The F-221756 bearing is a special-structure bearing specifically designed for printing presses and is widely used in rotating and roller components of various printing machines. Model F-221756 Brand ZH Material Chrome Steel precision P0 P6 P5 P4 Product Description The F-221756 bearing is a special-structure bearing specifically designed for printing presses and is widely used in rotating and roller components of various printing machines. Company Profile: Zhonghong bearing