5-281X universal joint for 1810 Series full-round bearing-plate drivelines. The greasable joint measures 49.225 mm (1.938 in) at the bearing caps and 191.694 mm (7.547 in) across the bearing-plate dimension. Verified comparison references include Neapco 6-0281, Meritor CP18N and Rockwell/Meritor R-281X. Confirm the dimensions and bearing-plate retention style before ordering.