6308-Z NO LUBE
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6308-Z NO LUBE
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
620 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Shielded
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 120 °C
Radial dynamic load rating
915 lbf
Radial static load rating
5395 lbf
Limiting speed
7.5 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
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In Stock
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6308-Z NO LUBE Bearing Product Overview & Core Advantages
The 6308-Z NO LUBE is a single row deep groove ball bearing engineered for applications requiring reliable performance with minimal maintenance. Its core advantage lies in its shielded design and pre-lubricated state, offering robust protection against contaminants while operating effectively without the need for re-lubrication. This makes it an excellent choice for applications where long service life and low maintenance are critical, providing dependable support for radial loads in a compact and efficient package.
Model Code Breakdown
| Model Segment | Technical Meaning |
|---|---|
| 6308 | Standard deep groove ball bearing series with 40mm bore, 90mm OD, and 23mm width. |
| -Z | Specifies a non-contact steel shield on one side, protecting the bearing interior from large particulate contaminants. |
| NO LUBE | Indicates the bearing is supplied without factory-applied lubrication, allowing the user to select a specialized lubricant for their specific application requirements. |
6308-Z NO LUBE Bearing Structural Features & Performance Benefits
- Robust Construction: Manufactured entirely from chrome steel for rings, balls, and cage, ensuring high strength, durability, and consistent performance under load.
- Effective Contaminant Protection: The Z-shield helps to retain any applied lubricant and excludes larger contaminants, contributing to a cleaner operating environment and extended component life.
- High-Speed Capability: With a limiting speed of 7,500 rpm, this bearing is suitable for a wide range of high-speed industrial applications.
- Precision & Stability: Manufactured to ABEC 1 / ISO P0 tolerance class and standard CN radial internal clearance, providing reliable and predictable running accuracy for general industrial use.
- Application Flexibility: The "NO LUBE" specification offers engineers the flexibility to apply a lubricant optimized for specific operational conditions, such as extreme temperatures or specialized chemical environments.
6308-Z NO LUBE Bearing Typical Application Areas
The 6308-Z NO LUBE is ideally suited for a variety of industrial machinery and equipment, including:
- Electric Motors and Gearboxes
- Material Handling Conveyors
- Agricultural Machinery
- Industrial Fans and Blowers
- General machinery requiring shielded bearings with custom lubrication solutions.
