D-type Universal Joints with solid bores incorporate a standard pin and block design and are ideal for applications with angles up to 25 deg and speeds of up to 1750 RPM. Boot retaining grooves are standard. For optimal wear and extended life, lubrication and boots are required. (Boots are available for purchase separately). Lovejoy® Universal Joint, Type D Finished Bore Pin and Block, D11B Size, 1.25 in Dia x 1.38 in D Bore, 1-3/4 in Diameter Joint, 10680 in-lb Static Torque, 1750 RPM Maximum, 5 in Overall Length, 2-1/2 in Pin Height, 25 deg Maximum Misalignment Angle, Steel, Metallic