Angular contact ball bearing NTN 5S-7907UAD

NTN 5S-7907UAD is a angular contact ball bearing reference, within Bearings. Request a quote for 5S-7907UAD via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

NTN 5S-79 series angular contact ball bearings are precision components designed to support combined radial and axial loads in a single direction. They are used in applications requiring high rotational accuracy and rigidity, such as machine tool spindles, measuring equipment and positioning systems. Their angular contact design allows paired arrangements for loads in both directions. MR Accesorios Industriales sells this series with the technical backing of more than 80 years in the Argentine industrial market.

The designation of this series combines a prefix and a suffix that identify its main characteristics. The prefix 5S indicates that the bearing incorporates ceramic balls, which reduces weight and improves high-speed performance. The four-digit number, as in 7000 or 7007, defines the size and load capacity according to the NTN catalog. The suffix UAD indicates a specific angular contact configuration, generally associated with a particular contact angle and cage design. For example, 5S-7000UAD and 5S-7004UAD share the prefix and suffix, differing in size.

These bearings are used in milling machine, grinding machine and machining center spindles, where precision and speed are critical. They are also found in metrology equipment, rotary tables and high-accuracy transmission systems. In Argentina, industries such as automotive, aerospace and precision machinery manufacturing use this series to ensure smooth, long-lasting operation. Their ability to support combined loads makes them suitable for tandem or face-to-face arrangements, depending on the rigidity and load direction requirements.

To select the correct bearing, take into account the type of load, the rotational speed and the environmental conditions. Sealing or shield plates must be chosen according to exposure to contaminants; in clean environments, they can be used without seals to minimize friction. Lubrication is crucial: in high-speed applications, low-viscosity grease or oil is recommended, verifying compatibility with the ceramic balls. Mounting requires precise alignment and proper adjustment of axial clearance, often using precision lock nuts or spacers. Incorrect mounting can generate vibrations and reduce service life.

When looking for equivalents, it is important to consider that each manufacturer has its own nomenclature. NTN angular contact bearings can be interchanged with those of other recognized brands, as long as the main dimensions, contact angle and tolerances match. However, designations with prefixes such as 5S indicate special characteristics, such as ceramic balls, which are not always available from other brands. If you need to replace an existing bearing, the safest approach is to provide the complete code or the exact dimensions to identify the compatible alternative.

If you are looking for NTN 5S-79 series bearings, at MR Accesorios Industriales we can quote them to you. Send us the code or model you need on WhatsApp and we will reply promptly with the technical and commercial information. With more than 80 years of experience, we are your partner for precision components.

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