PTK-2504 ProTek RC 7x19x6mm Samurai RM.1, RM, CR21, S03 and R03 Front Bearing SLE057S-BK Aluminum construction helps with heat

Aluminum construction helps with heat dissipation

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PTK-2504 ProTek RC 7x19x6mm Samurai RM.1, RM, CR21, S03 and R03 Front Bearing SLE057S-BK Aluminum construction helps with heatThis 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