6308-2RS1/C5
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6308-2RS1/C5
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
620 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Sealed
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
C5
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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6308-2RS1/C5 Bearing Product Overview & Core Advantages
The 6308-2RS1/C5 is a sealed single row deep groove ball bearing engineered for high performance in demanding applications. Its core advantage lies in its ability to efficiently handle radial loads while offering operational reliability. The combination of a C5 radial internal clearance and 2RS1 double seals makes it particularly suitable for applications with thermal expansion or where low noise and vibration are critical. This bearing provides a robust, maintenance-free solution in a compact design.
6308-2RS1/C5 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 6308 | Standard series designation for a medium-duty, single row deep groove ball bearing with a 40mm bore. |
| 2RS1 | Indicates contact seals made of Nitrile Rubber (NBR) on both sides. This provides excellent protection against contamination and retains lubricant. |
| C5 | Specifies a greater than normal radial internal clearance. This is essential for applications involving thermal expansion, high speeds, or where fits result in a reduction of internal clearance. |
6308-2RS1/C5 Bearing Structural Features & Performance Benefits
- Robust Construction & High Load Capacity: Manufactured from chrome steel for rings, balls, and cage, this bearing ensures high strength and durability. It offers a substantial dynamic load rating of 915 lbf and a static load rating of 5395 lbf, making it capable of handling significant radial loads.
- Enhanced Sealing & Contamination Resistance: The 2RS1 double lip seals effectively shield the internal components from dust, moisture, and other contaminants while retaining grease, significantly extending service life in harsh environments.
- Optimized Internal Clearance: The C5 clearance group accommodates shaft and housing fits that might otherwise reduce internal clearance to unacceptable levels. It is also advantageous in applications with elevated operating temperatures, preventing pre-load and potential seizure.
- Maintenance-Free Operation: The bearing is supplied pre-greased and sealed for life, eliminating the need for re-lubrication and reducing long-term maintenance costs.
6308-2RS1/C5 Bearing Typical Application Areas
The 6308-2RS1/C5 is versatile and finds use across various industries, including:
- Electric Motors and Generators
- Industrial Gearboxes
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural Machinery
- Pumps and Compressors
