滚珠轴承金属车轮（1台2轴4轮）
车轮直径：38~90mm 负重：500~40000kg
型号：BB01～04，1~4,5~8,9~12,13~16,17~20,21~24,25~28,29~32,33~36,37~40,41~44,45~48,49~52,53~56,57~60,61~64,
65~68,69~72,73,74~77,78~81,86~89,90~93,94~95,98~99,100~103,104~107,108~111,112~115,116~119,120~123,124~127，128~131,132~135,136~139，140~143,144~147,148~151,152~155,156~158,159~161,162~164,201~204,205~208,209~212
，213~216,217~220,221~224,225~228,229~232,233~236
钢轨规格：A,B,C,R