This is a replacement ProTek R/C 7x19x6mm Front Bearing. This bearing is designed to fit the ProTek R/C Samurai 321B, RM.1, RM, S03 and R03 Nitro Engine, but is also compatible with most O.S. .21 engines. This bearing will also fit any other .21 competition buggy engine that uses the same bearing dimensions; 7mm inner diameter, 19mm outer diameter and 6mm thick. This bearing is shielded only on the outside; the inside is open to allow the ball proper lubrication.
ProTek R/C is an AMain Sports & Hobbies brand.
This product was added to our catalog on January 2, 2015
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Asher Morales Wednesday, Apr 13 2022 (about 3 years ago) ProTek RC 7x19x6mm Samurai RM.1, RM, CR21, S03 and R03 Front Bearing My go to front bearing for off road engines. Very smooth, easy to install, and serves its purpose well. I’ve run these bearings for up to an hour straight and the engine is consistent the entire time. Doesn’t cause any tuning problems and I see no signs of dirt or dust getting into the engine. Not the cheapest front bearing out there but definitely worth the $20 View all reviews
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