Fafnir 2MM910WI CR DUM is a bearing from the Fafnir lineup, identified by part number 2MM910WI. It features a 2-1/8-inch outer diameter and a 1-1/4-inch inner bore, with catalog reference 164696. The CR DUM designation denotes this specific configuration within the model family. Designed for inch-size fittings, this bearing should be paired with a shaft and housing that match a 1-1/4 in bore and 2-1/8 in outside diameter to ensure proper seating and performance. The model designation and size details help with precise replacement and cross-referencing in catalogs and parts databases.
