Lower Sheave Rollers

A cotton reel shaped roller which fleets on a horizontal plan in conjunction with the movement of the main sheaves.

NPR01596-00 – To suit Bucyrus 1370 Dragline

National Plastics & Rubber has a growing range of underground mining and surface mining products suited to dragline excavators and mining shovels. View our range of mining dragline components here.

Don’t know what dragline products you need? Get a dragline audit: Read more.

Hoist Rope Rollers (BE)

NPR offers an upgrade to the traditional wear pad assembly or standard roller assemblies.

We supply a Bearingless Roller assembly which helps in reducing operational costs and downtime. These assemblies are relatively easy to install.

Or if desired we have the capabilities to supply parts to suit the current assemblies – contact us to discuss.

National Plastics & Rubber has a growing range of underground mining and surface mining products suited to dragline excavators and mining shovels. View our range of mining dragline parts here.

Don’t know what dragline components you need? Get a dragline audit: Read more.

Crowd Box

Crowd box roller system

Consists of:

  • Bearingless rollers
  • Wear pads
  • Shaft

Upgrade – P&H

This crowd box roller system upgrade is fitted to most new machines through P&H – supplied by NPR. It offers greater rope control and the system is designed to allow roller shafts to swing out to make the replacing of worn rollers less labour intensive. We can measure and supply a complete roller system with all spare parts to suit.

For more information Contact NPR.

House Exit

House exit roller system

Consists of:

  • Bearingless rollers
  • Wear pads
  • House exit curtain

Upgrade – P&H

This hose exit roller system upgrade is fitted to most new machines through P&H – supplied by NPR. It offers greater rope control and the system is designed to allow roller shafts to swing out to make the replacing of worn rollers less labour intensive. We can measure and supply a complete roller system with all spare parts to suit.

For more information Contact NPR.

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