The typically refers to a specific tapered roller bearing cup (the outer ring) used in heavy-duty industrial and automotive applications. It is most commonly paired with a 3982 or 3994 cone (the inner part) to form a complete bearing set, such as the SET97 assembly . Technical Specifications

Tapered roller bearing 3982-3927x-timken 63.5x110x30. 162mm. 123Bearing

While you can buy the 3927X cup separately, it is best practice to replace both the cup and cone at the same time to ensure even wear patterns.

Standard chrome steel versions typically operate reliably between -30°C and 110°C . Alternative: Pantone Graphite

Combines the 3982 cone with the 3927X cup.

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