This is a genuine replacement part sourced from the original manufacturer for use with power tools and small engines. Metal ball bearings are commonly used to reduce friction between a rotating shaft and a fixed part assembly. This bearing is compatible with several different types of equipment and its application can vary based on the model. The bearing is sold individually.
This is an authentic Hitachi replacement part that has been sourced from the original manufacturer to be used with power tools. The nuts are used with several different types of tools and the application of the nuts can vary based on the model of the equipment. These nuts are sold in packs of ten, please see illustrated diagram for the parts location and usage.