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Slewing rings

Guaranteeing the performance of your machines

Providing leading edge technology for your slewing rings since 1969

Rollix is a division of the Defontaine Group and offers a wide range of reliable and durable slewing ring available from 100 mm to 6,200 mm with or without gear, made of materials ranging from C45 to 42CrMo4, as well as more specific materials such as titanium and many other alloys.

Our unique raceway finish grinding process and precise pairing of each ring allow for optimal adjustment of the preload required for the application.

Since 1969, we have been continuously developing new technologies to meet the high performance requirements of our customers and to adapt to their application requirements. From construction to high precision markets, today we work together with over 3,000 of the most demanding customers in the industry.

  • Over 1 million rings installed worldwide
  • 95% of our production is exported to more than 65 countries on 5 continents

Advantages of the slewing bearing

The slewing ring offers a number of advantages over a conventional bearing assembly and is increasingly being used as a standard mechanical component. It includes reduced number of parts, simplified machining, quick and easy to assemble, reduced space requirements and decrease in total weight.

System with a slewing ring

System without a slewing ring

Rollix standard slewing rings

The quality and high precision of our products will ensure that your machines run smoothly and safely. Our range includes ball, cross roller bearing, and extends from standard slewing ring to customised rings according to your application requirements. Our design, research and development department, equipped with state-of-the-art test benches and calculation software, is at your service to offer innovative and adapted solutions.

  • Single or double row ball or roller bearings 
  • Slewing rings with external, internal, spur, helical gear or without gear
  • Steel, titanium, aluminium, etc.
  • Surface treatment and/or corrosion protection
  • Standard or specific seals
  • Lubricated-for-life rings, food-grade grease.

Rollix custom-made slewing bearings

Rollix can offer specific designs with a wide range of solutions: 

With or without fixing holes: an alternative between a bearing and a slewing ring. It is a hybrid assembly that enables a small footprint at low cost.
ROLLIX COMPACT: for precision applications

With or without fixing holes: an alternative between a bearing and a slewing ring. It is a hybrid assembly that enables a small footprint at low cost.

ROLLIX COMPACT: for precision applications

A compact solution with double rotation.

ROLLIX COMPACT: for precision applications

A compact and weight-saving solution

ROLLIX COMPACT: for precision applications

Enables reduced overall dimensions and an add-on gearing.

ROLLIX COMPACT: for precision applications

A low cost solution for application with predominantly axial loads.

ROLLIX COMPACT: for precision applications

Rollix specific solutions

Rollix can provide specific solutions for all its products. Complete modules can be supplied. In this way, a “turnkey”, tailor-made solution is provided to meet your specific needs. Rollix can supply pinions, geared motors (with our associated partners), motor mounts or mounting brackets, and cylinders. We can also integrate measurement sensors and provide lubrication solutions if required. Complete assembly and testing can also be carried out to customer specifications.

In addition, if your application qualifies, Rollix can supply ots lifetime lubricated (-EV) version. This solution is based on Rollix seal technology and has been validated on our test benches. The advantages of this solution are a 50% reduction in maintenance costs over the product’s lifetime, a reduction in maintenance time, a reduction in pollution since no used grease has to be disposed of, and no grease stock management is required.

Finally, grease distribution systems can be set up to adapt the best possible lubrication solution to your system. Rollix offers lubricators fitted on the slewing rings. This is a system that can be connected directly to the lubrication holes screwed into the slewing ring holes. We also offer remote lubrication in the center of the slewing ring: extensions can be added if the environment prevents direct access to the slewing ring lubrication holes. Finally, our centralized lubrication with distribution will ensure that the lubrication is evenly spread across all the lubrication ports. Other solutions are also available, such as lubricating pinions.For any specific request, please contact the Rollix sales team.

Are you looking for a slewing ring in stock?

Discover our new catalogue of products

Why choose Rollix slewing rings?

Our cross roller bearing manufacturers meet your requirements. Our raceway grinding process along with the systematic pairing and preloading of our products guarantees the reliability and precision of our standard and custom-made slewing rings:

  • Detailed calculations of raceways and gears
  • Finite Element Analysis (FEA)
  • Reduced prototyping time
  • Standard products available from stock
  • Certifications: DNV, ABS, Bureau Veritas, LR, Rina…

How to choose Rollix slewing rings?

