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igus® Ltd.

Caswell Road

Northampton, NN4 7PW

01604 677240

xiros® plastic ball bearings

xiros® plastic ball bearings require no lubrication, are corrosion resistant and operate quietly. These attributes makes them a cost-effective alternative to ball bearings. The key elements of the all-plastic components enable these products to be lightweight, chemical resistant and non-magnetic. This allows them to be used safely in the medical industry or food processing environments. The xiros® plastic ball bearings material consists of a blend of base plastics, solid lubricants, fibers and filaments and these are complimented with glass, plastic or stainless steel balls. 
Key benefits:

  • 100% self-lubricating and maintenance-free
  • Highly corrosion-resistant 
  • Options for extreme temperatures
  • FDA-compliant
  • Lightweight – 60% lighter than metal
  • No minimum order quantity

Would you like more information about the xiros® plastic ball bearing range or do you need an individual consultation? Our experts will be happy to get in touch with you.

Contact the expert

Our xiros® plastic ball bearings

Deep groove ball bearings

deep groove ball bearing

  • Available in a variety of different plastic materials
  • Different ball bearing and cage options
  • Available wiin a variety of sizes
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Fixed flange ball bearings

fixed flange ball bearing

  • FDA-compliant
  • Chemical resistant
  • Low moisture absorption
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Thrust ball bearings

thrust ball bearing

  • Chemical resistant
  • Low moisure absorption
  • Various sizes and materials available
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Pillow block ball bearings

pillow block ball bearings

  • Pivoting or fixed
  • FDA-compliant
  • Available with glass balls or stainless steel balls
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Slewing ring ball bearings

slewing ring ball bearings

  • For high axial loads, water resistant
  • Available with stainless steel balls/glass balls
  • Suitable for applications in the food industry
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Ball transfer units

ball transfer units

  • Low friction
  • Wear-resistant in dusty and dirty environments
  • Electrostatically dissipative option
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Frequently asked questions about xiros® plastic ball bearings.

What is a ball bearing?

Ball bearings belong to the family of rolling bearings. Moving between an inner ring and an outer ring, rolling bodies reduce rotational friction and absorb radial and axial loads. Because the balls roll, they have a much smaller coefficient of friction than two flat surfaces that slide against each other. Due to the smaller contact surface between balls and rings, the ball bearings tend to have a lower load capacity for their size than other kinds of rolling bearings.

What advantages do the xiros® plastic ball bearings have over other ball bearings? 

Xiros® plastic ball bearings are lubrication and maintenance-free. They are lightweight, corrosion resistant and have a high media resistance.

Where are xiros® plastic ball bearings used?

There are lots of applications and industries that xiros® ball bearings are used, labelling machines, food and packaging and conveyors. 

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Request a xiros® sample

xiros plastic ball bearing sample

Do you need a sample of a xiros® plastic ball bearing product? Complete the form below!

Order your free sample

Download the xiros® catalogue

xiros catalogue

Dowload the xiros® plastic ball bearing catalogue here for the full range of products

Download here

Measurement requirements and installation recommendations

igus is one of just a few manufacturers worldwide who produce ball bearing rings in injection moulding. This offers users the following advantages:

  • High wear resistance due to the shape under high pressure
  • Homogeneous material distribution
  • Cost-effective production, leading to cheap sales prices
  • Simplification of ball bearing installation
Due to this manufacturing process, different rules apply to the measurement as well as the installation compared to metal or ceramic ball bearings. The outer ring of the polymer ball bearings has a conical shape. This simplifies the installation in a suitable housing (with the narrow side first). After press-fit into a housing machined to a H7 tolerance the bearing clearance is reduced. Therefore, the ball bearings must be measured over the entire width; starting at an angle of 90° from the injection point.

Tolerances and installation recommendations for xiros® polymer ball bearings

xiros® service life calculator

With the xiros® service life calculator you can determine in a few steps a xiros® ball bearing suitable for your application and calculate its expected service life. You will be able to see:

  • Price and delivery
  • Order a free sample
  • Download a CAD of the part
  • Order your xiros® ball bearing or request further information from us with no minimum order. 

Find out the lifetime


I would be happy to answer your questions

Shipping and consultation

In person:

Monday to Friday from 8am - 8pm.