Ceramic wheel bearing Tony Kart Racer 401rr

High-performance ceramic wheel bearings for TONY KART Racer 401rr

Raceet® ceramic kart wheel bearings for Tony Kart Racer 401rr are designed to deliver improved track performance, optimal friction reduction and perfectly free rotation. Thanks to their high-density technical ceramic balls (hybrid technology: high-precision hardened steel rings, Si3N4 ceramic balls), lighter and harder than standard steel bearings, they reduce energy losses at the hubs and improve power transfer to the track. The result: faster acceleration out of corners, better high-speed stability and consistent performance lap after lap. Suitable for both recreational and competitive karting (Rotax, X30, KZ), these high-performance bearings are an ideal upgrade to optimize mechanical efficiency on dry or wet tracks.

Product	Ceramic wheel bearings
Compatible with
Brand	TONY KART
Model	RACER 401RR
Year	Select during purchase
Installation	Workshop / DIY

Ceramic wheel bearings Raceet® TONY KART RACER 401RR

Raceet® ceramic wheel bearings allow the TONY KART Racer 401rr to reduce friction losses by 60% and increase bearing lifespan by +40%

Optimization		Friction
Installation		Workshop / DIY
Category		Karting
Compatible		Tony-kart
Model		Racer 401rr

The images shown are for illustration purposes only. We will supply the bearings and the exact quantity corresponding to the year of your karting. You may also send us your bearing dimensions by email if needed.

-60% Friction

+40% Service life

399 €

10-day delivery

KARTING-13224

Sujet	Ceramic wheel bearings for KARTING TONY KART RACER 401RR
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Boost your karting performance by reducing mechanical losses

Part of a kart's engine power is absorbed by the internal resistance of rotating components, especially the original wheel bearings. By installing Raceet® high-performance ceramic wheel bearings for karting, you significantly reduce the friction coefficient, improve mechanical efficiency and fully exploit the potential of your Tony Kart Racer 401rr. Designed to withstand very high rotational speeds, heavy radial loads and the intense stresses of kart racing (vibrations, heavy braking, repeated acceleration), they provide enhanced durability, excellent thermal stability and increased resistance to wear. Ideal for recreational karting as well as Rotax, X30 and KZ competition seeking performance, consistency and reliability lap after lap on dry or wet tracks.

Ceramic wheel bearing technical specifications for Tony Kart Racer 401rr

At the core of this technology are silicon nitride (Si3N4) ceramic balls, an advanced engineering material known for its low density, exceptional hardness and ability to maintain its mechanical properties at high temperatures. Their reduced mass lowers rotational inertia, allowing faster acceleration and more immediate response of the drivetrain and wheels. Their extremely dense structure also limits micro-deformation under load, ensuring consistent performance even at high rotational speeds.

The high-strength treated steel races ensure perfect compatibility with original hubs while benefiting from precision machining with micrometric tolerances. This high-precision finish allows optimal distribution of mechanical loads and a perfectly controlled contact surface, improving rotational stability and efficiency.

Overall performance is further enhanced by the use of reinforced polymer cages or high-performance PEEK cages. These advanced materials precisely guide the rolling elements, reduce parasitic vibrations and improve thermal dissipation. The internal guidance of the bearing remains stable even under high loads, promoting longer service life and quiet operation, even in demanding conditions such as racing, off-road riding or intensive training.