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Maintenance-free xiros® Ball Bearings: Essential Components for Reducing Friction and Supporting Loads

ball bearing | thrust bearing | transfer units |

xiros® plastic ball bearings offer a reliable and efficient alternative to traditional steel bearings. These ball bearings are designed to function without any need for external lubrication, and their resistance to corrosion is enhanced when paired with glass or plastic balls. Their quiet operation also makes them an ideal choice for applications where noise reduction is beneficial. The material used for xiros® ball bearings is a composite of base plastics, solid lubricants, and reinforcing fibers and filaments, while the balls themselves are made from either glass, plastic, or stainless steel, depending on the application’s requirements. To ensure the highest quality, all xiros® ball bearings undergo thorough testing in a cutting-edge laboratory.

Additionally, transfer units and thrust bearings are integral components in various industrial applications. Transfer units facilitate the smooth movement of heavy loads in multiple directions, while thrust bearings are designed to handle axial loads, providing stability and reducing friction in rotating parts. Both transfer units and thrust bearings benefit from the same advanced materials and design principles as xiros® ball bearings, ensuring durability and performance in demanding environments.


Browse our xiros® ball bearings

Radial deep groove ball bearings

xiros® radial deep grooved ball bearings Self-lubricating single-row polymer deep groove ball bearings
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Deep groove ball bearing online shop

Thrust ball bearings

xiros® Axial thrust ball bearings Polymer thrust ball bearings: designed to withstand stress or loads.
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Thrust ball bearings online shop

Fixed flange ball bearings

xiros® fixed flange ball bearings Flexible polymer ball bearings with flange for axially fixing bearings.
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Fixed flange ball bearings online shop

Pillow block ball bearings

xiros® pillow block ball bearings Polymer pillow block ball bearings: resistant to corrosion and media.
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Pillow block ball bearings online shop

Ball transfer units

xiros® ball transfer units Polymer ball transfer units with a conveyor ball made of stainless steel.
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Ball transfer units online shop

Conveyor rollers

xiros® conveyor rollers Conveyor rollers: the alternative for steel guide rollers for low loads.
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Conveyor rollers online shop

slewing rings ball bearings

xiros® slewing ring ball bearings Dirt-resistant slewing rings ball bearings for carrying axial loads.
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Slewing ring ball bearings online shop

Other type of polymer ball bearings

Other ball bearing types Other type of polymer ball bearings from cable pulley to track roller.
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Other types

Plastic ball bearing

Ball bearings are essential components that facilitate smooth rotational movement by substituting sliding friction with rolling friction, thus reducing resistance. Typically, ball bearings require lubrication for proper operation. However, xiros plastic ball bearings are an exception; they do not need additional lubrication, do not corrode, and function with minimal noise. These features render xiros bearings a cost-efficient substitute for traditional metallic ball bearings. Composed of a tribopolymer blend, xiros bearings are not only lightweight and chemical-resistant but also optionally non-magnetic, making them suitable for a wide range of applications including medical, packaging, food processing, and drive technology. The xiros ball bearings are made from a mix of basic plastics, solid lubricants, fibers, and filaments, with balls typically crafted from stainless steel, glass, or plastic, all encased in a cage possibly made from igus's proprietary xirodur materials, PA, PP, or PEEK.
To the ball bearing online shop

What advantages do our plastic ball bearings offer?

Heat-resistant plastic ball bearings

Heat-resistant / temperature-resistant


Depending on the application, our ball bearings are suitable for ultra-low and high temperatures. These specifications make it possible to dispense with expensive special lubricants, which are essential for metal ball bearings. The performance of these ball bearings has been tested and confirmed in numerous tests in the xiros test laboratory, even at extremely low temperatures down to -100°C.

For applications with high heat loads, we offer heat-resistant ball bearings up to +150°C for long-term use.
Chemical-resistant ball bearings

Chemical resistance


The plastics developed by igus enable xiros ball bearings to run perfectly even when in contact with aggressive chemicals. The specified resistance and calculated service life are based on data from our ball bearing test laboratory.

Our plastic ball bearings make it possible to dispense with costly special lubricants, which are required for applications exposed to aggressive chemicals. This offers considerable advantages over conventional metal ball bearings.
Rustproof ball bearings made of plastic

Virtually rustproof

Plastic ball bearings have a decisive advantage over those made of metal: They are extremely corrosion-free. Even when used in corrosive environments, the xiros ball bearings maintain their smooth running and long service life - with low maintenance requirements.

