Hoca Minarelli 50 Bearing & Seal Kit Hoca Crankshaft Bearing and Seal Kit for Minarelli 50cc, 2-stroke engines. This precision Taiwanese bearing kit contains the right and left crankshaft bearings and seals. Includes: 6204 C3 Bearings - Outer Diameter: 47mm, Inner Diameter: 20mm, Width: 14mm 20*42*8 Seal 20*30/33*6 Seal Made in Taiwan