Carrier assy – what is it? In the other words carrier assy is complete travel final drive gearbox set. It is used in the planetary propulsion system to convert the drive. The more satelites are in gear, there is more power. Depending on the construction of the travel final drive, we can distinhuish carrier assy’es
What is this? Needle bearing is one of the roller bearing types (K), commonly called needles. Their name comes from the fact that the rollers resemble needles – their diameter is small compared to the size. It is also worth to mentioning that the slighty rounded ends of the rollers counteract their wedging. Needle bearings
