The 3BBR0000137238: This drive carries a Frame Size R4. That determines the physical footprint, mounting hole pattern, and the gland-plate layout for incoming power and motor cables. If you are swapping into an existing panel that was laid out for an R4 frame, the cutout and DIN-rail or backplate mounting points should match directly. If you are replacing a different frame size, expect to rework the panel layout.
That means ABB continues to manufacture and support this drive. For BOM-freeze or multi-year project planning, this is a stable line to specify.