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Graco 126073 Retaining E-Ring 1/2 Dia

The Graco 126073 Retaining E-Ring provides secure axial retention on 1/2" shafts, preventing lateral movement and ensuring reliable performance in industrial and sprayer applications.

  • Precision-fit for 12 mm (1/2") shafts
  • Corrosion-resistant stainless steel construction
  • Snap-in installation without disassembly
  • High-tensile stainless steel alloy for durability

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Graco 126073 Retaining E-Ring (1/2") Overview

Compatible Machines

  • Graco Airless Sprayers (various models compatible with 1/2" shafts)
  • Industrial fluid power assemblies
  • Reciprocating piston pumps and valve stem assemblies

Key Features

  • Precision-fit design for 1/2" shafts
  • Corrosion-resistant stainless steel construction
  • Snap-in installation without disassembly of shafts
  • Optimized split-ring geometry for secure axial locking
  • High-tensile stainless steel alloy (AISI 302/304)
  • Maintains structural integrity under high-pressure and vibration

Technical Specifications

Specification Detail
Part Number 126073
Diameter 1/2 inch (12 mm)
Material Stainless steel (AISI 302/304)
Installation Snap-in placement without disassembling shafts
Radial Load Capacity Exceeds 1,200 psi
Spring-back Force 15–25 N

Benefits

The Graco 126073 E-Ring provides secure axial retention, reduces lateral movement, enhances pump and valve reliability, and prolongs equipment life in high-pressure and industrial applications.

Installation & Maintenance Tips

  • Use calibrated retention pliers for uniform expansion
  • Inspect periodically for deformation or wear
  • Deburr edges gently if needed
  • Ultrasonic cleaning recommended to remove particulates

Frequently Asked Questions

It provides secure axial retention on 1/2" shafts, preventing lateral movement and maintaining structural integrity in airless sprayer systems and industrial assemblies.

Yes, it is made from high-tensile stainless steel (AISI 302/304) with a corrosion-resistant finish, suitable for chemical and washdown environments.

The E-Ring uses snap-in installation on shafts without needing to disassemble the components, reducing downtime and simplifying maintenance.

Inspect every 500 hours using a borescope, gently deburr edges if needed, and clean with ultrasonic methods to ensure proper seating and performance.

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