Overview
The Martin 40SK96 is a Type B single-strand stock bore welded roller chain sprocket built for demanding industrial machinery. Featuring 96 teeth and 15.573″ outer diameter, this sprocket is designed to work with #40 roller chain at 1/2″ pitch. The steel construction and welded design ensure durability and consistent engagement with standard chain drives.
Key Features
- Type B hub design with stock bore mounting for direct shaft installation
- 96 teeth optimized for low-speed, high-torque applications
- Welded construction provides robust load-carrying capability
- 1/2″ pitch standard (#40 chain) for compatibility with common drive systems
- Steel material meets ANSI sprocket standards for performance and longevity
- QD® (Quick Detachable) SK bushing mounting option available
Technical Specifications
- Part Number: 40SK96
- Chain Size: #40 (0.500″ pitch)
- Number of Teeth: 96
- Outer Diameter: 15.573″
- Pitch Diameter: 15.282″
- Bore Diameter: 2-5/8″
- Hub Diameter: 4.000″
- Length Through Bore: 1-1/4″
- Material: Steel
- Hub Type: Type B, single-strand stock bore
- Bushing: QD® SK bushing compatible
Typical Applications
The Martin 40SK96 excels in low-speed, high-torque chain drive systems where precision power transmission is critical. Common applications include industrial conveyor systems, heavy machinery speed reduction drives, lumber processing equipment, and agricultural machinery. The large tooth count makes it ideal for driven-sprocket roles where speed reduction and increased load capacity are priorities.
Compatibility & Replacements
Compatible With
- #40 roller chain (ANSI standard, 1/2″ pitch)
- QD® SK bushing taper-bore systems
- Industrial chain drive systems rated for 96-tooth sprockets
- Machinery designed for 0.500″ pitch chain drives
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The Martin 40SK96 is a stock item; check part drawings and bore requirements to confirm fit with existing machinery.
Works With
- #40 ANSI roller chain drives
- Martin QD® Quick Detachable bushing assemblies
- Standard keyseat and setscrew configurations
- Machinery designed for Type B hub sprockets with 2-5/8″ bore capacity





