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由马鞍山统力回转支承有限公司(以下简称“统力”)自主研发的椭圆滚道回转支承,于2008年荣获国家发明专利证书,现已成功配装在多家企业的起重机上。椭圆滚道回转支承是对传统双
The self-developed elliptical raceway slewing bearing developed by Maanshan Tongli Slewing Bearing Co., Ltd. (hereinafter referred to as “Tongli”) won the national invention patent certificate in 2008 and has been successfully equipped on the cranes of many enterprises. Oval roller slewing bearings are double pairs