Cup: one of four basic components of the assembled bearing. Also referred to as the outer race; the coneassembly fits into the cup.
外圈：轴承组件的四个基本组件之一，也称作外滚道；内圈装配在外圈里。
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The structure of impeller made by special material a hollow cylinder and installed in spindle assembly with cone at the top of the head, axial and key connection from, high-speed transfer button.
Tapered roller bearings are generally separable, i. E. The cone, consisting of the inner ring with roller and cage assembly, can be mounted separately from the cup (outer ring).