Function provided by pulley
Large and medium bearings usually require more force than mechanical tools can provide. Therefore, it is recommended to pulley use hydraulic power tools or oiling method, or both. This means that oil holes and oil grooves need to be designed on the shaft.
Hot disassembly
When disassembling the inner rings of needle roller bearings or Nu, NJ, and NUP cylindrical roller bearings, it is suitable to use the hot disassembly method. Two common heating tools: heating ring and adjustable induction heater.
The heating ring is usually used to install and remove the inner ring of small and medium-sized bearings with the same size. The pulley heating ring is made of light alloy. The heating ring is provided with radial slots and is equipped with an electrically insulated handle.
