20 mm x 37 mm x 23 mm 20 mm x 37 mm x 23 mm ISO NKIB 5904 complex bearings

20 mm x 37 mm x 23 mm 20 mm x 37 mm x 23 mm ISO NKIB 5904 complex bearings 4.5900 in D SEARCH - Whether it's agriculture or 20 mm x 37 mm x 23 mm construction equipment your working on, Has theComplex Bearings you need. NSK bearing Trading Co., Ltd

What is NKIB 5904 bearing cross reference？