6312-2Z/C4VT127
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
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Product Overview and Core Advantages
The 6312-2Z/C4VT127 is a single row deep groove ball bearing designed for high-performance industrial applications. This precision bearing features a shielded design, enabling reliable operation under substantial radial loads. Its C4 radial internal clearance makes it particularly suitable for applications with thermal expansion or where interference fits are used, ensuring stable performance across a wide temperature range. The combination of high dynamic and static load ratings with ABEC 1 precision makes this bearing an excellent choice for demanding applications requiring both durability and consistent operation.
6312-2Z/C4VT127 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 6312 | Basic designation: 60mm bore, 130mm OD, 31mm width | Standard dimensions for easy replacement and integration |
| 2Z | Shielded on both sides | Effective contamination protection while maintaining high-speed capability |
| C4 | Greater than normal radial internal clearance | Accommodates thermal expansion and interference fits |
| VT127 | Vibration level specification | Reduced noise and vibration for smoother operation |
Structural Features and Performance Benefits
Optimized Load Distribution: The single row deep groove raceway geometry ensures efficient radial load distribution, contributing to the impressive 18,412 lbf dynamic load rating and extended service life.
Enhanced Contamination Protection: The double-shielded (2Z) construction provides effective protection against particulate contamination while maintaining lower friction compared to contact seals, supporting the 5,300 rpm limiting speed.
Thermal Stability: The C4 radial clearance accommodates differential thermal expansion between bearing components and housing, preventing premature failure in applications with significant temperature variations (-30° to 120°C).
Precision Manufacturing: Manufactured to ABEC 1 | ISO P0 tolerance class with chrome steel construction throughout (rings, balls, and cage), ensuring consistent performance and dimensional stability.
6312-2Z/C4VT127 Bearing Typical Application Areas
- Electric Motors: Industrial motors requiring reliable radial load support with contamination protection
- Material Handling Equipment: Conveyor systems, pulley assemblies, and gearboxes
- Industrial Pumps: Centrifugal pumps and circulating systems
- Agricultural Machinery: Implement drives and transmission systems
- General Industrial Machinery: Fans, blowers, and light-duty machinery requiring precision bearing performance
