The Martin SK 1-7/8″ Quick Disconnect (QD) Bushing is a high-quality, durable component designed for efficient power transmission in industrial applications. Crafted from robust steel, this bushing ensures reliable performance and longevity in demanding environments.
Key Features
- Quick Disconnect Design: Facilitates easy installation and removal, minimizing downtime during maintenance.
- Flanged Construction: Provides a secure fit and enhances stability during operation.
- Versatile Mounting: Suitable for both conventional and reverse mounting configurations.
- Interchangeability: Compatible with QD bushed parts from various manufacturers, offering flexibility in system design.
- Precision Machining: Manufactured to meet or exceed industry standards, ensuring consistent quality and performance.
Technical Specifications
- Bore Diameter: 1-7/8 inches (1.875 inches)
- Flange Outside Diameter: 3-7/8 inches
- Hub Diameter: 4-1/2 inches
- Overall Length: 1.938 inches
- Barrel Diameter: 2.812 inches
- Flange Thickness: 0.563 inches
- Bolt Circle Diameter: 3.312 inches
- Number of Bolt Holes: 3
- Screw Size: 5/16-18 x 2 inches
- Keyway Size: 1/4 x 1/2 inches
- Torque Rating: 7,000 in-lb
- Material: Steel
- Weight: Approximately 2.3 lbs
The Martin SK 1-7/8″ QD Bushing is engineered to provide a secure and efficient connection between shafts and mounted components, such as pulleys and sprockets. Its quick disconnect feature allows for rapid assembly and disassembly, enhancing operational efficiency. The flanged design ensures a tight fit, reducing vibration and extending the lifespan of connected machinery. This bushing is an essential component for maintaining optimal performance in various industrial power transmission systems.

















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