Graco 116908 5.50 in Pulley

Graco 116908 Pulley delivers efficient power transfer and smooth performance for professional airless sprayers, ensuring consistent pressure and reliable operation.

Durable hardened steel construction
5.50-inch precision-machined diameter
Corrosion-resistant coated surface
Fits Graco 390, 490, 595, 695 & Mark V HD models

Retail Price: $126

You save: $10.46 (8.30%)

Our Price: $115.54

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Description

Graco 116908 Pulley Compatibility & Technical Information

Compatible Machines

Graco Ultra Max II 490
Graco Ultra Max II 595
Graco Ultra Max II 695
Graco 390 Airless Sprayer
Graco Mark V HD

Product Overview

Graco 116908 Pulley is a precision-engineered component designed to deliver consistent power transfer in airless paint sprayer systems. With a 5.50-inch diameter, it ensures accurate belt alignment and smooth operation under heavy-duty industrial use. Its corrosion-resistant coating and hardened steel body offer durability and long service life even in demanding environments.

Key Features

5.50-inch diameter for stable drive performance
Precision-machined grooves for accurate belt tracking
Corrosion-resistant finish for harsh environments
Compatible with multiple Graco airless sprayer models

Technical Details

Specification	Details
Part Number	116908
Material	Hardened Steel / 7075-T6 Aluminum Alloy
Diameter	5.50 inches
Operating Speed	Up to 3,600 RPM
Load Capacity	Dynamic 2,500 N / Static 5,000 N
Finish	Ceramic-Nickel Anti-Corrosion Coating

Performance Benefits

Enhances belt-driven system reliability
Minimizes vibration and heat buildup
Improves torque transmission efficiency
Extends bearing and pump lifespan

Installation Notes

Ensure the Graco 116908 Pulley is properly aligned with the drive belt before tightening. Use the specified torque values from Graco’s technical manual and inspect the pulley groove for debris or wear during installation. Periodic lubrication of the bearing assembly can extend operational lifespan and maintain smooth performance.

Frequently Asked Questions

The pulley transfers motor power to the sprayer pump via the drive belt, ensuring consistent flow and pressure during spraying.

It fits most mid-size Graco airless sprayers, including Ultra Max II and Mark series models. Always verify compatibility with your specific pump model.

Inspect periodically for signs of wear, check belt tension, and clean the grooves regularly. Lubricate bearings per manufacturer’s schedule for optimal longevity.