Thrust ball bearing de contacto angular NTN 2A-BST20X47-1B

NTN 2A-BST20X47-1B is a thrust ball bearing de contacto angular reference, within Bearings. Request a quote for 2A-BST20X47-1B via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The NTN 2A-BST series angular contact thrust ball bearing is a component designed to carry predominantly axial loads in one direction, with a load capacity higher than that of conventional thrust ball bearings. It is used in applications requiring high axial rigidity and precision, such as machine tool spindles, rotary tables and measuring equipment. Its angular contact design allows it to combine moderate axial and radial loads, delivering reliable performance under demanding conditions.

The 2A-BST series designation is interpreted as follows: the prefix 2A indicates the double-acting angular contact design, while BST identifies the angular contact thrust ball series. The numbers that follow, as in 2A-BST17X47-1B or 2A-BST40X90-1B, correspond to the shaft diameter and the outer diameter respectively, expressed in millimeters. The suffix -1B indicates a specific design variant, generally associated with the contact angle or the cage type. This nomenclature allows the main dimensions and the bearing configuration to be identified quickly.

These bearings are used in industries where precision and axial capacity are critical. In Argentina, they are common in CNC machine tools, presses, plastic injection equipment and high-accuracy positioning systems. They are also found in gearboxes and lifting mechanisms that need to withstand considerable axial thrust. Their robustness makes them suitable for continuous production environments, where reliability and repeatability are essential to maintaining process quality.

To correctly select a 2A-BST bearing, it is essential to consider the axial load it will carry, as well as the speed and lubrication conditions. Mounting requires precise alignment between the shaft and the housing, since these bearings are sensitive to angular misalignment. It is recommended to use adequate lubrication, whether grease or oil, depending on the application, and to verify the axial clearance to ensure optimal operation. Sealing will depend on the environment; in contaminated environments, additional protection may be required.

As for equivalents and interchangeability, NTN 2A-BST series bearings can be replaced by products from other brands that follow the same dimensional nomenclature and meet the same load and speed specifications. It is important to verify the tolerances and the contact angle, since small differences can affect performance. When requesting a quote, provide the complete part number and, if possible, the dimensions and the application to ensure compatibility.

To request a quote for NTN 2A-BST series angular contact thrust ball bearings, contact MR Accesorios Industriales by WhatsApp. Tell us the exact part number or the dimensions you need and we will reply shortly with the required information. With more than 80 years of experience, at MR Accesorios Industriales we are ready to advise you on selecting the right bearing for your application.

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