4 pièces de chariot minier en minerai, petite roue de chariot de mine, fonte, diamètre 7 1/4 pour LG

  

4Pcs Mining Ore Car Small Track Mine Cart Wheel Cast Iron Diameter 7 1/4 For LG. OD 7 1/4 inch, center hole 15/16 inch. 4 MINING ORE CAR SMALL TRACK MINE CART WHEEL CAST IRON LG 7 1/4 dia.

Mining Cart Wheel Set Features. Manufactured from cast iron, great for making display carts.

Will hold some weight but not for everyday use. The solid cast iron wheel is mainly used to reduce the friction of the mine car on the ground so that the mining car can be walked. The rail wheel is the same as the bicycle wheel, reduce frictin, so mining car can move safely and quickly, which reduces the wear and tear of the machine and reduces The resistance, which also reduces the manpower. So the life of the underground mining car can be used longer.