The BHR device consists of a socket in the shape of a shallow cup (acetabular component), and a cap in the form of a ball head (femoral resurfacing component).

The cap moves within the cup. The surfaces that rub against each other (the bearing couple) are made from highly-polished metal. This type of bearing couple is called a metal-on-metal bearing couple.

The cup (acetabular component) is available in two styles: a one-piece cup or a two-piece cup. The one-piece cup is a single component. The two-piece cup has a metal outer shell and a separate metal liner that locks into the shell.