1. Introduction A Brief Overview of Bearings and Their Importance Have you ever wondered what allows a car's wheels to spin freely, a ceiling fan to turn smoothly, or even a hard drive to whir at incr...
It is a supporting roller bearing with a rear wall outer ring, and the roller can roll directly on the raceway and can withstand large loads. The outer surface of the outer ring of the roller is cylindrical. The two ends are sealed, and the outer ring, needle roller cage assembly, and sealing ring form a complete unit. Synthetic rubber seals are selected on both sides to ensure long-term lubrication, prolong the service life of the product, and improve work efficiency.