Overview
The Falk 1090T10 Steelflex Cover & Grid Assembly is a precision-engineered replacement component for Falk Steelflex grid couplings. Part of Rexnord’s industry-leading T10 series, this horizontally-split aluminum cover assembly enables quick grid element maintenance and replacement in existing coupling installations. The 1090T10 accommodates shaft bores from 1.062 inches to 3.5 inches and delivers dependable torque transmission with factory-standard lubrication compatibility.
Key Features
- Horizontally-split design: Simplifies grid replacement without disconnecting shafts
- Aluminum cover construction: Lightweight, corrosion-resistant, and durable
- T10 compatibility: Direct fit for Falk Steelflex T10 coupling systems
- Pre-measured lubrication: Comes with Falk Long Term Grease (LTG) for extended service intervals
- Sealed gaskets: Protects against grease leakage and contamination
Technical Specifications
- Model: 1090T10
- Torque Rating: 3730 Nm (33,000 in-lb)
- Maximum Bore: 3.5 inches
- Minimum Bore: 1.062 inches
- Maximum Speed: 3600 RPM
- Horsepower @ 100 RPM: 52.4 hp
- Cover Material: Cast Aluminum
- Cover Overall Length: 4.81 inches
- Hub Outside Diameter: 4.88 inches
- Coupling Overall Length: 7.88 inches
- Weight: 58.23 lbs
- Angular Misalignment: 0.25 degrees (maximum)
- Parallel Misalignment: 0.016 inches (maximum)
Typical Applications
The Falk 1090T10 assembly is ideal for four-bearing systems in industrial environments including:
- Pump and fan drive systems
- Compressor and turbine applications
- Motor-driven machinery requiring flexible torque transmission
- HVAC and process equipment
- General industrial power transmission
Compatibility & Replacements
Compatible With
- Falk Steelflex T10 coupling systems (all sizes 1020T through 1090T10)
- Rexnord grid coupling ecosystems
- Standard industrial shafts with bores 1.062″ to 3.5″
- Falk Long Term Grease (LTG) lubrication systems
Replaces / Drop-In Replacement For
- OEM Falk/Rexnord 1090T10 cover-grid assemblies
- Coupling maintenance applications requiring standard T10 components
- Part number 776208 and equivalent Rexnord catalog replacements
Works With
- Falk Steelflex Type T10 coupling series
- Horizontally-split cover maintenance kits
- Falk Long Term Grease (LTG) and compatible petroleum-based lubricants
- Standard mechanical power transmission systems without controller integration