Our 6 steps process to seclect a slewing ring

  1. Estimate loads (see « slewing ring characteristics »)
  2. Pre-select the slewing ring range according to the determining criteria
  3. Verify the raceway’s static capacity and fasteners according to slewing ring range
  4. Check rotation speed
  5. Check forces on the gear
  6. Validate the slewing ring’s dimensional characteristics
Discover the complete process
for selecting a Rollix slewing ring
DOWNLOAD FILE: Process for selecting a slewing ring in 6 steps - EN

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pré séléction famille couronnes EN
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Everything you must know about a slewing ring
DOWNLOAD FILE: Slewing ring characteristics - EN

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Sectors concerned

Associated services

logo conception

Study & design

logo fastmake

Fast
Make

logo logistique

Logistics 

logo maintenance

Spares & Services

logo laboratoire

Laboratory

Rollix is the expert in slewing rings, and will provide technical recommendations and calculations. Our engineers will provide the guidance you need to find the most suitable solution for your application. Our sales team will assist you throughout your project to provide reliable advice on how to optimise your purchase and performance.

FAQ

Rollix products

Rollix Compact CB slewing rings are designed to be interchangeable with standard products on the market, making them easy to integrate or replace in high-precision applications (robotics, indexing tables, machine tools, etc.). For further information, please consult the full Rollix slewing ring catalogue in the media library on our website.

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You can indeed obtain a quote for a single unit. To obtain the price of a bearing or a slewing ring, you can visit our online shop (b2b.defontaine.com) or contact our sales teams directly at sales@rollix.com or via the contact form on our website https://www.defontaine.com/en/contact/

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The Defontaine Group has an online shop for the sale of standard Rollix products. Our e-shop is https://b2b.defontaine.com/

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To find out if we have a distributor in your country, you can contact us via our online form at https://www.defontaine.com/en/contact/ or by email: for the Rollix brand, send an email to sales@rollix.com and for the Defontaine brand to sales@defontaine.com .

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We naturally offer custom-made slewing rings and bearings. To arrange this, please contact our sales team, who will liaise with our design office.

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Rollix offers high-precision slewing rings https://www.defontaine.com/en/our-markets/machine-tool/ for applications such as rotary tables, machine tools and robots, as well as for wind turbines https://www.defontaine.com/en/our-markets/wind-energy/ with large-sized slewing rings, and for the marine market https://www.defontaine.com/en/our-markets/marine/ including wind assisted propulsion systems.

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To obtain a quote for a bearing or slewing ring, please visit our online shop (b2b.defontaine.com) or contact our sales teams directly at sales@rollix.com or via the contact form on our website https://www.defontaine.com/en/contact/

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Please follow the slewing ring selection procedure as outlined in the document “6-step process for selecting a slewing ring”, which can be downloaded from the media library section of our website.

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To request a quote for an HD-R slewing ring, please contact our sales team at sales@rollix.com or via the contact form on our website https://www.defontaine.com/en/contact/

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All ring part numbers are listed and categorised by family: standard ball bearings, light-series ball bearings, standard crossed-roller bearings, precision bearings and special-purpose bearings. All part numbers are listed in the slewing ring catalogue, which can be downloaded from the media library on our website.

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Light-series ball slewing rings can be manufactured from L-shaped profiles or solid sections. There are three classes of clearance accuracy for each type of slewing ring. These slewing rings are not suitable for suspended loads.

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Typically 5 to 30% less fuel, depending on the vessel, route, technology and operation.

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To provide a quote, if the item is a standard part listed in our catalogue, our sales teams will need the part number, the quantities required, and the Incoterm associated with your request. Our standard items can also be ordered directly via our online shop (https://b2b.defontaine.com/). If you would like our engineering teams to assist you in defining and designing a bespoke slewing ring, you will need to complete our IT ETR form (available to download from the media library on our website).

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To understand the differences, please refer to our coding system in our brochure ‘Slewing Ring Families’, which can be downloaded from the media library on our website.

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Most observed cases range between 3 and 7 years.

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Rollix offers solutions for wind-assisted propulsion. Wind-assisted propulsion is a propulsion aid that harnesses the wind using various technologies (rigid sails, wings, Flettner rotors, kites) to reduce fuel consumption and emissions. Find out more: https://www.defontaine.com/en/our-markets/wind-assisted-propulsion/

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We manufacture slewing rings and bearings with an average diameter ranging from 150 mm to 6200 mm.

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Rollix manufactures preloaded slewing rings with crossed rollers, or with two or three rows of rollers. Rollix also offers preloaded or reduced-preload slewing rings with single-row or double-row ball bearings.

