Keyed to both shaft and drive component to provide higher torque carrying capacity Solid flange and double-split barrel improve concentricity and provide strong clamping on the shaft Bushing - 1 3/8 Inch Bore – Ag Parts Direct Martin P1 34 P134 MST Bushing - Mara Industrial This split taper bushing is used in automobiles, construction equipment, agricultural machinery, and home appliances, among others. The bushing is made of sintered powder steel for greater strength and wear resistance than plain carbon steel. Martin Sprocket & Gear manufactures power transmission and conveying products. Bushings are used in automobiles, construction equipment, and machine tools, among others. The company, founded in 1951 and headquartered in Arlington, TX, provides tools that meet American National Standards Institute (ANSI), National Aerospace Standard (NAS), and Deutsches Institut für Normung (DIN) standards. They are made of durable metals such as cast iron and steel. Bushings are cylindrical parts used to mount pulleys, sheaves, sprockets, or other components to drive shafts for the transmission of mechanical power. Martin P1 MST Bushing Sintered Steel 1.38 Bore 1.9375 OD Martin 2517 1-3/8 Bore Pulley Mount Martin 2517 - 1- 3/8" Inch, Sintered Steel, 1.38" Bore, 3.375" OD, For Pulleys & Sprockets Taper Bushing Sintered Steel Bushing