Overview
The Rex 815-21T sprocket (part number 0096035003A) is a double-groove tabletop chain sprocket engineered for #815 chain systems. With 21 teeth and a 1″ bore, this sprocket delivers dependable engagement and torque transmission in modular conveyor, tabletop transfer, and light industrial machinery. Manufactured by Rexnord—a leading global supplier of industrial motion control products—the 815-21T is built for long service life in food, beverage, automotive, and packaging applications.
Key Features
- 21 teeth, #815 pitch: Direct fit for standard #815 tabletop and modular conveyor chains
- Double groove: Dual-track design for enhanced load distribution and reduced wear
- 1″ bore: Standard bore for direct mounting on 1″ diameter shafts without adapters
- Cast iron construction: Durable, corrosion-resistant material rated for industrial environments
- A-hub design: Smooth, unbored hub suitable for field machining or direct fit applications
- New, open-box condition: Fully functional with original specifications
Technical Specifications
- Manufacturer: Rexnord (Rex brand)
- Model/Series: 815-21T
- Part Number: 0096035003A
- Chain Size: #815 tabletop
- Number of Teeth: 21
- Bore Diameter: 1″ (nominal)
- Pitch Diameter: 5.089″
- Outside Diameter: 5.12″
- Material: Cast iron
- Hub Type: A-hub (no core bore)
- Groove Configuration: Double (grooved)
- Weight: Approximately 2.0 lbs
Typical Applications
The Rex 815-21T is commonly used in:
- Modular conveyor systems and flat-top chain drives
- Tabletop transfer conveyors in food, beverage, and pharmaceutical packaging
- Light-duty machinery and assembly line equipment
- Replacement sprockets in existing #815 chain systems
Compatibility & Replacements
Compatible With
- #815 tabletop and modular conveyor chains
- Standard 1″ bore shafts and shaft sleeves
- Rexnord tabletop conveyor drive systems (815, 820, 831, and related series)
- Systems designed for 1-1/2″ pitch chain applications
Replaces / Drop-In Replacement For
- Rexnord 815-21T (alternative configurations)
- Rex 401-160 (cross-reference model number)
- Compatible with other double-groove 815 series sprockets of identical bore and tooth count
Works With
- Rexnord modular conveyor systems
- Standard #815 roller chain and tabletop chain drives
- Mechanical power transmission assemblies with 1-1/2″ pitch spacing
- Verify bore size and shaft configuration with your system integrator before ordering.
