Custom CNC Machined PEEK Bearing Cage | Precision Plastic Bearing Retainer

Precision Machined PEEK Bearing Cage for Demanding Applications

This custom CNC machined PEEK bearing cage is designed for high-performance bearing systems requiring lightweight construction, excellent wear resistance, dimensional stability and long service life. Manufactured from premium PEEK material, it provides superior performance in high-temperature, chemically aggressive and cleanroom environments where traditional metal or standard plastic cages may fail.

PEEK bearing cages are widely used in semiconductor equipment, automation systems, aerospace components, medical devices, precision machinery and high-speed rotating equipment.

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Key Features

✔ Precision CNC Machined

✔ Lightweight Design

✔ Excellent Wear Resistance

✔ Low Friction Performance

✔ Outstanding Chemical Resistance

✔ Continuous Service Temperature up to 250°C

✔ High Dimensional Stability

✔ Non-Magnetic Material

✔ Cleanroom Compatible

✔ Long Service Life

✔ OEM & Custom Manufacturing Available

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Sample Specification

• Material: Virgin PEEK
• Product Type: Bearing Cage
• Outer Diameter: 38.2 mm
• Inner Diameter: 33.2 mm
• Thickness: 5 mm
• Manufacturing Process: CNC Machining
• Color: Natural Beige
• Tolerance: Up to ±0.01 mm

All dimensions can be customized according to drawings or samples.

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Custom Manufacturing Capabilities

Suntron specializes in CNC machining high-performance engineering plastics including PEEK, PI, PTFE, UHMWPE and POM.

We support:

• Custom OD / ID dimensions
• Custom pocket geometry
• Special bearing cage structures
• Carbon Filled PEEK
• ESD PEEK
• Prototype and production quantities
• Precision tolerance machining

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Typical Applications

• Precision Bearings
• Semiconductor Equipment
• Cleanroom Machinery
• Medical Equipment
• Aerospace Systems
• Automation Equipment
• Vacuum Systems
• High-Speed Rotating Machinery
• Chemical Processing Equipment