Overview
The Falk 1040T31 shaft hub is a precision-engineered component designed for use in Steelflex grid coupling systems. This hub serves as the mounting interface between rotating shafts and the flexible grid coupling assembly, providing reliable power transmission in industrial automation and mechanical drive applications. Built to Falk/Rexnord specifications, the 1040T31 features standard T31/T35 bore configuration suitable for general industrial and pump applications.
Key Features
- Standard T31/T35 series bore hub geometry compatible with Falk grid coupling grids
- 1 1/8″ standard bore diameter for common shaft sizes
- Torsionally flexible design to accommodate normal shock and vibratory loads
- Sealed, lubricated coupling hub requiring periodic maintenance with Falk LTG grease
- Robust steel construction designed for long service life in continuous-duty applications
Technical Specifications
- Coupling Series: Falk Steelflex Grid Coupling, Type T31/T35
- Component Type: Standard Bore Shaft Hub
- Bore Diameter: 1 1/8″ (1.125″)
- Hub Gap Distance: Variable (consult installation manual for your specific coupling)
- Torque Capacity: Size 1040T rated for service in general industrial duty
- Material: Steel construction
- Lubrication: Sealed hub requiring Falk LTG (Long Term Grease) for optimal performance
- Operating Characteristics: Accommodates misalignment and shock loads via flexible grid element
- Maintenance: Periodic seal and gasket replacement, grease replenishment recommended
Typical Applications
The Falk 1040T31 shaft hub is ideal for:
- Pump drive systems requiring vibration damping and torque flexibility
- General industrial machinery with moderate shock loads
- Line shaft applications requiring reliable coupling components
- Fan and blower drive systems
- Compressor and motor coupling assemblies in continuous-duty environments
Compatibility & Replacements
Compatible With
- Falk Steelflex grid coupling systems (Type T10, T20, T31, T35 series)
- Rexnord mechanical power transmission systems
- Standard AISE AC/DC mill motor coupling selections
- Industrial equipment using 1 1/8″ bore shaft connections
- Taper-lock bushing systems with compatible bore reductions
Replaces / Drop-In Replacement For
The 1040T31 is a standard Falk component for the T31/T35 hub series. Verify specific bore and keyway dimensions with your system integrator to confirm drop-in compatibility with existing coupling assemblies. Original Falk/Rexnord part numbers in the 1040T31/35 standard bore family are direct equivalents.
Works With
- Falk LTG (Long Term Grease) lubrication system
- Steelflex grid elements (sizes rated for 7.5M to 8.25M lb-in torque capacity)
- Standard keyway and setscrew fastening systems
- Coupling guards and protective housings for machinery safety
- Rexnord engineering documentation and installation manuals