Metal ball bearings corrode more quickly, seize up and, in the worst case, cause the machine to fail, which can lead to high maintenance costs.
Lightweight ball bearings made of plastic

Particularly lightweight

Metal ball bearings are robust - and heavy. xiros ball bearings offer the perfect alternative for a wide range of applications, as plastic ball bearings are lightweight, reliable and durable.

Plastic ball bearings are often used in the automotive industry and aerospace engineering. Wherever lightweight is important, our light plastic ball bearings are ideal.
FDA-compliant plastic ball bearings

FDA-compliant

Ball bearings made of FDA-compliant plastics are used wherever components come into contact with food or are used in sterile areas.

Thanks to the FDA-approved plastics developed by igus, which also work completely without additional lubricants, xiros ball bearings are ideal for applications in food, beverage and medical devices.
Non-magnetic ball bearings

Non-magnetic


The non-magnetic plastic ball bearings are the first choice wherever freedom from metal is required. The xiros range includes both pure plastic ball bearings and variants with glass balls, which are ideal for applications where there must be no metal.


How do I request my customised special part?

It can't always be the catalogue part. We therefore offer you the service of requesting a customised ball bearing special part that deviates from the DIN standard for your individual application. From the idea to the solution: endless possibilities thanks to xiros. We will be happy to advise you.
 
Special ball bearing parts

Ball bearing material from igus

Ball bearing material

Our ball bearing materials are suitable for a wide range of applications and are characterised by a wide variety of advantages. From cost-effective all-rounders and heat specialists to materials with the best specifications in terms of chemical resistance. You can also find out more about the materials of the ball bearing balls.
 

Our new ball bearing products

We are constantly working on the further development of existing products and innovations in order to improve the technology of your application and reduce costs. Stay up to date at all times.
 
New ball bearing products from igus

Online configuration for plastic ball bearings

Calculate the service life of ball bearings

The product range of xiros plastic ball bearings is particularly distinguished by the wide variety of types and materials. Small ball bearings are used in model making and medical technology, among others. Our ball bearings successfully serve a wide range of applications - special parts manufactured according to customer requirements are also part of the product range.

Thanks to extensive tests in the xiros test laboratory, the service life of igus ball bearings can be accurately predicted even under difficult conditions - even for individual applications.
 

Ball bearing wiki: Technical information about ball bearings


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The terms "Apiro", "AutoChain", "CFRIP", "chainflex", "chainge", "chains for cranes", "ConProtect", "cradle-chain", "CTD", "drygear", "drylin", "dryspin", "dry-tech", "dryway", "easy chain", "e-chain", "e-chain systems", "e-ketten", "e-kettensysteme", "e-loop", "energy chain", "energy chain systems", "enjoyneering", "e-skin", "e-spool", "fixflex", "flizz", "i.Cee", "ibow", "igear", "iglidur", "igubal", "igumid", "igus", "igus improves what moves", "igus:bike", "igusGO", "igutex", "iguverse", "iguversum", "kineKIT", "kopla", "manus", "motion plastics", "motion polymers", "motionary", "plastics for longer life", "print2mold", "Rawbot", "RBTX", "RCYL", "readycable", "readychain", "ReBeL", "ReCyycle", "reguse", "robolink", "Rohbot", "savfe", "speedigus", "superwise", "take the dryway", "tribofilament", "tribotape", "triflex", "twisterchain", "when it moves, igus improves", "xirodur", "xiros" and "yes" are legally protected trademarks of the igus® GmbH/ Cologne in the Federal Republic of Germany and where applicable in some foreign countries. This is a non-exhaustive list of trademarks (e.g. pending trademark applications or registered trademarks) of igus GmbH or affiliated companies of igus in Germany, the European Union, the USA and/or other countries or jurisdictions.

igus® GmbH points out that it does not sell any products of the companies Allen Bradley, B&R, Baumüller, Beckhoff, Lahr, Control Techniques, Danaher Motion, ELAU, FAGOR, FANUC, Festo, Heidenhain, Jetter, Lenze, LinMot, LTi DRiVES, Mitsubishi, NUM,Parker, Bosch Rexroth, SEW, Siemens, Stöber and all other drive manufacturers mention on this website. The products offered by igus® are those of igus® GmbH