45TAC75 60° Thrust Angular Contact Ball Bearing 45×75×15mm For CNC Ball Screw Support

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.

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👉 Full technical data and drawings available upon request

• High axial‑radial combined load capacity for precision machine‑tool applications
• 60‑degree large contact angle provides outstanding rigidity for ball‑screw assemblies
• Optimized raceway for low‑heat generation and stable high‑precision rotation
• Available for universal pairing (SU / DF / DT mounting arrangements)
• Suitable for CNC lathe, machining‑center ball screw support units
• Custom design available (precision grade, preload class, OEM laser marking)

👉 Helps reduce maintenance cost and improve machine performance

This bearing is widely used in:

• CNC machining‑center ball screw support assemblies
• CNC lathe and grinding‑machine feed‑drive units
• Precision automation linear motion mechanisms
• High‑accuracy servo‑driven positioning equipment
• Machine‑tool retrofit and aftermarket replacement projects

👉 Ideal for customers looking for reliable and long‑life bearing solutions

• 25+ years experience in industrial bearing manufacturing
• Exported to 50+ countries worldwide
• Rich experience in OEM & custom projects
• Strict quality inspection before shipment
• Fast response within 24 hours
• Stable supply for long‑term cooperation

👉 We focus on quality, reliability, and long‑term partnership

• Raw material chemical composition & hardness inspection
• Precision turning and raceway mirror‑superfinishing machining
• Heat treatment process control for stable internal stress
• Rigidity, preload & rotational accuracy testing
• Final visual & dimensional inspection before delivery

👉 Ensuring consistent performance for every bearing

Looking for reliable 45TAC75 thrust angular contact ball bearings for CNC machine‑tool ball‑screw support?

👉 Send your inquiry to get:
Fast quotation within 24 hours
Technical support from engineers
Custom solution suggestions
Competitive factory price

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Q1: Can you provide custom bearings?

Yes, we support OEM and custom production based on drawings or requirements. Different precision grades and preload classes are optional.

Q2: What is your delivery time?

Standard models: 7–15 days
Custom products: depending on specifications

Q3: Do you support bulk orders?

Yes, we provide stable supply for long‑term cooperation.