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Graco 120340 Bearing Rod

The Graco 120340 Bearing Rod ensures smooth pump operation and precise alignment, reducing friction and extending sprayer life.

  • Part Number: 120340
  • Material: Hardened Stainless Steel
  • Pressure Rating: Up to 3000 psi
  • Function: Aligns pump rod and supports seals
  • Fits: Multiple Graco Airless Sprayer Models

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Graco 120340 Bearing Rod – Precision Alignment & Pump Efficiency

Compatible Machines

  • Graco Ultra Max II 490 / 495 / 595
  • Graco 390 PC Airless Sprayer
  • Graco LineLazer 3400
  • Graco GMAX II 5900
  • Graco Ultra 395

Product Description

The Graco 120340 Bearing Rod is a critical wear component designed for precise alignment and reduced friction in high-performance Graco airless sprayers. Built from hardened stainless steel, it enhances pump efficiency, extends seal life, and ensures consistent fluid delivery even under high-pressure conditions.

Key Features

  • Precision-ground stainless steel construction for long service life
  • High alignment accuracy to reduce wear and improve pump performance
  • Corrosion-resistant and polished for smoother operation
  • Supports high-pressure systems up to 3000 psi
  • OEM replacement for multiple Graco sprayer models

Technical Specifications

Specification Details
Part Number 120340
Material Hardened Stainless Steel
Pressure Rating Up to 3000 psi
Function Aligns pump rod and supports seal assembly
Surface Finish Electropolished for reduced friction
Manufacturer Graco Inc., USA

Applications

The Graco 120340 Bearing Rod plays a key role in maintaining alignment within the fluid section of Graco airless sprayers, minimizing lateral displacement and enhancing pump performance. Ideal for industrial, commercial, and professional painting applications.

Frequently Asked Questions

The bearing rod aligns moving parts within the pump to ensure efficient fluid movement, reduce wear, and extend the lifespan of seals and packing.

It fits a variety of Graco airless sprayers, including Ultra, Ultra Max II, GMAX, and LineLazer models.

Replacement is typically needed during major pump rebuilds or when wear or misalignment is observed. Regular maintenance helps extend its service life.

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