1. Product Overview The 45TAC75 is a high‑precision 60‑degree thrust angular contact ball bearing, designed for CNC machine tool ball screw support applications. It delivers high axial rigidity, excellent positioning accuracy, and can bear heavy combined axial‑radial loads.It is widely used in machining centers, lathes and automation equipment where precise ball‑screw positioning is required. 👉 Get a quote within 24 hours for your project 2. Technical Specifications Model