6203-2Z/C4 - OBS
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6203-2Z/C4 - OBS
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
65 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
17 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
40 mm
Outside diameter tolerance
-0.011mm to 0
Width
12 mm
Width tolerance
-0.120mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
2147 lbf
Radial static load rating
1079 lbf
Limiting speed
17 X 1000 rpm
Lubrication
None
Radial internal clearance
C4
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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6203-2Z/C4 - OBS Bearing Product Overview & Core Advantages
The 6203-2Z/C4 is a metric single row deep groove ball bearing designed for robust performance in a wide range of industrial applications. Its core advantage lies in its ability to efficiently handle radial loads while offering a compact and reliable solution. The combination of shielded construction and a C4 radial internal clearance makes it particularly suitable for applications involving thermal expansion or where a slightly looser fit is required, ensuring smooth operation and extended service life.
6203-2Z/C4 - OBS Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning | Benefit |
|---|---|---|
| -2Z | Non-contact steel shields on both sides | Provides effective protection against contamination while maintaining high-speed capability and low friction. |
| /C4 | Greater than normal radial internal clearance | Accommodates thermal expansion in the shaft or housing, preventing preload and potential bearing seizure, ideal for applications with temperature fluctuations. |
6203-2Z/C4 - OBS Bearing Structural Features & Performance Benefits
- Deep Groove Raceway & High-Quality Construction: The optimized raceway geometry and components made from chrome steel provide high dynamic and static load ratings (2147 lbf and 1079 lbf respectively), ensuring durability under significant radial loads.
- Shielded Protection: The 2Z shields retain the factory-applied lubrication and protect the bearing's interior from dust and other contaminants, enhancing reliability and reducing maintenance needs.
- Optimized Internal Clearance: The C4 clearance is a key performance feature, allowing for stable operation in environments with varying thermal conditions, preventing performance degradation due to thermal expansion.
- Precision & Speed: Manufactured to ABEC 1 | ISO P0 tolerance class, it offers reliable precision for general industrial use, supporting a limiting speed of 17,000 rpm.
6203-2Z/C4 - OBS Bearing Typical Application Areas
This versatile bearing is commonly found in:
- Electric Motors and Generators
- Gearboxes and Transmission Systems
- Industrial Fans and Blowers
- Agricultural Machinery
- Material Handling Equipment
- Various Automotive Components
