1st Gear Roller Bearing SADEV Gearbox Clio R3 - 7711156724

The Invisible Danger of a Worn Roller Bearing on Your First Gear Ratio

In motorsport, the needle or roller bearing located underneath the first gear idler pinion is subjected to extreme thermal and mechanical constraints. Continuing to align your car on a race weekend with a worn or high-hour 1st gear roller bearing inside your SADEV sequential gearbox exposes you to a catastrophic failure. Without this brand-new component, friction increases, the internal cage can disintegrate, and it will cause instantaneous pinion misalignment. The direct consequences? A destroyed gearbox shaft assembly on your Renault Clio R3, metal debris spread throughout the entire casing, and an immediate forced retirement. Do not lose the benefit of a full weekend of racing and avoid a massive transmission overhaul invoice for a single neglected roller cage.

Certified Manufacturer Quality from Renault Sport and SADEV – Ref 7711156724 / 0103002

This technical precision component is by no means a generic industrial bearing or a cheap aftermarket copy. It is the official Renault Sport roller bearing from the Clio R3 competition catalogue, developed jointly with transmission manufacturer SADEV under factory reference 0103002 and network part number 7711156724. Manufactured from case-hardened high-tensile steel and fitted with a reinforced cage, it is capable of tolerating critical rotational speeds and high oil temperatures common in rallying or circuit racing. Utilizing it is mandatory to maintain the technical compliance of your powertrain.

Technical Specifications and Mechanical Fitment

• Description: Roller Bearing for 1st Gear Idler Pinion
• Transmission Compatibility: SADEV brand sequential gearbox
• Vehicle Application: Renault Clio R3 (All Access, Maxi, and Evo versions)
• Official Reference Numbers: 7711156724 (Renault Sport) / 0103002 (SADEV)
• Component Type: Genuine replacement part from the official competition catalog

Why Order Your SADEV Gearbox Parts from Optimiz Access?

Since 2010, Optimiz Access has been the trusted partner of drivers and racing teams for the supply of advanced technical parts, heavy mechanical servicing, and the premium customization of sports and premium vehicles. Our catalog and expertise encompass the greatest signatures in automotive performance: Renault Sport, Porsche, Audi, VW, and Mercedes.

For the assembly of your transmission components, we also welcome you to our own specialized workshops located in the Hauts-de-France region, ideally situated close to the cities of Cambrai, Valenciennes, Lille, Douai, Arras, Seclin, and Saint-Quentin. Our experts handle metrological inspections and overhauls for your race gearboxes. Well aware of your tight racing calendars, we ship your orders with fast international shipping across the globe so you never miss the start of your next event.

Frequently Asked Questions (FAQ) – Race Transmission Maintenance Advice

Why should a pinion bearing never be reused during a gearbox rebuild?

Even if a SADEV roller bearing looks visually clean, metal fatigue caused by micro-shocks during dog engagement and standing-start loads is invisible to the naked eye. Replacing it systematically every time the gearbox is opened eliminates the risk of a cage failure, which would prove destructive to the surrounding gear set.

Does this bearing fit on other gear pinions inside the transmission?

No, this specific model registered under part numbers 7711156724 and 0103002 features unique internal dimensions and tolerances calibrated strictly for the first gear idler pinion location on the Clio R3 shaft. Precision is absolute in motorsport: for instance, two completely different spark plug models exist for the Renault Mégane 4 RS depending on its exact original configuration year. To validate your assembly, please contact our team with your vehicle identification number (VIN) to get an exact match.

How do I order matching shims, circlips, or related seals?

To help you carry out your mechanical overhaul smoothly without missing any component, adjustment shims, retaining circlips, casing gaskets, and all other complementary products are accessible at the bottom of this product page.