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The single - row four point contact ball slewing ring is composed of two seatring.
单排四点接触球式回转支承,由两个座圈组成,结构紧凑、量轻、球与圆弧滚道四点接触,能同时承受轴向力、向力和倾翻力矩.
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The sealed ring material of slewing ring is manufactured by the oil resistant NBR.
转盘轴承密封圈用材料采用耐油丁晴橡胶制造.
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