Loading and unloading machinery refers to the activity of changing the storage and support status of objects to change their spatial position, which is called transportation. Both are collectively referred to as loading and unloading and transportation. It can be divided into warehouse loading and unloading, railway loading and unloading, port loading and unloading, automobile loading and unloading, aircraft loading and unloading, etc. Loading and unloading machinery has complex operating conditions such as frequent start and stop, impact load, and high load, which are very unfavorable for the normal use and maintenance of bearings. KMR provides solutions for loading and unloading machinery to meet usage needs and provide users with longer maintenance free time.