20 mm x 47 mm x 21.4 mm 20 mm x 47 mm x 21.4 mm SNR CESR.204A Bearing units,Insert bearings

Various Bearing units,Insert bearings types NTN BEARING MANUFACTURING DE MEXICO,S.A.DE C.V. and sizes to accommodate your 20 mm x 47 mm x 21.4 mm 20 mm x 47 mm x 21.4 mm 20 mm x 47 mm x 21.4 mm SNR CESR.204A Bearing units,Insert bearings requirements.

What is CESR.204A bearing interchange？