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RX BEARINGS MGP-99 Ceramic Skateboard Bearings
$110.00
MATERIAL COMPOSITION - 7 Ceramic balls are silicon nitrate (1500+ HV7) Inner and Outter raceways are 52100 carbon, chromium steel (HRC 67) Retainer is 6/6 Nylon + special additive making it more resistant to breakage Pre-lubricated with Rx Lube Drops®, a low viscosity oil to reduce friction
TOLERANCES - ABEC-9 rating, Ball deviation grade 5, Noise is under 31db.
DESIGN FEATURES - Balls are highly polished to a mirror like finish Inner and outer races are highly polished to a mirror like finish Raceway is optimized for the ball and raceway contact area and contact angle. Removable non-contact rubber shields for easy cleaning and zero friction.
LIMITED WARRANTY - 3 Years