This is a rubber sealed “Speed” front bearing from ProTek R/C. This bearing is designed to fit the O.S. MAX .21 RG, VZ-B and VZ-B V-Spec off-road competition buggy engines. This bearing will also fit any other .21 competition buggy engine that uses the same bearing dimensions, such as the RB Concepts WS7, WS7II, Top P5 etc. The bearing dimensions are 7mm inner, 19mm outer and 6mm thick. This bearing is sealed to stop fuel leaking out the front of the engine during use.
Dual Front and Rear Seals
These bearings come with seals on both the front and rear of the bearing. Some people prefer to install the bearing with both seals intact, however we recommend that you remove the seal from the side of the bearing that will be going into the engine, to ensure that the balls in the bearing get the proper amount of lubrication.
ProTek R/C is an AMain Sports & Hobbies brand.
This product was added to our catalog on May 1, 2006
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Asher Morales Verified Owner Wednesday, Jun 1 2022 (about 3 years ago) ProTek RC 7x19x6mm “Speed” Front Engine Bearing (Samurai, O.S., Novarossi, RB) Bearing is smooth but it leaks quite a bit. It was spraying a little fuel and oil just priming the engine. I’m gonna stick with it for a bit and see if it causes my problems while running, but for future reference, just get the $20 bearing for the samurai. It’s the same as the OS front bearing and that one works phenomenally 1 customer found this review helpful. Merdith Roach Verified Owner Sunday, Dec 23 2012 (about 12 years ago) ProTek RC 7x19x6mm “Speed” Front Engine Bearing (Samurai, O.S., Novarossi, RB) I am impressed with the quality of these bearings. The first thing I did was pull one seal off to inspect the inside. It has a plastic retainer that resembles the Nova bearings, and spins smooth. This is a step up from other inexpensive front bearings that I have seen. The picture is accurate besides the seals are black unlike some other bearing companies that show one like this but you end up with something that is obviously inferior. 1 customer found this review helpful. Adam Drake Verified Owner Saturday, Nov 30 2019 (about 5 years ago) ProTek RC 7x19x6mm “Speed” Front Engine Bearing (Samurai, O.S., Novarossi, RB) Impressed with the value of this bearing from Protek. Great quality. 1 of 2 customers found this review helpful. frederic Baleye Verified Owner Monday, May 12 2014 (about 11 years ago) ProTek RC 7x19x6mm “Speed” Front Engine Bearing (Samurai, O.S., Novarossi, RB) mounted in novarossi 21.plus-4 and it last only 2 races. I can see the day light between the rubber sheet and the inner flange. I am not convinced in the quality of these bearings. 1 of 2 customers found this review helpful. View all reviews
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