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803384 and others as Ferrari tends to supersede part numbers for the same part
to the machined chassis
superlite bearings
We integrate our HSR inner ball bearing cage for durability and strength with superior heat resistance at high RPMs
ACER Racing's Hyper 9 ceramic bearing kit offers superlightweight ceramic bearings further reducing weight while also slashing rotational mass in the drivetrain with our superlite 8x14x4 mm bearings that use our diamond polished ceramic balls
OFNA Hobao Hyper 9 Pro Ceramic Bearing Kit Version:Hyper 9 2.0 803384 and others as FerrariHobao designed the Hyper 9 with weight savings in mind. They trimmed the 8x16 mm bearings 2 mm in overall diameter and 1mm in width to an 8x14x4 mm bearing resulting in lighter overall weight. They also used a 12x18 mm bearing up front which is normally seen in on road 1: 8 cars but a welcomed first for 1: 8 off road buggies. ACER Racing's Hyper 9 ceramic bearing kit offers superlightweight ceramic bearings further reducing weight while also slashing
