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The NSK 6915DDU is a sealed deep groove ball bearing with 75 mm bore. It features double contact rubber seals (DDU) on both sides for effective contaminant exclusion and grease retention. Suitable for electric motors, pumps, fans, and general industrial applications.
MODEL 6915DDU
$478.05 Each
Prices are subject to change
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Returnable: Yes
6900 Series Ball Bearings The NSK 6915DDU Ball Bearing is a high-performance component designed for a wide variety of applications, particularly in automotive and industrial machinery. This bearing features advanced sealing technology and precision engineering, ensuring optimal performance and durability in demanding environments.
Key Features
| Design | Deep groove ball bearing design allows for high radial and axial load capacities, making it versatile for various applications. |
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| Material | Constructed from high-quality bearing steel for enhanced strength and resistance to wear, ensuring longevity. |
| Sealing | Double-lip seal (DDU) for superior protection against contaminants and lubrication retention, extending service life. |
| Dimensions | Inner diameter of 75 mm, outer diameter of 105 mm, and a width of 16 mm, making it ideal for tight spaces. |
| Load Rating | Dynamic load rating of 33.5 kN and static load rating of 21.5 kN, providing excellent performance under load. |
Applications
| Automotive Industry | Perfect for use in wheel hubs, transmissions, and electric power steering systems, contributing to improved vehicle performance and reliability. |
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| Industrial Machinery | Suitable for a variety of industrial applications such as conveyor systems, pumps, and motors, where durability and low friction are critical. |
| Compatibility | Designed to work seamlessly with various NSK products and compatible bearings, ensuring easy integration into existing systems. |
| Operational Environment | Ideal for applications requiring resistance to dust, moisture, and other environmental factors. |
Benefits
| Enhanced Performance | The precision design reduces friction, leading to improved efficiency and lower energy consumption. |
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| Increased Reliability | The robust construction and sealing technology provide exceptional resistance to wear and contamination, resulting in reduced maintenance needs. |
| Long Service Life | Engineered for longevity, this bearing minimizes downtime and replacement costs, making it a cost-effective solution for users. |
| Customer Satisfaction | Backed by NSK's commitment to quality and innovation, ensuring a product you can trust for demanding applications. --- 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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