Overview
The Falk Rexnord 1040T31 spacer hub is a grid coupling component part of the T31/T35 series Steelflex coupling system. Designed for spacer coupling configurations, this straight bore shaft hub provides robust power transmission between motors, pumps, and driven equipment. The hub features steel construction optimized for industrial machinery requiring reliable torque delivery and vibration damping.
Key Features
- Grid Coupling Design: Provides flexible power transmission with integral vibration damping and shock absorption
- Steel Barrel Hub: 3.09-inch outside diameter with high torque capacity
- Straight Bore Style: Rough stock bore design for field boring or custom bore options
- Spacer Configuration: Suitable for close-connected and half-spacer coupling applications
- T31/T35 Series Compatible: Integrates with Falk Steelflex grid coupling standards
Technical Specifications
- Coupling Type: Grid coupling (spacer hub)
- Series: T31/T35 Steelflex
- Coupling Size Code: 1040T
- Hub Bore Range: 0.5 to 2.125 inches
- Hub Barrel Outside Diameter: 3.09 inches
- Hub Length Through Bore: 2.13 inches
- Overall Length: 5.50 inches
- Hub Material: Steel
- Hub Style: Rough Stock Bore (RSB)
- Maximum Speed: 3600 rpm
- Torque Capacity: 2200 ft-lbs
- Net Weight: 5.25 lbs
- Set Screws: 0 (rough stock bore)
Typical Applications
The Falk Rexnord 1040T31 spacer hub is ideal for:
- Motor-to-pump coupling assemblies in industrial automation systems
- Fan, blower, and compressor drive systems
- Gearbox input/output shaft connections
- Production machinery requiring misalignment tolerance and vibration isolation
- OEM equipment requiring spacer coupling flexibility
Compatibility & Replacements
Compatible With
- Falk Steelflex T31 spacer coupling grid elements
- Falk T35 close-connected coupling configurations
- Falk R35 half-spacer coupling designs
- Standard ANSI keyway and commercial shaft dimensions
- Industrial motor and pump shaft mounting
Replaces / Drop-In Replacement For
- Falk 1040T31/35 shaft hub assemblies (T31/T35 series)
- Original equipment manufacturer 1040T series spacer hubs
- Equivalent Rexnord Steelflex grid coupling spacer hubs
Works With
- Falk Steelflex grid coupling elements and fastener kits
- T31/T35 series coupling spacer assemblies
- Standard flanged and direct-coupled motor mounts
- Industrial shaft coupling assemblies and alignment tools
