TKO Ceramic 12x21x5mm Rear Engine Bearing (TRX 3.3) (1)

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This is the ceramic rear bearing from TKO Competition Development for .12 and Traxxas 3.3 engines. The bearings dimensions are 12mm x 21mm x 5mm . The bearings have double the RPM capability over steel and reduce friction, rotating mass and vibration. Material specs 52100 bearing steel, poly cage, Cerbec balls grade 3.

NOTE: This bearing should be installed so that the balls face the rear of the engine (towards the backplate), in order to allow proper lubrication. 

This product was added to our catalog on October 11, 2006.

Verified Owner
Saturday, May 15 2010 (about 5 years ago)
TKO Ceramic 12x21x5mm Rear Engine Bearing (TRX 3.3) (1)
excellent bearing for the older novarossi .12 engines with the 12mm crank, 2 gallons in my nova/top.12 and bearing is still smooth and slick. also when installing make sure the balls are facing outward towards backplate.
DeShaun Dash
Saturday, Apr 26 2008 (about 7 years ago)
TKO Ceramic 12x21x5mm Rear Engine Bearing (TRX 3.3) (1)
This bearing is very very poor I killed two motors with this bearing first was a os 18tm the balls well out the race and wipe out the piston and sleeve. That wasnt enough for me so I gave TKO another try. This time the victim was eb mod os18tz race failed again balls and metal shreds destroyed the motor. Only ran 4 tanks with this motor after break in, This motor was still new. Learn from me save yourself some money and some tears dont F N buy this S%@T

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