RK M420 Standard Roller Chain, 72 Links (M420-72)

The RK M420 Standard Roller Chain, Part M420-72, is designed for dependable power transmission in a wide range of industrial, agricultural, and equipment applications. Built from heat-treated medium carbon alloy steel, this chain provides a strong, durable solution for systems requiring consistent performance and reliable engagement with compatible sprockets. The 72-link configuration supports straightforward replacement and installation when matching an existing chain assembly.
Feature: Heat-treated construction helps improve strength and durability for demanding operating conditions. All components are heat-treated and shot-peened to enhance resistance to wear and repeated loading. Four-point pin riveting helps secure the chain assembly, while solid rollers provide dependable contact and smooth engagement during operation. Each RK M420 chain includes a clip connecting link for convenient installation and maintenance. The included connecting link should be installed according to the manufacturer’s instructions and checked regularly as part of routine chain maintenance.
With its combination of treated alloy steel components, reinforced pin construction, and solid rollers, the RK M420-72 is a practical replacement chain for compatible drive systems. Verify sprocket compatibility, chain pitch, operating conditions, and required link count before installation. Proper lubrication, alignment, tension, and periodic inspection can help maximize service life and maintain reliable power transmission. Choose the RK M420 Standard Chain when you need a durable 72-link chain from RK for equipment maintenance or replacement applications.

Features:

• Heat-treated medium carbon alloy steel construction for improved strength and durability

• All components are heat-treated and shot-peened for enhanced resistance to wear and repeated loading

• Four-point pin riveting helps secure the chain assembly

• Solid rollers provide dependable sprocket engagement and smooth operation

• Includes a clip connecting link for convenient installation

• 72-link configuration, Part M420-72

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