High-performance full PTFE bearing with Si₃N₄ ceramic balls, designed for cleanroom, semiconductor and chemical applications requiring corrosion resistance, low friction and metal-free operation.

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Product Description

Full PTFE Bearing with Si₃N₄ Ceramic Balls

Designed for demanding industrial environments, this full PTFE bearing combines a completely metal-free structure with silicon nitride ceramic balls to provide reliable performance in corrosive, clean and precision applications.

The inner ring, outer ring and cage are precision CNC machined from high-performance PTFE, offering excellent chemical resistance, low friction and stable operation. The Si₃N₄ ceramic balls provide smooth rotation, high wear resistance and long service life compared with conventional steel balls.

This bearing is ideal for applications where traditional metal bearings may suffer from corrosion, contamination or lubrication limitations.

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Key Features

100% PTFE Bearing Structure

All main components are manufactured from PTFE, providing excellent chemical resistance and reducing the risk of metal contamination.

Si₃N₄ Ceramic Ball Technology

Silicon nitride ceramic balls deliver:

• Low friction operation
• Excellent wear resistance
• High chemical stability
• Long service performance

Precision CNC Machined

Manufactured through precision machining processes to achieve accurate dimensions and reliable assembly.

Metal-Free Solution

Suitable for applications requiring non-metallic components and clean operating environments.

Maintenance-Friendly Design

PTFE material provides self-lubricating characteristics, reducing the need for additional lubrication.

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Technical Specifications

Item	Specification
Bearing Type	Full PTFE Ceramic Ball Bearing
Outer Diameter	32 mm
Inner Diameter	15 mm
Width	8 mm
Outer Ring Material	PTFE
Inner Ring Material	PTFE
Cage Material	PTFE
Ball Material	Si₃N₄ Ceramic
Machining Process	CNC Precision Machining

Applications

This PTFE ceramic bearing is commonly used in:

• Semiconductor manufacturing equipment
• Cleanroom automation systems
• Chemical processing equipment
• LCD / glass handling machinery
• Medical equipment
• Laboratory automation
• Precision inspection systems

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Why Choose Suntron PTFE Bearings?

• CNC machining capability for high-performance plastics
• Experience with PEEK, PTFE, PI and other engineering plastics
• Customized dimensions and structures available
• Suitable for demanding industrial environments
• One-stop solution from material selection to finished components

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FAQ

1. Is this bearing completely made of PTFE?

Yes. The inner ring, outer ring and cage are all manufactured from PTFE.

2. What type of balls are used?

This bearing uses Si₃N₄ (silicon nitride) ceramic balls.

3. Can PTFE bearings work without lubrication?

Yes. PTFE has excellent self-lubricating properties and can operate in applications where traditional lubrication is unsuitable.

4. Is this bearing suitable for cleanroom applications?

Yes. The metal-free design helps reduce contamination risks.

5. Can this bearing resist chemicals?

Yes. PTFE offers excellent resistance to many acids, alkalis and chemical media.

6. Can you manufacture other sizes?

Yes. We provide customized PTFE bearings according to drawings or application requirements.

7. What tolerance can you achieve?

Our CNC machining capability can achieve approximately ±0.01 mm depending on product structure and size.

8. What industries use PTFE ceramic bearings?

They are widely used in semiconductor, chemical, medical, automation and precision equipment industries.