The Fafnir SM1115K MUBD 1-15 16” Roller Ball Bearing with Collar is a large-diameter ball bearing from Fafnir, designed with a collar for axial positioning and shaft retention. The SM1115K MUBD designation identifies this specific size/series within the brand’s lineup, and the 16” designation indicates the bearing’s overall scale in this model. It’s suitable for industrial machinery where a collar-retained bearing supports rotating shafts and maintains precise alignment during operation.
