F-91916 is a needle roller bearing (specifically for printing presses), an open, seal-less type, primarily designed to bear radial loads. It is commonly used in eccentric and roller components of printing equipment and textile machinery, and is classified as a non-standard bearing specifically for equipment maintenance. Model F-91916 Brand ZH Material Chrome Steel precision P0 P6 P5 P4 Product Description - Printing Machinery: Core bearings in the rollers, folding machines,