Because the cages of taper roller bearings usually protrude beyond the bearing faces, special care must be taken to follow the recommended abutment dimensions.
由于圆锥滚子轴承的笼子通常伸出轴承面，必须采取特别的照顾，按照推荐的坝肩尺寸。
2
Cold ring rolling is a new technology to produce high-tech seamless rings. The asymmetry of the metal distribution in the taper ring causes large axial force, as well as sunken side faces.