6312/C3W64
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6312/C3W64
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
1699 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
60 mm
Bore diameter tolerance
-0.015mm to 0
Outside diameter
130 mm
Outside diameter tolerance
-0.018mm to 0
Width
31 mm
Width tolerance
-0.150mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
18412 lbf
Radial static load rating
11735 lbf
Limiting speed
5.3 X 1000 rpm
Lubrication
Soild Oil
Radial internal clearance
C3
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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6312/C3W64 Bearing Product Overview & Core Advantages
The 6312/C3W64 is a single row deep groove ball bearing engineered for high-performance industrial applications requiring robust radial load capacity and reliable operation. This metric bearing features a C3 radial internal clearance for applications with thermal expansion or misalignment, and is pre-lubricated with Solid Oil (W64) for long-term, maintenance-free service. Its open design and ABEC 1 (ISO P0) precision make it a versatile and cost-effective solution for a wide range of machinery.
6312/C3W64 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning | Benefit |
|---|---|---|
| 6312 | Basic designation: 60mm bore, 130mm OD, 31mm width | Defines standard bearing dimensions for interchangeability. |
| C3 | Radial internal clearance greater than normal | Accommodates thermal expansion and shaft misalignment, preventing premature failure. |
| W64 | Lubricated with Solid Oil polymer compound | Provides maintenance-free lubrication, resistant to washout and leakage, ideal for contaminated environments. |
6312/C3W64 Bearing Structural Features & Performance Benefits
- High Load Capacity: The single row deep groove construction and chrome steel components (rings, balls, cage) enable a high radial dynamic load rating of 18,412 lbf, making it suitable for demanding applications.
- Optimized Internal Clearance: The C3 clearance provides operational stability in applications where temperature fluctuations or fitting practices result in a tighter effective internal clearance.
- Maintenance-Free Operation: The integrated Solid Oil lubrication (W64) ensures consistent performance without the need for re-lubrication, reducing lifecycle costs and preventing contamination.
- Standard Precision & Robustness: Manufactured to ABEC 1 (ISO P0) tolerance standards, it offers reliable performance for general industrial use with a limiting speed of 5,300 rpm.
6312/C3W64 Bearing Typical Application Areas
This bearing is commonly specified in:
- Electric Motors and Gearboxes
- Industrial Pumps and Fans
- Material Handling Equipment (conveyors, pulleys)
- Agricultural Machinery
- General Industrial Machinery requiring robust and reliable ball bearing support.
