45 mm x 100 mm x 72.5 mm 45 mm x 100 mm x 72.5 mm SNR ZLG.309.AB Bearing Housings,Multiple bearing housings ZLOE/DLOE, ZLG/DLG

What NTN BEARING MANUFACTURING DE MEXICO,S.A.DE C.V. are the dimensions of a 45 mm x 100 mm x 72.5 mm 45 mm x 100 mm x 72.5 mm SNR ZLG.309.AB Bearing Housings,Multiple bearing housings ZLOE/DLOE, ZLG/DLG? Bearing Housings,Multiple bearing housings ZLOE/DLOE, ZLG/DLG Manufacturing 45 mm x 100 mm x 72.5 mm Service . In Stock Availability: Get Your Free, Instant Quote‎！

What is ZLG.309.AB bearing interchange？