WYJ2 - Bearing Press-Mounting Machine is mainly used for non-axle box rolling bearing press fitting of railway EMU, passenger cars, light rails and metros. It is controlled by the computer which can automatically generate the press curve and can determine whether the result is qualified or not, the mounting process data can also be recorded automatically. The main oil cylinder adopts double-cylinder compound cylinder structure. The internal cylinder is used for accurately positioning the bearing during press-mounting, and the external cylinder is for bearing mounting. The entire press-mounting process is completed on the equipment axis.