YB212NL REXNORD bearings FB22448H;YB212NL,YB212NL weight,YB212NL size,YB212NL parameter 512U45B2ZG1 weight,512U45B2ZG1 size,512U45B2ZG1 parameter,F4B-SCEZ-40M-SH weight,F4B-SCEZ-40M-SH price,] drawing,YB212NL weight,YB212NL price,] drawing, drawing, price, size, Delivery time,512U45B2ZG...