This is a pack of ten 13x19x4mm metal shielded "Speed" ball bearings. ProTek R/C "Speed" bearings are high quality steel/chrome bearings designed for the R/C racing enthusiast.
ProTek R/C is an AMain Sports & Hobbies brand.
This product was added to our catalog on December 18, 2008
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eeper groove in the bearing races, combined with a high temperature poly crown that allow them to better withstand the RPM's and temperatures of an 1/8 scale clutch. The components of the bearing ...