Dodge P28-8M-20-H Timing Belt Pulley, 28-Teeth 8mm Pitch 20mm Belt

Dodge P28-8M-20-H Timing Belt Pulley is a precision synchronous drive pulley engineered for positive, slip-free power transmission using 8 mm pitch timing belts, providing accurate motion control, high efficiency, and reliable performance in industrial automation and power transmission systems. Manufacturer: Dodge (ABB / Dodge Industrial) Country of manufacture: United States Model: P28-8M-20-H Type: Timing belt pulley (synchronous) Tooth profile: 8M (HTD – High Torque Drive) Number of teeth: 28 Pitch: 8 mm Belt width capacity: 20 mm Pitch diameter: 2.807 in (71.3 mm) Outside diameter: Approx. 2.95–3.05 in (75–77 mm) Bore type: Finished bore or taper-ready hub (H-style hub configuration) Mounting: Shaft-mounted with keyway and set screws (typical H hub design) Keyway: Standard ANSI keyway (size depends on actual bore) Material: Steel or ductile iron (precision machined) Flange: Single or double flange depending on configuration (image shows flanged design for belt retention) Surface finish: Machined tooth profile with protective coating (painted or oxide) Balance: Suitable for moderate to high-speed operation when properly installed Maximum RPM: Typically up to 5,000–7,000 RPM (application dependent) Efficiency: Typically greater than 98% in synchronous belt systems Load transmission: Positive engagement (no slip under correct tension) Temperature range: -20 °C to +120 °C Alignment requirement: Requires accurate shaft alignment for optimal belt life Application areas: Industrial drives, conveyors, packaging machinery, robotics, automation equipment Compatibility: Designed for HTD 8M timing belts, 20 mm width Key feature: High torque transmission with precise angular positioning and reduced backlash Maintenance: Low maintenance, periodic inspection for wear and alignment recommended