SUNTRON full PTFE ceramic ball bearings combine CNC machined PTFE inner rings, outer rings and cages with high-performance Si3N4 ceramic balls. Designed for semiconductor equipment, chemical processing and cleanroom applications requiring excellent corrosion resistance, low friction and non-metallic performance.

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Product Description

Full PTFE Ceramic Ball Bearing for Extreme Industrial Environments

When traditional metal bearings face corrosion, contamination or lubrication challenges, full PTFE ceramic bearings provide a reliable alternative.

SUNTRON manufactures custom full PTFE ceramic ball bearings using precision CNC machining technology. The bearing features a complete PTFE structure with PTFE inner ring, PTFE outer ring, PTFE cage and Si3N4 ceramic balls, delivering excellent chemical resistance, smooth operation and clean performance.

This bearing solution is designed for industries where reliability and material compatibility are critical, including semiconductor manufacturing, chemical equipment, laboratory systems and cleanroom automation.

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Product Features

100% PTFE Precision Machined Structure

All major bearing components are manufactured from PTFE:

• PTFE outer ring
• PTFE inner ring
• PTFE cage

Advantages:

✓ Excellent chemical resistance
✓ Low friction performance
✓ Lightweight construction
✓ Reduced contamination risk

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Si3N4 Ceramic Ball Technology

High-performance silicon nitride ceramic balls provide:

• Excellent corrosion resistance
• High wear resistance
• Smooth rotation
• Low friction operation
• Long service life

Compared with conventional steel balls, Si3N4 ceramic balls perform better in harsh environments.

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Designed for Cleanroom Applications

The non-metallic structure makes this bearing suitable for environments requiring:

• Low particle generation
• Clean operation
• Chemical compatibility
• Reduced maintenance

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Oil-Free Operation Capability

PTFE naturally provides low-friction characteristics, allowing the bearing to operate with reduced lubrication requirements.

Ideal for applications where oil contamination must be avoided.

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Technical Specifications

Specification	Details
Product Type	Full PTFE Ceramic Ball Bearing
Outer Diameter	79.8 mm
Inner Diameter	40 mm
Width	18.05 mm
Outer Ring Material	CNC Machined PTFE
Inner Ring Material	CNC Machined PTFE
Cage Material	PTFE
Ball Material	Si3N4 Ceramic
Manufacturing Process	CNC Precision Machining

Applications

Semiconductor Equipment

Used in:

• Wafer cleaning equipment
• Wet process equipment
• Cleanroom automation
• Precision transfer systems

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Chemical Processing Equipment

Suitable for:

• Corrosive environments
• Chemical pumps
• Fluid handling systems
• Processing machinery

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Laboratory & Medical Equipment

Applications include:

• Analytical equipment
• Precision instruments
• Testing systems

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Food & Pharmaceutical Machinery

Benefits:

• Corrosion resistance
• Easy cleaning
• Reduced contamination

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Why Choose SUNTRON?

SUNTRON specializes in high-performance plastic bearing solutions for demanding industrial applications.

Our capabilities include:

✓ CNC machining of PTFE, PEEK, PI and POM materials
✓ Custom plastic bearing development
✓ Precision manufacturing for industrial equipment
✓ Prototype and production support
✓ Global export experience

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FAQ

1. What is a full PTFE ceramic bearing?

A full PTFE ceramic bearing uses PTFE for the inner ring, outer ring and cage, combined with ceramic balls instead of traditional metal components.

2. Why choose Si3N4 ceramic balls?

Si3N4 ceramic balls provide excellent corrosion resistance, low friction and high wear resistance, making them suitable for harsh environments.

3. Is this bearing suitable for semiconductor equipment?

Yes. The non-metallic PTFE structure is suitable for cleanroom and semiconductor applications.

4. Can this bearing work without lubrication?

Yes. PTFE provides self-lubricating characteristics. Final performance depends on operating conditions.

5. Can you make customized sizes?

Yes. SUNTRON provides custom bearings according to drawings, samples or application requirements.

6. What industries use PTFE ceramic bearings?

Common applications include semiconductor, chemical, medical, laboratory, food and automation industries.

7. What is the advantage compared with stainless steel bearings?

PTFE ceramic bearings offer better chemical resistance, lower weight and reduced contamination risk.

8. What is the production capability?

SUNTRON supports prototype orders, small batches and mass production according to customer requirements.