This precision 6204 plastic bearing is manufactured with CNC machined black POM inner and outer rings, a nylon cage, and double-sided sealing structure. Stainless steel balls or glass balls can be selected according to different application requirements.

The polymer bearing design provides smooth rotation, low noise operation, corrosion resistance, and lightweight performance. It is suitable for clean environments, automation equipment, and applications where traditional metal bearings are not ideal.

Custom designs, dimensions, sealing structures, and material combinations are available for OEM projects.

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Key Features

CNC Machined POM Bearing Structure

Precision machined black POM inner and outer rings provide stable dimensions, smooth operation, and reliable performance.

Stainless Steel or Glass Ball Options

Available with stainless steel balls for general industrial applications or glass balls for non-metal and corrosion-sensitive environments.

Double Sealed Design

The sealed 2RS structure helps protect internal components from dust and contamination.

Lightweight & Corrosion Resistant

POM construction offers excellent corrosion resistance and lower weight compared with traditional metal bearings.

Low Noise Operation

Polymer raceways provide smooth and quiet movement for precision equipment.

Custom OEM Solutions

Bearing sizes, materials, seals, and internal structures can be customized according to customer requirements.

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Specifications

• Bearing Type: 6204 Plastic Ball Bearing
• Material: Black POM
• Inner Ring: CNC Machined POM
• Outer Ring: CNC Machined POM
• Cage: Nylon Injection Molded Cage
• Rolling Elements: Stainless Steel Balls / Glass Balls
• Seal Type: Double Side Sealed (2RS)

Standard Dimensions:

• Inner Diameter: 20 mm
• Outer Diameter: 47 mm
• Width: 14 mm

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Applications

• Semiconductor equipment
• Cleanroom automation systems
• Food processing machinery
• Chemical equipment
• Medical devices
• Packaging machinery
• Precision conveyor systems
• Non-metal motion systems
• Industrial automation equipment

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Why Choose This Bearing?

• Fully polymer bearing solution
• Suitable for corrosion-sensitive environments
• Low friction and low operating noise
• Reduced weight compared with metal bearings
• Clean and maintenance-friendly operation
• Flexible material combinations for different applications

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FAQ

Q1: Is this a standard 6204 bearing?
Yes, it follows the standard 6204 bearing dimensions with customized polymer materials.

Q2: What materials are used?
The bearing uses CNC machined black POM rings, nylon cage, and stainless steel or glass balls.

Q3: Can I choose glass balls instead of stainless steel balls?
Yes, glass balls are available for applications requiring non-metal construction.

Q4: Is this bearing suitable for cleanroom applications?
Yes, the polymer structure is suitable for clean and contamination-sensitive environments.

Q5: Does it need lubrication?
It can operate with minimal lubrication depending on application conditions.

Q6: Can you manufacture other plastic bearing sizes?
Yes, customized plastic bearings can be produced according to drawings or specifications.

Q7: What is the advantage compared with metal bearings?
It provides lightweight design, corrosion resistance, low noise, and clean operation.

Q8: What industries commonly use this bearing?
It is widely used in automation, semiconductor, food, medical, chemical, and precision equipment industries.