NTN 2A-BST50X100-1B thrust ball bearing de contacto angular

NTN 2A-BST50X100-1B belongs to thrust ball bearing de contacto angular, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for 2A-BST50X100-1B and any equivalents.

For equipment that must handle axial loads in one direction, the NTN 2A-BST series angular contact thrust ball bearing delivers high axial rigidity and precision. Its design carries both axial and moderate radial loads, making it a fit for machine tool spindles, rotary tables, and measuring equipment where accuracy matters.

Reading the part number helps you confirm the configuration before you order. The 2A prefix denotes a double-acting angular contact design, and BST identifies the angular contact thrust ball series. The digits that follow give the shaft diameter and the outer diameter in millimeters. A suffix such as -1B points to a design variant, typically tied to the contact angle or cage type.

These bearings appear in CNC machine tools, presses, plastic injection equipment, and high-accuracy positioning systems. You will also find them in gear reducers and lifting mechanisms that must absorb considerable axial thrust. In continuous production environments, their robustness supports the reliability and repeatability needed to maintain process quality.

Selection should start with the axial load the bearing will see, along with speed and lubrication conditions. Mounting calls for precise alignment between shaft and housing, because these bearings are sensitive to angular misalignment. Use the appropriate grease or oil for the application, and check axial clearance for optimal operation. Sealing depends on the environment; contaminated areas may need extra protection.

For 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. Verify tolerances and contact angle, since small differences can affect performance. When you request a quote, share the complete part number and, if possible, the dimensions and application to confirm compatibility.

To request a quote for NTN 2A-BST series angular contact thrust ball bearings, contact MR Industrial Accessories via WhatsApp or email. Send the exact part number or the dimensions you need, and the team will reply promptly. We can also suggest equivalents and help you choose the right bearing for your equipment.