F608ZZ bearing is a flanged ball bearing made of chrome steel in which the bearing is metal shield from both sides It has an 8mm inner diameter, a 22mm outer diameter, a 7mm thickness, and an 25mm flange.
MF117ZZ bearing is a flanged ball bearing made of chrome steel in which the bearing is metal shield from both sides It has an 7mm inner diameter, a 11mm outer diameter, a 3mm thickness, and an 12.2mm flange.
MF63ZZ bearing is a flanged ball bearing made of chrome steel in which the bearing is metal shield from both sides It has an 3mm inner diameter, a 6mm outer diameter, a 2.5mm thickness, and an 7.2mm flange.