Bearings for a majority of all Axial Racing Rock Crawler Car Kits, Rubber shielded oil filled bearings for smooth performance and longevity! Lubed for life bearing, best price at rcMart.com & more Every tiny bit matters! We have tons of ball bearings for you to choose from to give you that edge to give your RC the extra speed and smooth performance! RC Ball bearings should always be your first upgrades, it reduces friction for less rolling resistance, and that means higher speed and longer the running times. RC Ball bearings hardly require maintenance and last a lot longer than stock Oilite bushings.