50 mm x 105 mm x 36 mm 50 mm x 105 mm x 36 mm KOYO JHM807045/JHM807012 KOYO Bearing

YOU’LL FIND UBC Mechanical Electronic Instrument Co., Ltd. AN EXTENSIVE 400 mm C SELECTION OF 50 mm x 105 mm x 36 mm 50 mm x 105 mm x 36 mm KOYO JHM807045/JHM807012 KOYO Bearing 50 mm x 105 mm x 36 mm FOR 2300 Kg Weight SALE.

What is JHM807045/JHM807012 bearing interchange？