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Slewing rings are classified into several main categories based on the rolling element, geometry and level of precision.
1. Ball slewing rings
Rollix offers several variants of ball slewing rings, designed for standard applications involving moderate to high loads.
• Single row of balls
Compact slewing rings, suitable for moderate loads and where space is limited.
• Double row of balls
Higher load capacity than the single row; used for more demanding machinery.
• Light series (L-shaped profiles or solid rings)
Designed for applications requiring weight reduction.
2. Crossed-roller rings
Crossed rollers provide high rigidity and a high load capacity, particularly for combined loads.
• Single row of crossed rollers
Capable of withstanding axial and radial loads in compact applications.
• Double row of crossed rollers
Even greater rigidity and capacity, used in cranes, wind turbines, forestry equipment, etc.
3. High-precision rings
Rollix offers ranges specially optimised for high-precision applications, such as robotics or indexing tables.
• Compact range
Very high positioning accuracy, available in a wide range of diameters (148 mm to over 2,400 mm).
• Compact Light
A lighter version of the Compact range, still designed for high precision.
4. ‘Compact CB’ slewing rings
Although the term ‘CB’ is not explicitly mentioned in the PDF, it generally refers to the Compact / Compact Light range, designed for applications requiring minimal space and superior precision.
5. Other complementary ranges:
• Three-row roller slewing rings
Slewing rings for extreme loads (offshore cranes, mining machinery).
• Hybrid slewing rings / thin sections
Alternatives combining bearings and slewing rings, for severe space constraints.
For further information, please consult the complete Rollix slewing ring catalogue in the media library on our website https://www.defontaine.com/en/media-library/

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Standard Rollix products can be purchased via our online shop https://b2b.defontaine.com/. You can also contact our sales team at sales@rollix.com or via our online form at https://www.defontaine.com/en/contact/. Our sales team will be able to put you in touch with the distributor in your area.

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The Rollix product catalogue, like all Rollix marketing materials, can be downloaded from the website: https://www.defontaine.com/en/media-library/. https://www.defontaine.com/mediatheque/.

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All our marketing materials can be downloaded from the website: https://www.defontaine.com/en/media-library/

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The slewing rings in the light-series range are the most economical.

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Our prices can be viewed on our online shop (https://b2b.defontaine.com/) or by sending your enquiry directly to our sales teams at sales@rollix.com or via the contact form on our websitehttps://www.defontaine.com/en/contact/

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Rollix documentation

All our catalogues, brochures, installation manuals and technical data sheets can be downloaded from the media library on our website: https://www.defontaine.com/en/media-library/

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We have a series of online tutorials on our YouTube channel to help you install and adjust the sprockets on a slewing ring: https://www.youtube.com/playlist?list=PLfBLMW9HR0pBSVxm4mciTa2wCpmJYhPGN

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Rollix services & maintenance

A significant proportion of our offering for the wind power market relates to maintenance and associated services: replacement rings, fasteners, seals and grease containers. On-site services include video inspection, seal replacement and ring inspection. Services carried out at our factories include lubricant analysis, ring retrofitting, root cause analysis and engineering.

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To provide a quotation for a Rollix slewing ring, if it is a standard part listed in our catalogue, our sales teams will need the part number, the quantities required, and the Incoterms associated with your request. Our standard parts can also be ordered directly via our online shop (https://b2b.defontaine.com/). If you would like our engineering teams to assist you in defining and designing a specific slewing ring, you will need to complete our IT ETR form (available for download from the media library on our website).

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Rollix E-shop & distributors

We have slewing rings with external teeth in stock. To order directly, please visit our e-shop: https://b2b.defontaine.com/

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To find a Rollix distributor in your area, please contact our sales department either via the contact form on our website https://www.defontaine.com/contact/ or by email at sales@rollix.com, and we will put you in touch with your nearest distributor.

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Our Rollix e-shop https://b2b.defontaine.com/ allows you to order standard slewing rings directly online and have them delivered in under a week from our stock.

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Providers & SRM

Yes, the Defontaine Group has machining subcontractors within its supplier network.

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To become a supplier of industrial parts or services, please complete the form on the contact page of our website https://www.defontaine.com/en/contact/ or visit the SRM platform https://app11.jaggaer.com/portals/tksp/login?local=1?

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To become a supplier to the Defontaine Group, you must register on our supplier portal https://app11.jaggaer.com/portals/tksp/login?local=1 or contact us via our contact form https://www.defontaine.com/contact/.

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To register on our supplier platform, please visit: https://app11.jaggaer.com/portals/tksp/login?local=1

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The Defontaine Group does indeed have a dedicated platform for suppliers. To access it: https://app11.jaggaer.com/portals/tksp/login?local=1

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OTD/quality/procurement/technology&innovation/sustainability

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The Supplier Code of Conduct can be downloaded from our website: https://www.defontaine.com/en/media-library/

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For any issues, please contact us via our online contact form: https://www.defontaine.com/en/contact/

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Our key processes

Roulé-soudé par étincelageFlash-butt welding
Usinage et rectification de précisionPrecision machining and grinding
Trempe sous pressePress quenching
Traitement thermique par inductionInduction heat treatment
Procédés spéciauxSpecial processes

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