NTN 7902CDLLB angular contact ball bearing

NTN 7902CDLLB is a reference of angular contact ball bearing, within Bearings. Request a quote for 7902CDLLB via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The NTN 79 LLB series angular contact ball bearing is a precision component designed to support combined radial and axial loads in a single direction. Its contact angle design makes it suitable for applications requiring high rigidity and rotational accuracy, such as machine tool spindles or measuring equipment. MR Accesorios Industriales sells this series as part of its precision bearing line, with experience in the Argentine industrial market.

The 79 LLB series designation is read as follows: the base number indicates the bearing size according to the bore diameter, where the last two digits correspond to the diameter in millimeters multiplied by 5. The letters CD indicate an angular contact design with a 15° angle and a polyamide cage, while LLB indicates the type of sealing or protection. Thus, a code such as 7000CDLLB is an angular contact bearing of the 70 series, with the CD and LLB characteristics. This nomenclature allows the key specifications to be identified quickly.

These bearings are used in applications that demand high precision and combined load capacity. In Argentine industry, they are common in machine tool spindles, milling machine heads, measuring equipment, industrial robots and positioning systems. They are also used in high-pressure pumps and compressors where axial rigidity is required. Their ability to run at high speeds makes them suitable for precision electric motors and grinding machine spindles.

To correctly select an angular contact bearing, the direction of the axial load, the internal clearance, the lubrication and the mounting must be considered. These bearings are generally mounted in pairs, with preload adjusted to eliminate axial clearance and increase rigidity. The LLB seal protects against contamination and retains the lubricant. Alignment between the shaft and the housing is critical; any misalignment reduces service life. Following the manufacturer's instructions for mounting and lubrication is recommended.

As for equivalents and interchangeability, NTN angular contact bearings can be replaced by products from other brands that follow the same international nomenclature, such as SKF, FAG or NSK, provided the dimensions and the load and speed specifications match. It is important to verify the contact angle and the cage type, as these can vary between manufacturers. For a safe replacement, it is advisable to consult a specialist and provide the complete part number of the original part.

If you need a quote for an angular contact bearing of the 79 LLB series or any other model, write to us on WhatsApp with the exact part number. At MR Accesorios Industriales we will quote it for you shortly and advise you so you can find the right part for your application. We can also help you if you have an unidentified part or a part number from another brand.