This is a 12 x 21 x 5mm Ceramic Nitride Pro Series Engine Bearing
from Acer Racing.
Made specifically for high performance racing use in RC engines
May be used in any nitro engine or any condition requiring high heat
and high RPM resistance
Diamond polished Ceramic Nitride Balls for low friction, low heat
build-up and smooth operation
Sealed on one side and open on the other to allow optimum engine
lubrication to reach the bearing
One 12x21x5mm Ceramic Nitride Pro Series Ball Bearing
Tower Hobbies Has Been Serving Hobbyists Since 1971 • Call 800-637-6050 or 217-398-3636
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