单排四点接触球式回转支承(Q系列)和(01系列) 单排四点接触球式回转支承由两个座圈组成,结构紧凑,重量轻,钢球与圆弧滚道四点接触,能同时承受轴向力,径向力和倾翻力矩,回转式输送机,焊接操作机,中小型起重机和挖掘机等工程机械均可选用。 The single-row four points contact ball Slewing Bearing is composed of 2 seat-rings.It features compact in design,and light in weight.The balls contact with the circular race at four points,via which the axial force,radial force and resultant moment may be born simultaneously. It may be used for slewing conveyors,welding arms and positioners,light,medium duty cranes,excavators and other engineering machines. 您可以根据不**业,选择需要的回转支承。如果样本中所列产品,不能满足您的需要,我们可以根据您的具体要求,为您量身定做各种非标准回转支承.公司产品精度高,寿命长,**,售后服务完善,受到国内外客户的高度赞誉,可批量生产标准和非标准的回转支承,公司已通过ISO9001国际质量体系认证,产品销往全国各地,并出口亚洲、欧洲、美洲等三十多个国家和地区