Lovejoy RRS099 685144 38170 HUB 0.875" (172-1) is a hub component in the Lovejoy RRS099 family, configured with a 0.875-inch hub size and identified by part numbers 685144 and 38170. It corresponds to the 172-1 configuration and is used to interface a shaft with a Lovejoy coupling in mechanical power transmission systems.
