Flange Graphite Lubricating Brass Bearing Bushing Sleeve Oilless ID 5/6/8mm~25mm
● Material: Copper-Base Alloy+Graphite. Self Lubrication: By Frictional Heat, Solid Lubricant Rubs Against The Shaft To Form A Stable Solid Lubrication Diaphragm, Reducing Direct Adhesive Wear Between The Shaft And Bearing.