Overview
The Dodge 117120 is a precision taper-lock bushing from the 3020 series, designed for demanding mechanical power transmission applications. This split-tapered locking bushing provides secure, wobble-free mounting of sprockets, pulleys, and shaft couplings. The sintered steel construction and 8-degree taper angle ensure reliable grip under full load conditions.
Key Features
- Split-tapered design with 8-degree taper for secure, tool-free locking
- Sintered steel construction for durability and wear resistance
- Eliminates key/bushing clearances for improved precision fit
- No wobble—flush-mounted design with no protruding parts
- 24,000 in-lb torque capacity for demanding industrial duty
- Integral keyway eliminates loose keys and loose key problems
Technical Specifications
- Bore Diameter: 2-1/8 inch (Stock bore)
- Barrel Diameter: 4-1/4 inch
- Hub Diameter: 5.63 inch
- Overall Length: 2 inch
- Taper Angle: 8 degrees
- Keyway: 1/2 × 1/4 inch
- Bolt Circle: 4 inch
- Bolt Holes: 2
- Screw Size: 5/8 × 1-1/4 inch
- Torque Capacity: 24,000 in-lb
- Material: Sintered Steel
- Series: 3020
Typical Applications
The Dodge 117120 is widely used in:
- Sprocket and pulley mounting on conveyor systems
- Coupling installations in industrial machinery
- Power transmission shafts requiring high torque transmission
- Manufacturing and assembly line equipment
- Heavy-duty equipment with variable load conditions
Compatibility & Replacements
Compatible With
- Dodge mechanical drive component systems
- Standard industrial shafts with 2-1/8 inch diameter
- Sprockets, pulleys, and shaft couplings designed for taper-lock mounting
- Applications requiring 24,000 in-lb torque capacity
Replaces / Drop-In Replacement For
- Direct replacement for Dodge 117120 applications
- Verify specific application requirements with your system integrator before ordering
Works With
- Standard industrial shaft collars and mounting hardware
- Taper-lock compatible sprockets and pulleys (all manufacturers)
- Mechanical power transmission systems






