6203 Bearing; GY6

Deep groove 6203 ball bearing for GY6 125/150cc, and 139QMB 50cc scooter engines. Fits Genuine 50-220cc scooters and Minarelli 50cc 2T engines as well. Original Parts For Scooters SKU 105-58 Specifications: Inner Diameter: 17mm Outer Diameter: 40mm Width: 12mm Number of rollers: 8 Compatibility: Genuine Buddy 50/125/150/170i Genuine Blur 150/220i Genuine Hooligan 170i Genuine Rattler 50/110 Genuine RoughHouse 50/50 Sport Genuine Black Cat 50 Bikes with 2T horizontal Minarelli engines Genuine Stella Automatic 139QMB-based 50cc / 80cc engines with the following engine codes: 139QMA 139QMB 1P39QMB 1P39QMA-2 YN139QMB JJ1P39QMB 139FMA-2 BD1P39QMB BN139QMB 147QMD Other QMA models Other QMB models 157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes: 157QMJ 161QMK 152QMI 1P61QMK YN1P57QMJ 1P52FMI 154FMI JJ157QMJ 1P57QMJ BN157QMJ BN161QMK-A Other QMJ, QMK, and QMI models Don't see your engine listed? If the engine code includes "QM" or "FM" and you have confirmed that it has an AC-based CDI system, this product is compatible with your vehicle. About Scooterworks: Since our beginning in 1989, Scooterworks has become a major supplier of parts and accessories for vintage and modern scooters. We have everything you need, from wear-and-tear items like tires and oil filters to after-market parts from brands like Malossi, NCY, Prima, YSS, Dr. Pulley, and more.