High Precision CNC Machined POM Ring Bearing Assembly | Custom Plastic Bearing Manufacturer

High Precision CNC Machined POM Ring Bearing Assembly

Designed for demanding industrial applications, this custom CNC machined POM ring bearing assembly combines lightweight engineering plastic with precision stainless steel balls to deliver smooth, reliable rotary motion.

Both the inner ring and outer ring are manufactured from premium POM (Polyoxymethylene) using precision CNC machining, ensuring excellent dimensional accuracy, low friction, outstanding wear resistance and long service life.

Unlike standard metal bearings, this plastic bearing assembly offers lower noise, corrosion resistance and reduced weight, making it an ideal solution for automation equipment, conveyor systems and precision motion mechanisms.

Whether you require a prototype or high-volume OEM production, Suntron provides complete custom machining services based on your drawings or samples.

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Specifications

Material

POM (Polyoxymethylene)

Ball Material

Stainless Steel

Outer Diameter

120 mm

Inner Diameter

91.67 mm

Thickness

8 mm

Manufacturing Process

Precision CNC Machining

Tolerance

Up to ±0.01 mm (Custom Available)

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Features

• Precision CNC machined POM rings
• Smooth rolling performance
• Stainless steel ball design
• Low friction and low noise
• Excellent wear resistance
• Corrosion resistant
• Lightweight engineering plastic
• Long service life
• Maintenance-free operation
• OEM & ODM customization available

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Applications

This POM ring bearing assembly is widely used in:

• Conveyor systems
• Automation equipment
• Rotary guide mechanisms
• Packaging machinery
• Food processing equipment
• Semiconductor equipment
• Textile machinery
• Printing equipment
• Robotic systems
• Precision industrial machinery

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Custom Manufacturing

Suntron specializes in custom CNC machining of engineering plastics.

We support:

• Custom dimensions
• Custom bearing structures
• Stainless steel, ceramic or glass balls
• POM, PEEK, PTFE, UHMWPE, PA and PI materials
• Prototype development
• Small batch production
• Mass production
• OEM & ODM manufacturing

Simply send us your 2D drawings, 3D CAD files or samples.

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Why Choose Suntron

• Over 15 years of CNC machining experience
• Engineering plastic machining specialist
• Tight tolerances up to ±0.01 mm
• Fast prototype service
• Stable quality control
• Exported to customers worldwide
• One-stop custom manufacturing solution

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FAQ

Is this a standard bearing?

No. This is a custom CNC machined POM ring bearing assembly manufactured according to customer requirements.

Can you customize the size?

Yes. Outer diameter, inner diameter, thickness, raceway design and ball size can all be customized.

What ball materials are available?

We offer stainless steel, zirconia ceramic, silicon nitride ceramic and glass balls.

Can you manufacture according to drawings?

Yes. We support STEP, STP, IGES, X_T, DXF, PDF and SolidWorks files.

What industries use this product?

Automation, packaging, semiconductor, food processing, textile, conveyor systems and robotics.

Can you produce prototypes?

Yes. Prototype machining and low-volume production are both available.