Trailer axle measures 57-1/2" from hub face to hub face and 46-1/2" from spring center to spring center. Includes idler hubs with bearings, races, and seals. Corrosion-resistant galvanized steel is great for a boat or snowmobile trailer.

Square trailer axle beam measures 57-1/2" from hub face to hub face (when hubs - sold separately - are mounted) and 46-1/2" from spring center to spring center. Corrosion-resistant galvanized steel is great for a boat or snowmobile trailer.