Set your trailer up right with a 70 inch spring center to match your hanger spacing. Confirm both hub face to hub face and spring center measurements—hub face is measured from center of the tire to center of the tire on your trailer, and spring center is measured center of spring to center of spring. If your brackets don't line up, a trailer shop or good welder can move them to the 70" measurement.
Yes, a trailer shop or good welder can move the spring brackets to 70". Make sure the hub face length matches your measurement before modifying. Confirm your axle capacity and whether you need idler or brake hubs. This is a common workaround when 70" spring centers aren't available off the shelf.
Measure hub face to hub face and spring center to spring center. The hub face is measured center of tire to center of tire, and spring center is center of spring to center of spring. A 70" spring center is not very common, so double-check both numbers. If the axle has camber, install it with the bow upward. If you need a drop, verify the drop spindle measurement.
Confirm hub face to hub face length since some specs list overall length differently. Check whether the axle is cambered and orient the bow upward. If you want a drop, verify the drop spindle dimension. For hubs, record bearing part numbers, your lug pattern, and measure spindle points C and D with a digital caliper.
Have the axle tag info or clear axle photos plus your hub face and 70" spring center measurements. Measure hub face center of tire to center of tire and spring center to spring center. For u-bolts, know the axle's capacity and the axle diameter or thickness if it's square. This helps match hubs, brakes, and hardware correctly.
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