Composition of planetary gear system

The planetary gear system is mainly composed of planetary gear g, central gear k, and planetary carrier H

Structure type of rolling needle

Needle roller bearings consist of a ring, needle rollers, and a cage

Installation techniques for needle roller bearings

For needle roller bearings without inner or outer rings, a thin layer of lubricating grease can be applied to the rolling surface of the shaft or housing hole during installation

What is a rolling needle

Needle roller refers to the rotating body on the needle roller bearing

Specification and model of cylindrical roller

The specifications and models of cylindrical roller bearings mainly include the following