Mercury - Bearing Race Bravo X, XR & XZ Sterndrive Drivetrain Precision-Hardened Steel 861791. OverviewThere's a quiet kind of confidence that comes from knowing the heart of your sterndrive is supported by components you trust. When you're cruising through a wide channel or carving a steady line on open water, you want every moving part beneath the transom to feel solid, smooth, and predictable. The Mercury Marine part number 861791 Bearing Race delivers that peace of mind. It's one of those un