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KSM 6904 2RS 6900 (61900) Series Ball Bearing (Made in Japan)
MODEL 6904 2RS
$8.33 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: Yes
ID (mm)
20
Measurement Type
Metric
OD (mm)
37
Sealing
Double Sealed
Width (mm)
9
Bearings The KSM 6904 2RS Ball Bearing is a precision-engineered component designed to deliver exceptional performance in a variety of industrial applications. This bearing is part of the highly regarded 6900 series, known for its robust construction and reliability in high-load and high-speed environments.
Key Features
- Design: The KSM 6904 2RS features a double rubber seal (2RS) on both sides, providing excellent protection against dirt, dust, and moisture, which extends the bearing's lifespan.
- Dimensions: With an inner diameter of 20 mm, outer diameter of 37 mm, and a width of 9 mm, this bearing fits a wide range of applications.
- Material: Constructed from high-quality steel, the bearing offers superior strength and durability, ensuring consistent performance under demanding conditions.
- Load Capacity: Capable of handling radial loads and moderate axial loads, this bearing is ideal for applications requiring reliable support.
- Operating Temperature: Suitable for a temperature range of -30°C to +120°C, making it versatile for various environments.
Applications
- Manufacturing: Perfect for use in machinery requiring high-speed rotation and reliability, such as conveyor systems and pumps.
- Automotive: Commonly used in electric motors, gearboxes, and other automotive components that demand precision and durability.
- Industrial Equipment: Ideal for a variety of equipment in the semiconductor, solar, and flat panel industries, ensuring optimal performance in high-tech applications.
Benefits
- Enhanced Protection: The double rubber seal design significantly reduces the risk of contamination, leading to extended service life and reduced maintenance costs.
- High Precision: Engineered for low friction and high accuracy, ensuring smooth operation and improved efficiency in applications.
- Reliability: With KSM's reputation for quality and innovation, users can trust in the performance and longevity of the 6904 2RS Ball Bearing. --- Product information compiled with AI assistance for reference purposes.
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
What is the difference between deep groove and angular contact ball bearings?
Deep groove ball bearings are the most common type. They’re designed to handle mainly radial loads, but they can also take some axial load in both directions. They’re simple, versatile, and used in everything from motors to conveyors. Angular contact ball bearings are built for combined loads, especially where there’s significant axial force in one direction. They’re often used in pairs and are common in higher precision or higher load applications like pumps and gearboxes. If your load is mostly radial, go deep groove. If axial load matters more, angular contact is usually the better choice.
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