Overview
The Martin P328M50-1210 is a high-torque synchronous sprocket designed for precision timing belt drive systems. This unit features a 1210 taper-lock bushing, enabling tool-free installation on multiple shaft diameters without requiring additional keys or complex machining. Martin’s robust design and quality construction make this sprocket suitable for demanding industrial and OEM applications requiring repeatable power transmission and minimal maintenance.
Key Features
- 1210 Taper-Lock Bushing — enables quick, secure installation on shaft diameters ranging from 1/2″ to 1-1/4″ without tooling
- High-Torque Profile — engineered for superior load capacity and extended service life in continuous-duty applications
- Synchronous Design — provides positive drive engagement with HTD or similar timing belts, eliminating slip and belt wear
- Metric Pitch — compatible with standard 8 mm HTD belt pitch timing systems
- New, In-Box Condition — surplus stock, fully functional and ready for immediate deployment
Technical Specifications
- Bushing Type: 1210 Taper-Lock
- Bore Range: 1/2″ to 1-1/4″ (accommodates standard keyseat and setscrew)
- Belt Pitch: 8 mm (HTD Metric)
- Belt Width: 50 mm (1.97 inches)
- Outside Diameter: 2.954 inches (approximately)
- Series: P328M — High-Torque Synchronous Sprocket
- Weight: Approximately 2.2 lbs
Typical Applications
The Martin P328M50-1210 is commonly used in:
- Conveyor drive systems
- Machine tool positioning and spindle drives
- Packaging machinery and automation equipment
- HVAC and industrial fan drives
- Textile and printing machinery
- Any industrial timing belt application requiring torque capacity and synchronous engagement
Compatibility & Replacements
Compatible With
- HTD 8 mm metric timing belts (50 mm width)
- Martin synchronous drive systems and timing belt conveyors
- OEM equipment using standard 8 mm HTD pitch synchronous sprockets
- Shaft diameters: 1/2″ to 1-1/4″ (standard metric conversions available)
Replaces / Drop-In Replacement For
While the P328M50-1210 is a specific Martin model, verify compatibility with your existing drive system before ordering. Similar high-torque Martin synchronous sprockets with 1210 bushings include the P308M50-1210 and other P3xx series models. Confirm your exact model and specifications with your system integrator before ordering.
Works With
- HTD 8 mm synchronous timing belts
- Martin taper-lock bushing standard keyway and setscrew hardware
- Industrial motor and gearbox shafts (1/2″ to 1-1/4″ bore)
- Retrofit and replacement applications for existing Martin and OEM drive systems














