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Boca Bearings 7x19x6mm front bearing (O.S., Novarossi, RB)

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This is a front bearing from Boca Bearings designed to fit the O.S. MAX .21 RG, VZ-B and VZ-B V-Spec, RB Concepts WS7, WS7II, Novarossi P5, P5X, 421B, Pllus 21-5 and 528XR off-road competition engines. This bearing will also fit any other .21 to .28 competition buggy or truck engine that uses the same bearing dimensions. This is a Chrome, High Performance Rubber Seals, Polymite Retainer, C3 Fit bearing. 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.

Some of these bearings may have two seals. If you only wish to have one seal, you can remove the seal from the side that will be inside the engine.

This product was added to our catalog on June 25, 2007.

Ryan S
Verified Owner
Decent bearing for the price. Will last several gallons. It's best to leave both shields on! The bearing will still get adequate lubrication with both seals on.
I have been running this bearing and it pours fuel. The review above helped me decide to try these bearings again.
Ernest Seow
This bearing comes with 2 seals front and back. It is advised not to remove one seal and run it like some OEM bearings do. It is made with 2 seals and will only seal properly this way. One front seal only will most likely cause an air leak.

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