Overview
The Dodge 120436 SK X 1-15/16 QD quick disconnect bushing is a precision-engineered component for high-torque shaft coupling applications. Manufactured from ductile iron, this Type SK bushing delivers reliable gripping power and ease of maintenance across heavy-duty industrial equipment, conveyors, pumps, and drive systems. The quick-disconnect design enables rapid assembly and disassembly without compromising load capacity.
Key Features
- Quick-disconnect design for fast removal and installation without tools
- 7000 in-lb torque rating when screws are properly tightened
- Type SK bushing size for compatibility with standard SK-bore pulleys and sprockets
- Ductile iron construction provides durability and vibration damping
- Standard 1/2 x 1/4 in keyway for positive drive engagement
- 3 bolt holes with 5/16-18 x 2 in screws for secure mounting
Technical Specifications
- 1-15/16 in bore diameter (1.9375 in)
- 1.88 in overall length (OAL)
- 4-3/4 in hub diameter
- 3-7/8 in flange diameter
- 2.81 in barrel diameter
- 3-5/16 in bolt circle diameter
- 1/2 in flange thickness
- 180 in-lb installation torque
- 3 mounting holes, 5/16-18 UNC
- 1/2 x 1/4 in keyway
- Material: Ductile Iron (Sintered Steel)
- Weight: 2.30 lb
Typical Applications
- Conveyor drive systems and belt tensioners
- Pump and fan couplings
- Pulley mounting on motor shafts
- Sprocket attachment to industrial drivetrains
- Variable speed drive systems
- Heavy-duty rotating machinery requiring quick changeover
Compatibility & Replacements
Compatible With
- Type SK-bore pulleys (1-15/16 in bore)
- Type SK sprockets and sprocket clusters
- Dodge sheaves and sheave assemblies
- Martin sprockets with SK bore
- Browning SK-bore power transmission components
- Standard tapered bushings and shaft-locking mechanisms
Replaces / Drop-In Replacement For
- Dodge SK X 1-15/16-KW (equivalent designation)
- Direct replacement for wear or damaged Type SK bushings with 1-15/16 in bore
Works With
- All standard SK-series power transmission equipment
- Conventional and reverse mounting configurations
- Factory rebore services for custom shaft sizes
- OEM pulley and sprocket assemblies rated for SK bushing mounting
