KOYO brand deep groove ball bearing 6308 NR ZZ ZNR C3 slot snap ring bearing 6304 6305 6306 6307 6309 6310 NR ZNR A: barreled package+outer carton+pallets B: single box+outer carton+pallets C: tube package+middle box+outer carton+pallets D: According to your's requestion for Good price deep "