Overview
The Rexnord 1040T10 Steelflex grid coupling hub is a precision-engineered component for shaft alignment and torque transmission in industrial machinery. As part of Falk’s T10 series, this coupling combines proven reliability with minimal maintenance requirements, making it ideal for pump drives, compressor systems, fan drives, and other rotating equipment requiring flexible coupling performance.
Key Features
- Horizontally split aluminum cover enables grid replacement without moving connected equipment
- Double-flexing design accommodates angular, parallel, and axial misalignment
- Replace-in-place configuration eliminates realignment during maintenance
- High-strength alloy steel grids quenched and tempered to spring hardness
- Torsional flexibility handles normal shock and vibratory loads
- 5-year lubrication warranty with Falk LTG grease
Technical Specifications
- Torque Rating: 249 Nm
- Bore Range (Min): 0.5 inches
- Bore Range (Max): 1.625 inches
- Cover Material: Aluminum (horizontally split)
- Coupling Style: Grid coupling, double-flexing
- Cover Length: 5.25 inches
- Cover Height: 6.00 inches
- Coupling Type: Type T10 Steelflex
- Series Size: 1040T
Typical Applications
The 1040T10 is widely used in:
- Centrifugal pump drives
- Reciprocating compressor systems
- Positive displacement blower applications
- Electric motor-to-gearbox connections
- Fan and ventilation equipment
- Four-bearing close-coupled system configurations
Compatibility & Replacements
Compatible With
- Falk 1040T series coupling components (1040T10 hubs, covers, and grids)
- Motor shafts with bore diameters between 0.5″ and 1.625″
- Gearbox and pump input/output shafts within bore range
- Standard horizontal split coupling installations
- Interference fit and clearance fit mounting methods
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering to ensure proper fit and performance specifications for your application.
Works With
- Falk Long Term Grease (LTG) — recommended lubricant for extended service life
- Standard lithium and soap/polymer-based industrial greases
- Falk coupling installation and maintenance procedures (Document 428-110)
- Horizontal split cover grid assemblies and T10 series parts kits








