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NTN 71918HVUJ74 is a 71 series single-row angular contact ball bearing with a 90 mm straight bore and a stamped steel cage. Designed for high-speed and precision applications such as machine tool spindles and pumps.
MODEL 71918HVUJ74
$1,077.89 Each
Prices are subject to change
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Returnable:No
Enclosure
Open
Height
4.921
Length
4.921
Width
0.7087
Bearings The NTN 71918HVUJ74 Ball Bearing is a high-performance single row angular contact bearing designed for precision applications in automotive and industrial sectors. With a commitment to quality and innovation, NTN ensures that this bearing provides reliable and efficient performance, making it a top choice for engineers and technicians. ## Key Features • **Angular Contact Design:** Provides optimum load handling capabilities, allowing for simultaneous radial and axial loads, which enhances performance in high-speed applications. • **Precision Engineering:** Manufactured to meet stringent tolerances with a contact angle of 40°, ensuring superior accuracy and stability during operation. • **High-Quality Materials:** Constructed with premium-grade steel and advanced lubricants to minimize friction and wear, thus extending the bearing's life cycle. • **Internal Geometry Optimization:** Designed for reduced noise and vibration, contributing to smoother operation and improved energy efficiency. • **Sealed Configuration:** Features integrated seals to protect against contaminants, ensuring longevity and reliability even in harsh environments. ## Applications • **Automotive Industry:** Ideal for use in wheel hubs, gearboxes, and drive systems where precise load handling and durability are critical. • **Industrial Equipment:** Suitable for a variety of applications including pumps, compressors, and conveyors, where high-speed performance is essential. • **Compatibility:** Designed to work seamlessly with other NTN products and components, ensuring optimal system performance. ## Benefits • **Enhanced Performance:** The angular contact design allows for better handling of combined loads, improving the overall efficiency of the machinery. • **Durability:** High-quality materials and protective seals ensure the bearing withstands demanding operating conditions, reducing the need for frequent replacements. • **Energy Efficiency:** Reduced friction translates to lower energy consumption, contributing to cost savings over time. --- *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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