Overview
The Martin 6018 coupling half is a professional-grade roller chain sprocket coupling hub engineered for flexible shaft coupling systems. Martin 6018 1 1/8 coupling hub half for #60 roller chain (3/4″ pitch), featuring 18 teeth, 1-1/8″ bore, 4.460″ OD, steel construction. This component is designed to accommodate standard #60 roller chain with exceptional torque capacity and precision machining.
Key Features
- Hardened teeth design: All Martin Chain Couplings have hardened teeth for extended service life and reliable engagement.
- Multiple bore configurations: Martin 6018 Reborable Roller Chain Sprocket Coupling Hub, 60 Chain, 1 to 2.438 in Dia Bore, 18 Teeth, 4.46 in OD with reborable or finished bore options.
- High torque capacity: Roller chain couplings have a torque capacity in excess of the torque normally transmitted by shafting which falls within the coupling bore range.
- Precision steel construction: Precise machining and processes ensure consistent finish and high quality.
- Wide speed range: Rated for operation up to 3000 rpm under standard conditions.
Technical Specifications
- Chain Type: #60 Roller Chain (0.750″ pitch)
- Number of Teeth: 18
- Outside Diameter: 4.46″
- Hub Diameter: 3.5″
- Hub Length: 1-7/8″
- Material: Steel with hardened teeth
- Bore Diameters Available: 1″ to 2.438″
- Maximum RPM: 3000 rpm
- Coupling Component Type: Hub Half / Sprocket Half
Typical Applications
Martin 6018 coupling halves are widely used in industrial machinery requiring flexible power transmission between parallel shafts. Common applications include:
- Conveyor systems and material handling equipment
- Industrial drive systems where shock loads must be absorbed
- Machine tool drive trains and spindle applications
- Process equipment with misalignment tolerance requirements
- Reversing operations and intermittent duty cycles
- Pump and compressor coupling applications
For a reversing operation, shock or pulsating loads, or other severe operating conditions, select the next larger coupling size. A cover should be used to assure maximum service life, particularly if the coupling operates at high speeds or under moist conditions. For proper lubrication, fill the space between the cover and the coupling with soft to medium consistency coupling grease.
Compatibility & Replacements
Compatible With
- #60 Roller Chain (0.750″ pitch)
- Martin coupling covers and guards
- Standard keyways for finished bore configurations
- Industrial shaft systems with parallel alignment
- Reversible and variable speed drives
Replaces / Drop-In Replacement For
- Martin 6018 (all bore size variants including 1-1/8″, 1-1/4″, 1-1/2″, 1-7/8″, 2″, 2-3/8″)
- Martin 6018 stock bore and finished bore versions
- Other #60 chain coupling half units with 18-tooth configuration
Works With
- Martin coupling chains and sprockets
- Rigid and flexible shaft coupling systems
- Belt-driven and motor-coupled assemblies
- Standard industrial lubrication and maintenance protocols
- OEM replacement coupling applications
