6338 M/C4H
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6338 M/C4H
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
47500 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
190 mm
Bore diameter tolerance
-0.022mm to 0
Outside diameter
400 mm
Outside diameter tolerance
-0.028mm to 0
Width
78 mm
Width tolerance
-0.3mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
83404 lbf
Radial static load rating
96668 lbf
Limiting speed
3 X 1000 rpm
Lubrication
None
Radial internal clearance
C4
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Machined metal
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1405.69
/ each
In Stock
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6338 M/C4H Bearing Product Overview & Core Advantages
The 6338 M/C4H is a single row deep groove ball bearing designed for exceptional performance in demanding industrial applications. This metric bearing excels at handling primarily radial loads and offers high operational reliability. Its key advantages include a generous C4 radial internal clearance for applications involving thermal expansion or shaft misalignment, and a robust construction featuring machined metal cage for stability at moderate speeds. With a high radial dynamic load rating of 83,404 lbf and a radial static load rating of 96,668 lbf, it is engineered for durability and long service life in heavy-duty machinery.
6338 M/C4H Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| M | Indicates a machined metal cage, typically brass or steel, offering high strength, excellent guidance, and suitability for higher operating temperatures. |
| C4 | Denotes a greater than normal radial internal clearance. This is crucial for applications where thermal expansion of the shaft or housing is expected, preventing pre-load and ensuring smooth operation. |
| H | Signifies that the bearing is manufactured from through-hardened steel, providing a uniformly high hardness for consistent performance and wear resistance. |
6338 M/C4H Bearing Structural Features & Performance Benefits
- Robust Single Row Design: The deep groove raceway and continuous shoulder design enable efficient handling of high radial loads and moderate axial loads in both directions.
- Machined Metal Cage (M): This cage material ensures superior cage strength and stability, contributing to reliable performance at the limiting speed of 3,000 rpm and in demanding environments.
- Optimized Internal Clearance (C4): The C4 clearance is a critical feature for applications prone to thermal gradients, preventing binding and reducing friction for enhanced operational reliability.
- High-Precision Components: Manufactured to ABEC 1 | ISO P0 tolerance class, this bearing guarantees consistent dimensional accuracy and smooth running for general industrial use.
- Heavy-Duty Load Capacity: With substantial dynamic and static load ratings, the 6338 M/C4H is built to withstand significant forces, ensuring longevity and reduced downtime.
6338 M/C4H Bearing Typical Application Areas
This bearing is ideally suited for a wide range of industrial machinery requiring robust performance and reliability. Common applications include:
- Industrial Gearboxes and heavy-duty power transmission systems.
- Large Electric Motors and generators.
- Vibrating Screens and other material handling equipment.
- Construction and Mining Machinery such as conveyor pulleys and crushers.
- Agricultural Equipment including heavy-duty tractors and harvesters.
