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NTN precision angular contact ball bearing · NTN 5S-7922U
Angular contact ball bearing NTN 5S-7922U

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Angular contact ball bearing NTN 5S-7922U

Manufacturer Part Number
5S-7922U
Brand
NTNOfficial distributor
Category
Bearings
Subcategory
Angular contact ball bearings

NTN

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Description

NTN 5S-7922U is a angular contact ball bearing reference, within Bearings. Request a quote for 5S-7922U via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The angular contact ball bearing is a component designed to support combined radial and axial loads in a single direction. Its design with offset raceways allows oblique contact between balls and raceways, giving it a higher axial load capacity than a deep groove ball bearing. It is used in applications requiring high precision and rigidity, such as machine tool spindles, pumps, compressors and gearboxes. MR Accesorios Industriales sells the NTN line for the Argentine market.

The designation of these NTN bearings is interpreted from the series and suffixes. For example, in 5S-7000U, the prefix 5S indicates a special execution with a synthetic material cage and high precision; 7000 corresponds to the diameter series and the suffix U indicates an angular contact design with a 25° contact angle. Other examples such as 5S-7001U or 5S-7002U follow the same logic, varying the size according to the bore diameter. Knowing these codes makes identification easier when replacing a part.

These bearings are used in industries that demand precision and reliability: machine tools, automation equipment, centrifugal pumps, screw compressors, speed reducers and grinding machine spindles. In Argentina, they are common in the metalworking sector, the food industry and the petrochemical industry, where equipment operates with combined loads and high speeds. Their ability to support axial forces makes them suitable for tandem or paired mounting, depending on the load direction.

To correctly select an angular contact bearing, take into account the direction and magnitude of the axial load, the rotation speed and the lubrication conditions. Mounting requires a precise fit and, in many cases, a controlled preload to achieve the desired rigidity. Alignment between shaft and housing is critical; small misalignments can generate additional loads and reduce service life. Sealing or protections must be chosen according to the environment: dust, humidity or contaminants. Lubrication can be grease or oil, depending on the required heat dissipation.

Regarding equivalences, NTN angular contact bearings can be interchanged with those of other brands that follow the same international nomenclature of series and suffixes. However, it is essential to verify tolerances, contact angle and preload conditions, as they may vary between manufacturers. If the customer brings the code of another brand, at MR Accesorios Industriales we analyze it and indicate the compatible alternative. We can also quote the exact size you need.

To proceed with the quote, send the complete code of the bearing you are looking for via WhatsApp, for example 5S-7003U or 5S-7004U. At MR Accesorios Industriales we respond promptly with availability and commercial conditions. If you have doubts about the designation, send us a photo of the part or the code on the bearing and we will help you identify it. We work with the NTN line and other leading brands to cover the needs of Argentine industry.

This description provides guidance on the product type. Check the configuration and dimensions of this reference.

Dimensions

Dimensions and tolerances: Send us the part number via WhatsApp and we'll confirm dimensions, sealing, and internal clearance against the manufacturer's data sheet.

Frequently Asked Questions

What does the suffix U mean in an NTN bearing?
The suffix U indicates a 25° contact angle, which gives it greater axial load capacity than standard designs. It is important to respect this characteristic when replacing the bearing to maintain equipment performance.
How do I know if I need a single or double angular contact bearing?
It depends on the direction of the axial loads. If the load acts in one direction, a single bearing may be sufficient; if it acts in both directions, two bearings mounted in opposition or a double design are required. Our technical team can advise you.
What should I take into account for mounting these bearings?
It is key to control alignment, fit and preload. Adequate preload improves rigidity, but excess increases friction and reduces service life. The lubricant and sealing must also be selected according to the working environment.
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