conditions and temperatures. |
6308 N Bearing Structural Features & Performance Benefits
- High Load Capacity & Rigidity: The single row deep groove ball bearing construction, combined with high-quality chrome steel rings and balls, provides a high radial dynamic load rating of 9509 lbf and a radial static load rating of 5395 lbf, ensuring robust performance under significant stress.
- High-Speed Performance: The open design and lightweight stainless steel cage minimize friction and allow for a high limiting speed of 11,000 rpm, making it a capable high-speed bearing.
- Precision & Accuracy: Manufactured to a P6 tolerance class, this bearing ensures minimal runout and vibration, which is critical for applications demanding smooth and precise rotation.
- Simplified Assembly & Location: The snap ring groove (N suffix) on the outer ring provides a reliable and cost-effective method for axial location, simplifying housing design and assembly processes.
- Broad Operating Range: With a temperature range of -30°C to 120°C, the bearing is suitable for a wide variety of environmental conditions.
6308 N Bearing Typical Application Areas
The 6308 N is engineered for reliability in numerous sectors. Key applications include:
- Electric Motors and Generators: For supporting shafts and handling high radial loads at operational speeds.
- Gearboxes and Transmissions: Where precise shaft location and high load capacity are required.
- Industrial Pumps and Compressors: Ideal for handling the combined loads and speeds typical in fluid handling equipment.
- Material Handling Equipment: Such as conveyor pulleys, where the snap ring groove aids in secure mounting.
- Agricultural and Construction Machinery: Providing durable and reliable performance in tough operating environments.
