A precision CNC machined UHMWPE plastic bearing designed for low friction, corrosion resistance and long service life. Featuring UHMWPE inner ring, outer ring and cage with stainless steel balls, it is ideal for demanding industrial applications.

Large Diameter UHMWPE Plastic Bearing for Industrial Applications

SUNTRON manufactures custom CNC machined UHMWPE plastic bearings for applications where traditional metal bearings cannot provide the required performance.

This large diameter bearing features a complete UHMWPE structure, including the inner ring, outer ring and cage, combined with stainless steel balls. The design provides excellent wear resistance, low friction and corrosion resistance, making it suitable for harsh environments, wet conditions and clean industrial systems.

Unlike conventional metal bearings, UHMWPE bearings offer lightweight construction, self-lubricating characteristics and reliable operation with reduced maintenance requirements.

With advanced CNC machining capabilities, SUNTRON can produce customized plastic bearings according to your drawings, dimensions and application requirements.

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Key Advantages

Why Choose UHMWPE Plastic Bearings?

Low Friction Performance

UHMWPE provides excellent sliding characteristics, reducing friction during continuous operation.

Excellent Wear Resistance

The high abrasion resistance of UHMWPE ensures long service life in demanding applications.

Corrosion Resistant

Suitable for environments exposed to water, chemicals and frequent cleaning processes.

Maintenance Friendly

Self-lubricating properties help reduce lubrication requirements and maintenance costs.

Large Diameter Capability

Specialized CNC machining allows production of large plastic bearings beyond standard sizes.

Custom Engineering

Dimensions, materials and structures can be customized according to your equipment requirements.

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Technical Specifications

Item	Specification
Product Type	UHMWPE Plastic Ball Bearing
Outer Ring Material	UHMWPE
Inner Ring Material	UHMWPE
Cage Material	UHMWPE
Ball Material	Stainless Steel
Outer Diameter	Approx. 250 mm
Manufacturing Process	CNC Precision Machining
Customization	Available

Applications

Food Processing Equipment

Clean operation, corrosion resistance and easy maintenance make UHMWPE bearings suitable for food machinery.

Conveyor & Transfer Systems

Used in low-noise and low-friction material handling applications.

Chemical Equipment

Excellent resistance against many corrosive environments.

Washing & Cleaning Systems

Suitable for equipment exposed to water and cleaning agents.

Textile Machinery

Provides smooth movement and reliable operation.

Automation Equipment

Lightweight and maintenance-friendly solution for industrial automation.

Custom Manufacturing

SUNTRON specializes in CNC machining of high-performance plastic components.

We support:

✓ Custom dimensions
✓ Prototype production
✓ Small batch manufacturing
✓ Mass production
✓ Material selection support

Available materials:

• UHMWPE / UPE
• PEEK
• PI
• PTFE
• POM
• Nylon

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FAQ

1. What is a UHMWPE plastic bearing?

A UHMWPE plastic bearing is a bearing made from ultra-high molecular weight polyethylene, offering low friction, high wear resistance and corrosion resistance.

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2. Can this bearing replace metal bearings?

It can replace metal bearings in applications requiring lightweight, corrosion-resistant and low-maintenance solutions.

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3. What environments are suitable for UHMWPE bearings?

They are suitable for wet environments, chemical environments, food processing equipment and clean industrial applications.

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4. Can you make different sizes?

Yes. SUNTRON produces customized plastic bearings according to customer drawings and specifications.

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5. What tolerance can you achieve?

Our CNC machining capability allows precision control depending on the material and part structure.

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6. Can ceramic balls be used instead of stainless steel balls?

Yes. Ceramic balls such as ZrO₂ or Si₃N₄ can be supplied according to application requirements.

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7. Do UHMWPE bearings need lubrication?

Many applications can operate without additional lubrication due to the naturally low friction properties of UHMWPE.

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8. What industries use these bearings?

Common applications include food machinery, conveyors, chemical equipment, automation systems and industrial machinery.