This article details the technical specifications, performance advantages, and real-world applications of the KYKY CXF1401(CF/LF) magnetic levitation molecular pump upper bearing, including 10 FAQs to help customers make informed decisions.

Product Overview
The KYKY CXF1401(CF/LF) magnetic levitation molecular pump upper bearing is a high-performance core component designed for magnetic levitation molecular pumps. Utilizing advanced materials and precision manufacturing, it delivers ultra-low vibration, long service life, and high reliability, making it ideal for semiconductor manufacturing, optical coating, and scientific instruments.
Key Technical Specifications
Parameter
|
CF Model
|
LF Model
|
Unit
|
Bearing Inner Diameter
|
Φ14
|
Φ14
|
mm
|
Bearing Outer Diameter
|
Φ40
|
Φ40
|
mm
|
Bearing Height
|
12
|
12
|
mm
|
Rated Speed
|
≤60,000
|
≤60,000
|
rpm
|
Dynamic Load Capacity
|
≥80
|
≥100
|
N
|
Static Load Capacity
|
≥200
|
≥250
|
N
|
Operating Temperature
|
-40~+80
|
-40~+80
|
℃
|
Vibration Level
|
≤0.1
|
≤0.08
|
μm
|
Application Cases
Case 1: Semiconductor Manufacturing Equipment
A leading global semiconductor equipment manufacturer adopted the KYKY CXF1401LF upper bearing in its 12-inch wafer etching machine, successfully reducing pump vibration to below 0.05μm, significantly improving process stability.
Case 2: Optical Coating System
A major Chinese optical coating company purchased CXF1401CF bearings for its magnetron sputtering equipment, achieving over 8,000 hours of continuous operation without failure, reducing maintenance costs by 60%.
Frequently Asked Questions (FAQs)
1、Q: What’s the main difference between KYKY CXF1401 and conventional bearings?
A: It uses magnetic levitation technology, reducing friction by 90% and extending service life 3-5 times.
2、Q: What’s the difference between CF and LF models?
A: The LF model has higher load capacity and lower vibration, suitable for more demanding applications.
3、Q: What is the operating temperature range?
A: Standard range is -40℃ to +80℃, with extended options up to -50℃ to +120℃.
4、Q: Does it require special lubrication?
A: No, it features solid lubrication technology, eliminating the need for regular oiling.
5、Q: What is the average MTBF (Mean Time Between Failures)?
A: Lab tests show MTBF exceeds 10,000 hours.
6、Q: Is it compatible with other brands of magnetic levitation pumps?
A: Compatibility depends on dimensions; consult our technical team for confirmation.
7、Q: What is the warranty period?
A: Standard warranty is 12 months, extendable to 24 months upon agreement.
8、Q: Do you offer customization?
A: Yes, we support custom sizes, materials, and performance parameters.
9、Q: How do I know when the bearing needs replacement?
A: Key indicators include vibration exceeding 0.2μm or abnormal speed drop.
10、Q: What is the lead time?
A: Standard models are in stock; custom models typically take 4-6 weeks.
Technical Advantages
✅ Ultra-low vibration – Reduces vibration by 90% compared to traditional bearings
✅ High reliability – Enhanced surface treatment extends lifespan 5x
✅ Energy-efficient – Reduces friction-related energy loss by 30%
✅ Smart monitoring – Optional integrated sensors for real-time performance tracking