Overview
The Dayco 770XH200 is a precision synchronous timing belt engineered for industrial machinery and power transmission systems. Part of Dayco’s Synchro-Cog series, this belt combines durable construction with consistent slip-proof performance across a wide operating temperature range. The 770XH200 is designed for applications requiring exact speed ratios, minimal backlash, and reliable synchronization over extended service life.
Key Features
- 88 teeth for high-precision synchronous drive applications
- XH section profile delivers compact design with reduced weight
- Fiberglass-reinforced cord construction ensures dimensional stability and load capacity
- Neoprene rubber compound resists oil, heat, and wear
- Operates reliably from -30°C to +100°C for indoor and controlled industrial environments
- ISO 5296 and ISO 5294 certified for international quality standards
Technical Specifications
- Part Number: 770XH200
- Number of Teeth: 88
- Belt Section: XH (Extra-High torque)
- Pitch: 22.225 mm (7/8 inch)
- Belt Length: 1955.8 mm (77 inches)
- Belt Width: 50.8 mm (2 inches)
- Cord Material: Fiberglass
- Elastomer: Neoprene rubber
- Operating Temperature Range: -30°C to +100°C (-22°F to +212°F)
- Standards: ISO 5296, ISO 5294
- Series: Synchro-Cog ZR
Typical Applications
The Dayco 770XH200 is suited for industrial synchronous drive systems including packaging machinery, printing equipment, CNC machine tools, conveyor systems, and precision automation. The XH profile and fiberglass reinforcement make it ideal for high-torque applications where slip cannot be tolerated. Common uses include transmission systems in manufacturing, material handling, and dynamic positioning equipment that demands predictable power transfer.
Compatibility & Replacements
Compatible With
- XH section timing belt pulleys (22.225 mm pitch)
- Industrial synchronous drive systems rated for 88-tooth belt configurations
- Machinery designed for ISO 5296-compatible timing belts
- High-torque transmission systems with compact envelope requirements
Replaces / Drop-In Replacement For
The Dayco 770XH200 is a standard part number recognized across multiple industrial belt manufacturers. Verify pulley tooth count (88 teeth), pitch (22.225 mm), section (XH), and width (50.8 mm) before substitution. Contact your system integrator or Dayco technical support for confirmation of direct replacement eligibility in your specific application.
Works With
- Standard XH-section timing belt pulleys
- ISO 5296 compatible drive assemblies
- Industrial automation platforms using synchronous belt transmission
- Machinery requiring precision speed ratios and zero-slip operation
