Overview
The Falk Steelflex 0246657 is a precision-engineered grid coupling hub for the 1070T size family, featuring RSB (Small Through Hole-Rough Stock) style construction. This component is part of Falk’s proven Steelflex grid coupling system, combining high torque capacity with torsional flexibility. Manufactured by Rexnord (Falk division), it delivers reliable, maintenance-free operation in demanding industrial automation and motion control applications.
Key Features
- Heavy-duty steel construction engineered for consistent performance under high-load conditions
- RSB (Rough Stock Bore) hub style designed for field machining to exact bore requirements
- 1070T coupling size compatible with the full Falk Steelflex 1070T family grid assembly and cover systems
- 5-year lubrication warranty when installed with Falk LTG lubricant—no periodic maintenance required
- Balanced design for smooth, vibration-free operation at high speeds
- Torsional flexibility reduces shock loads and protects connected equipment
Technical Specifications
- Part Number: 0246657
- Coupling Size: 1070T
- Hub Style: RSB (Small Through Hole-Rough Stock)
- Hub Diameter: 3.44 inches
- Bore Size Range: 3/4 to 2-1/2 inch (field machining required)
- Length Through Bore: 3 inches
- Material: Steel
- Weight: 8.90 lbs
- Lubrication Warranty: 5 years (with Falk LTG lubricant)
- Maximum Torque Range: Up to 932,000 Nm (Steelflex series capability)
- Shaft Diameter Capability: Up to 508 mm (Steelflex series range)
Typical Applications
The Falk Steelflex 0246657 hub is ideal for:
- Industrial motors and gearboxes—connecting high-torque machinery with smooth power delivery
- Pump and compressor drives—accommodating slight shaft misalignment and reducing vibration transmission
- Conveyor systems—providing reliable coupling in demanding continuous-duty environments
- Line shaft applications—enabling flexible, efficient power distribution across multiple shafts
- OEM equipment rebuilds and retrofits—drop-in replacement for existing 1070T coupling installations
Compatibility & Replacements
Compatible With
- Falk Steelflex 1070T grid coupling assemblies (all series)
- Falk 1070T aluminum or steel cover systems
- Falk T10 and T20 series grid coupling families
- Standard 3/4 to 2-1/2 inch shaft diameters (after field machining)
Replaces / Drop-In Replacement For
- Original Falk 0246657 OEM hub components
- Direct replacement for worn or damaged 1070T RSB hubs in existing installations
- Verify compatibility with your specific grid assembly before ordering
Works With
- Falk Steelflex grid couplings (all 25 standard sizes)
- Falk LTG lubrication system (recommended for 5-year warranty)
- Industrial motor shafts and gearbox output shafts (with appropriate bore machining)
- Applications requiring torsional flexibility and shock load reduction
