I spoke to my contact at Roadmaster about the Roadmaster Quiet Hitch for 2" Trailer Hitches part # RM-061 and they informed me that all three components (u-bolt, bar, and fasteners) are made of zinc plated steel so they will be corrosion and rust resistant. view full answer...
The Ultra-Fab Steel Mini Roller that you mentioned part # UF48-979022 does not have a grease zerk.
However we do have the Ultra-Fab Jumbo Roller that is 2 inches wide by 3 inches tall that does have a grease zerk and it is part # UF48-979023. view full answer...