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Graco 18B427 Coupling, Spider Cushion

Elastomer spider insert designed to dampen vibration and maintain smooth torque transfer within compatible Graco coupling assemblies.

  • Part Number: 18B427
  • Absorbs shock and reduces drivetrain vibration
  • Fits within motor-to-transmission coupling systems
  • Compatible with select Graco GrindLazer equipment
  • Helps extend coupling and drivetrain service life

List Price: $30.7
You save: $1.69 (5.50%)
Sale Price: $29.01
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Vibration Dampening Spider Coupling Element Overview

Compatible Machines

Machine / Equipment Compatibility Information
Graco GrindLazer Systems Used in coupling assemblies requiring vibration dampening components
Graco Surface Preparation Equipment Compatible with drivetrain coupling and shock absorption systems
Graco Drive System Assemblies Supports OEM spider coupling replacement applications
Graco GrindLazer HP DC89 G Compatible with transmission coupling spider insert systems
Graco GrindLazer HP DC1013 G Used in flexible motor-to-transmission coupling interfaces
Industrial Line Removal Machines Designed for systems requiring COUPLING, SPIDER CUSHION components

What is the Graco 18B427 Coupling, Spider Cushion?

The Graco 18B427 Coupling, Spider Cushion is a genuine OEM elastomer coupling insert designed to absorb vibration and reduce shock between connected drive components in compatible Graco equipment. It serves as a flexible interface within the coupling assembly, helping maintain smooth and stable mechanical operation.

Engineered to Graco factory specifications, this spider cushion improves drivetrain longevity by minimizing wear, dampening operational vibration, and ensuring consistent torque transfer in demanding surface preparation environments.

Part Number: 18B427
Description: COUPLING, SPIDER CUSHION
Brand: Graco
Category: Coupling / Vibration Dampening Components

Key Features

  • OEM Graco spider coupling insert
  • Absorbs vibration and reduces mechanical shock
  • Supports smooth torque transfer in drive systems
  • Compatible with select GrindLazer equipment
  • Designed for extended drivetrain service life

Frequently Asked Questions

It absorbs vibration and shock between drive components, ensuring smoother operation and reduced wear.

It is installed inside coupling assemblies between motor and transmission components.

It is commonly used in Graco GrindLazer and related surface preparation machines with flexible coupling systems.

It should be replaced when signs of wear, cracking, or vibration increase are observed during operation.

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