This is a pair of 5x11x4mm Ceramic Nitride Pro Series Bearings|
from Acer Racing.
For 5x11x4mm Ball Bearings for a Brushless Motor
order part number ARZC1069.
Diamond polished Ceramic Nitride Balls for low friction, low heat
build-up and smooth operation
Sealed with exclusive no contact seals for low friction and super
Lightly oiled with a exclusive SIN synthetic oil in a special
process that creates an ionic bond for silky, frictionless action
New HSR bearing cage design is specifically engineered for high speed
and high stress RC racing applications
Two 5x11x4mm Ceramic Nitride Pro Series Ball Bearings
Inside Diameter: 5mm
Outside Diameter: 11mm