Rear Engine Bearing, and is intended for use with any nitro engine that requires a 14x25.8x6mm rear bearing. ProTek MX-Speed engine bearings offer decreased resistance, increased speed, load handling capabilities and extended ...

5x9x3mm Ceramic Ball Bearings, and are intended for use with the Schumacher Cat SX2. These bearings are used to support the rear layshaft and are an excellent upgrade for any application that ...

dual sealed "Speed" clutch bearings. ProTek R/C "Speed" bearings are high performance ceramic ball bearings designed for the R/C racing enthusiast. Why Ceramic? Our ProTek Ceramic Bearings are a hybrid type, featuring ...

Ceramic 1/4x3/8x1/8" Metal Shielded Flanged "Speed" Bearings. ProTek R/C "Speed" bearings are high quality bearings designed for the R/C racing enthusiast. These Ceramic 1/4x3/8x1/8" metal shielded flanged bearings are used in a ...

metal shielded "Speed" ball bearings. ProTek R/C "Speed" bearings are high quality ceramic bearings designed for the R/C racing enthusiast. Why Ceramic? Our ProTek Ceramic Bearings are a hybrid type, featuring Chrome ...