Crankshaft Grinding Wheels

The terminology of a crankshaft is quite specialist, so well start with naming a few parts.A journal is the part of a shaft that rotates inside a bearing.As can be seen above, there are two types of journal on a crankshaft - the main bearing journals form the axis of rotation for the crankshaft, and the connecting rod journals are secured to the ends of the connecting rods, which run up.