6308-2RS1/C2ELHT23
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6308-2RS1/C2ELHT23
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
C2
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/C2ELHT23 Bearing Product Overview & Core Advantages
The 6308-2RS1/C2 is a metric single row deep groove ball bearing engineered for high reliability in demanding applications. Its core strength lies in its ability to efficiently handle radial loads while also accommodating moderate axial loads in both directions. The integrated contact seals (2RS1) provide superior protection against contamination, making it an ideal, maintenance-free solution for applications requiring long service life and consistent performance under a wide temperature range.
6308-2RS1/C2ELHT23 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| 6308 | Basic series code; defines the boundary dimensions (40mm bore, 90mm OD, 23mm width). | Standardized sizing for easy interchangeability and selection. |
| 2RS1 | Designates bearings with two integral contact seals made of NBR rubber. | Effective exclusion of contaminants and retention of lubricant, enhancing bearing life. |
| C2 | Specifies a Radial Internal Clearance group that is smaller than the Normal (CN) group. | Provides a tighter internal fit, which is beneficial for applications requiring reduced noise and vibration or where precise shaft positioning is critical. |
6308-2RS1/C2ELHT23 Bearing Structural Features & Performance Benefits
- Robust Single Row Design: The deep groove raceway and high-quality chrome steel construction (rings, balls, and cage) provide a robust solution for high radial dynamic load ratings and reliable operation.
- Superior Sealing with 2RS1: The NBR rubber contact seals on both sides effectively shield the internal components from dust, moisture, and other particulate matter, significantly extending the bearing's operational lifespan in harsh environments.
- Optimized Internal Clearance (C2): The C2 clearance ensures minimal internal play, leading to smoother rotation, lower running noise, and improved positional accuracy of the shaft, which is crucial for precision applications.
- High-Speed Capability: With a limiting speed of 7,500 rpm, this bearing is suitable for a wide range of high-speed machinery, supported by its balanced design and effective sealing.
6308-2RS1/C2ELHT23 Bearing Typical Application Areas
This sealed and pre-lubricated bearing is a versatile component found in numerous industries, including:
- Electric Motors and Generators
- Industrial Gearboxes and Power Transmission Systems
- Agricultural Machinery
- Material Handling Equipment (e.g., Conveyors)
- Automotive Components (e.g., alternators, idlers)
- General Industrial Machinery requiring a reliable, sealed bearing solution.
