The Xike 3/4" Bearings are a 10 pack of flanged ball bearings made of carbon steel, designed for lawn mower replacement. With a thickness of 0.5 inches and an outside diameter of 1.38 inches, these bearings are compatible with most wheelbarrows, windwills, wagons, carts, and hand trucks. Manufactured by XiKe and meeting ABEC 3 specifications, these bearings can be lubricated with grease or oil for optimal performance. Perfect for ensuring smooth operation and durability in your lawn mower or outdoor equipment.