Rollix Spares & Services
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ROLLIX SPARES & SERVICES World leader for blade bearings design & manufacturing

HISTORY Defontaine Group was founded in 1946. The group designs and manufactures complex mechanical parts and subassemblies. With three production sites, Defontaine Group is recognised for the quality of its products and services, as well as for its loyalty and proximity to its customers and partners. Rollix brand was created in 1969 to design and manufacture slewing rings and special bearings with diameters ranging from 100 mm to 6,200 mm, with or without gear. Since its inception, Rollix has manufactured and sold over one million slewing rings for machine tool, transport, marine, medical...

SPARE PARTS We act for the environment protection Rollix is aware of its activity impacting the environment. Our actions are based on key aspects: • Avoid polluting emissions. We optimize our manufacturing processes to achieve sustainable growth, we reduce our packaging consumption and we adopt a circular economy approach. • Reduce emissions. We improve the energy efficiency of our facilities using 100% renewable electricity and minimising the CO2 emissions from our supply chain. Blade bearings stock availability • Spares for 95% of wind turbines • 80% of our spare parts in stock. Blade...

Rollix is a spare parts leader. To answer our customers’ needs, Rollix provides not only bearings but also the corresponding components. We can offer pitch bearings for all the wind turbines below: Mitsubishi Corporation Vergnet Groupe Nordex Repower Rollix - Spares & Services

Fasteners Fastening components for bearing assembly on blade and hub side: Studs, washers, nuts, screws, plastic caps… Standards used to supply our fasterners kits are: ISO 898, ISO 4014, ISO 4032, ISO 7416, DIN 934… Sealings The seals protect the bearing raceways from external contamination. They also keep the grease in the raceway during the rotation of the bearing. • Internal & external seals • Unique 3 lips tight seal design field-proven over decades • Can be replaced on site • All components (glue, seal assembly tools…) can be provided as a kit. Grease containers • Rollix patented...

Services on-site (worldwide) Our services and maintenance team can support you on your onshore/offshore wind farms, wherever in the world. Videoscopy Give your bearing a non-destructive inspection of areas beyond eyeshot. We do • Raceways, cages and balls’ status checking • Internal damages detection & identification • Complete illustrated report provided after the visit. Seal Replacement Get a seal renewal to avoid contamination of raceway system & uncontrolled leakage. We do • • • • Old sealing removal Sealing groove cleaning New sealing provision Installation of new seal. On-site bearing...

Services at Rollix When services cannot be done on site, our services and maintenance team can assist you at Rollix facilities with less restrictions than uptower. These services can be offered for any bearing brand. Lubricant analysis Assess bearing condition based on lubricant analysis. We do • Grease analysis • Report & recommendations for further operation. Bearing retrofit Get a like-new bearing. We do • Preloading verification (torque and deflection measurement) • Internal inspection • Assembly with new seals and lubricant • New surface treatment • Packaging adapted to customer...

ROLLIX expert in slewing rings WE ARE AT THE HEART OF YOUR PROJECT You benefit from our advice and experience from the moment your needs are expressed. Our technical collaboration optimizes project management and guarantees quality results. PERFORMERS & DOERS ROLLIX DEPARTMENT RUE SAINT-ELOI EMAIL: wind-spares@rollix.com www.defontaine.com - July 2024 - Copyright Defontaine Group - Photo credits: Sylvain Bonniol - Pix Machine - Defontaine Group - iStock. For over 50 years, Rollix has been developing its slewing ring expertise applied to onshore and offshore wind turbines. Our constant quest...