精品视频亚洲一区二区,狠狠狠一区二区三区熟,尹在国产香蕉在线视频,在车里被撞了八次高黄

價(jià) 格：5600

三排滾柱式回轉(zhuǎn)支承有三個(gè)座圈，鑫達(dá)上下及徑向滾道路各自分開，排滾使得每一排滾柱的柱式支承負(fù)載都能確切地加以確定。能夠同時(shí)承受各種載荷，回轉(zhuǎn)是鑫達(dá)四種產(chǎn)品中承載能力的一種，軸、排滾徑向尺寸都較大，柱式支承結(jié)構(gòu)牢固，回轉(zhuǎn)特別適用于要求較大直徑的鑫達(dá)重型機(jī)械，如斗輪式挖掘機(jī)、排滾輪式起重機(jī)、柱式支承船用起重機(jī)、回轉(zhuǎn)港口起重機(jī)，鑫達(dá)鋼水運(yùn)轉(zhuǎn)臺(tái)及大噸位汽車起重機(jī)等機(jī)械上。排滾

The柱式支承 three-row roller slewing bearing has three seat-rings,which separate the upper,lower and radial races,via which the load of each row of the rollers may be specified.It may bear different loads simultaneously and its load capacity is the largest one among the four models.Thanks to the large size of its axle and radius,it is sturdy and especially suitable for heavy-duty machines which require large working radius.such as bucket-wheel excavators,wheeled cranes,ship cranes,ladle turrets,heavyduty mobile cranes etc.