i dunno if this is new but its new news to me. We just recived a motor back from service which has obviuos been completely replaced, and has quite a few notable changes.
-has a 16x5x4 front bearing, with the 13x5x4 rear bearing.
-has a removeable front endbell thats keyed in place with setscrew through both pieces
-has hex hardware holding the rear endbell on
no more phillips!
-has grommets on wires, which are also double insulated
-has both m3 and m4 holes on a standard 25mm pattern.
-case is machined to where the fins start further back on the motor (to allow for machanical brakes better i assume.....?
but the stupid thing doesnt have a flat spot on the shaft so i gotta tear it down and fix that, but i looks pretty good. only other squak i have about it is that the way the front endbell is layed out you cant use mikes front cover/plate......