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Patent

Split single-row ball slewing bearing

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TLDR
In this paper, a split single-row ball bearing is presented, where the inner ring, the outer ring and the retainer are divided into two symmetrical halves, and the steel ball is placed in retainer.
Abstract
The utility model discloses a split single-row ball slewing bearing which comprises an outer ring, an inner ring, a steel ball, a retainer and a sealing ring and is characterized in that the outer ring, the inner ring and the retainer are divided into two symmetrical halves, and the steel ball is placed in the retainer. According to the split single-row ball slewing bearing, a single-row ball slewing bearing is divided into two semicircular slewing bearings, each half slewing bearing serves as a whole and comprises the half inner ring, the half outer ring, a half isolation block, the half steel ball and the half sealing ring. During assembly, the two identical semicircular slewing bearings directly constitute the slewing bearing. In this case, since the inner ring, the outer ring and the retainer are divided into the two halves capable of being dismounted freely, the slewing bearing can be replaced or maintained simply and quickly without dismounting a whole upper rack and without limitation of fields.

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Patent

Slewing bearing and oil injection process thereof

Wang Liqiang
TL;DR: In this article, an outer ring, an inner ring and a plurality of isolating blocks are arranged between the inner raceway and the outer raceway, and inner teeth are arranged on the inner diameter surface of the inner ring.
Patent

Design of internal guide manner of high-precision high-rotation-speed turntable bearing

TL;DR: In this article, a steel ball holder is fixed between an inner ring and an outer ring, and the inner and outer rings are fixedly connected by a sealing ring, the side, close to the holder, is provided with two guiding arc surfaces which guide in the point contact manner of the inner ring raceway and the guiding arc surface surfaces.