Does anyone know where to buy 1.000" (25.4mm) ID, 2.047" (52.0mm) OD, 0.591" (15.0mm) thick sealed ball bearings? I need to put my '72 TNT drive axle back in and need to get my '73 Silver Bullet rear skid back together. All I find is 25mm ID, 52mm OD, 15mm thick bearings, which do not fit.