:軸承型號(hào)查詢數(shù)據(jù)僅供參考,實(shí)際數(shù)據(jù)以國(guó)家標(biāo)準(zhǔn)為準(zhǔn),本公司不承擔(dān)任何責(zé)任!軸承型號(hào):NU321 尺寸:105*225*49