Gates 7838-4115 Quick Disconnect Bushing 1-15/16" Bore

The Gates 7838‑4115 is a heavy‑duty Quick Disconnect (QD) tapered bushing designed for secure mounting of pulleys, sprockets, and sheaves onto driven shafts. It provides high torque transmission, accurate alignment, and easy installation or removal for industrial power transmission applications. Technical Specifications Manufacturer: Gates Manufacturer Part Number: 7838‑4115 Bushing Type: QD (Quick Disconnect) tapered bushing Bore Diameter: 1.9375 in (1‑15/16 in) Bore Type: Finished bore with keyway Keyway Size: 1/2 in × 1/4 in Flange Outside Diameter: 3.8750 in Flange Thickness: 0.5625 in Length Through Bore (LTB): 1.9375 in Bolt Circle Diameter: 3‑5/16 in Number of Bolt Holes: 3 Material: Cast iron Finish: Black oxide / industrial protective coating Mounting Method: Tapered interference fit with cap screws Fasteners Included: Yes (mounting bolts as shown) Torque Transmission Method: Friction taper lock design Bushing Series: QD Alignment Capability: Provides accurate shaft concentricity Balance Capability: Suitable for standard industrial operating speeds Compatible Components: QD series pulleys, sprockets, and sheaves Typical Applications: Motors, conveyors, gear reducers, pumps, fans, industrial machinery Standards Compatibility: ANSI shaft and keyway standards Product Condition: New Manufacturing Country: United States