Custom Designed & Made For Your Industry


PPI pulleys are used commonly in vertical bucket elevators at grain handling facilities. Conveyors are starting to also be used more to move grain as they are gentle on crops and add value to Ethanol and corn sweetener production facilities.

Structure Guards

PPI Structure Guards help protect your belt and structure.

Side Guide Roller

PPI’s Side Guide Roller provides protection to conveyor framework as well as providing training action to the conveyor belt.

Basket Roll Guard

The Basket Roll Guard from PPI is designed to protect personnel from the hazard of being drawn between a spinning idler and a moving belt.

Grain Idlers

Designed to preserve the lightweight belting used in the grain industry.

Retro Grain Idler

PPI offers retro roll expertise to the grain industry.

Grain Herringbone Wing® Pulley

Combines improved wear and quieter operation.

Return Idlers

Used to support the belt on the return side.

Equal Troughing Idlers

Equal Troughing Idlers are designed to support the belt and transport material on the carrying side of the belt.

Stub Idlers

Designed for increased sidewall conveyor belt life.

Belt Saver Bracket

Protecting the belt is vital, PPI's Beltsaver Bracket outward bend design allows the belt to track off of the centerline further than traditional drop brackets.

EZ Mount Pulley

A unique pulley and shaft system allowing for fast and economical bearing and shaft replacement.

Herringbone Wing® Pulley

Designed for applications where conventional wings suffer from excessive material lodging and wing folding.

Mine Duty Wing Pulley

Extra heavy duty construction to reduce the possibility of metal fatigue.

Pro Duty® Pulley

Our Pro Duty® features a profiled end disc similar to those found in high tension Turbine pulleys.

Smart Roll

Conveyor belt monitor that is designed with a proximity sensor.

True Impact System

Solves the problem of sealing skirt boards and the impact upon the belt.

Vulcanized Lagging

Improve traction, abrasive resistance to extend pulley and belt life.


All the holding power you will ever need for conveyor pulleys.

Precision Light Duty (PLD)

Fully protected adjusting screw; two-piece saddle design for 2-bolt pillow blocks.

Conveyor Cover

Protecting your belt as well as your bulk materials is important in the conveying industry, that is why we offer a solution in both full and three-quarter coverage to offer protection.

Unequal Troughing Idlers

A low profile design great for sorting and separating of material.

Single Disc Elevator Pulley

One-piece, all steel single disc pulleys available for space constraints.

Keyless Locking Assemblies

A single taper design better equipped to handle the bending movement present in pulley applications.

Heavy Duty Drum Pulley

A drum pulley built to last with features that magnify strength, balance and concentricity.

Return Rubber Grooved

The next step from a traditional rubber disc roll.

Mine Duty Drum Pulley

The next step from a heavy duty drum using heavier rims and end discs for longer service life.

Reversible Self-Aligner

Self-aligning for reversing belt applications.

Spiral and Spiral Plus Wing Pulley

Continuous belt contact that eliminates excessive noise and vibration.


Used to help the belt stay aligned with the conveyor structure.

SCM Bearings

Popular and economical option for many conveyor applications.


Designed to be a field replaceable lagging ideal for pulleys in locations where removal and replacement is difficult.

Return Roll Guards

Provides a barricade at the pinch point created by the belt passing over a return roll.

Speed Switch

Innovative magnetic coupling system used for conveyor monitoring.

Precision Medium Duty (PMD)

One-piece saddle design adds extra strength. Use with ball, spherical and sleeve bearings.

Impact Troughing Idlers

Impact Troughing Idlers are built with heavy duty frames to withstand shock.


Made of very strong steel that machines to a smooth finish.

Poly Idler Roll Coverings

For applications that require specific materials to help shed material or for abrasive applications.

Beater Bar Return

Reduce material carry-back from the conveyor belt.

Spiral Drum Pulley

Formed by a pair of vertical steel bars around a Heavy Duty Drum.

Medium Duty Slider

Ultra-high molecular-weight (UHMW) slider rails for skirt board sealing.

Pro Trainer™

Designed to actively train a conveyor belt while operating on the clean side of the belt.

Beater Bar Pulley

Effective solution when aggressive belt cleaning is required.

Type E Bearings

Bearings for challenging mounting applications.

EZ Lag™

Field replaceable lagging ideal for pulleys in locations where removal and replacement is difficult.

Watch dog

Designed to monitor a pulse stream received from a speed monitoring device.

Channel Inset Idlers

Channel Inset Idlers are used to fit low profiles or to clear tight clearance areas.

Heavy Duty Idler Rolls

Built like standard PPI idlers but with a thicker tube.

Boot Herringbone Wing® Pulley

Improved wear, quiet operation and gentle on grain along with a sensor ring for use with proximity or heat sensors.

Dead End Self-Aligner

Designed to allow minimal belt wander with the capability to operate on reversing conveyors.

Static Shaft Pulley (SSP®)

SSP® the problem-solving solution for pulley applications prone to frequent bearing failure.

Quarry Max Duty Wing

Made for severe conditions where wing folding and abrasion issues are a concern.

FAS Lag®

An easy to install wing pulley lagging system providing additional traction on the belt and protection for the contact bars.

Pipe Conveyor Panels

Handling dust control issues in the material handling industry.

Precision Top Angle (PTA)

Top angle protects the adjusting screw; fits round bottom housing bearings.

Retro Rolls®

PPI Retro rolls allow you to use our proven idler rolls in other manufacturer's frames.

Guide Rollers

Provides protection to conveyor framework as well as training action to the belt.

Heavy Duty Wing Pulley

Individual, all steel wings and gussets expel excessive build up of material and provide cleaning action.

VEC Lagging

Eliminates seams where failures often start.

Precision Protected Angle (PPA)

Top angle protects the adjusting screw; fits channel bottom housing bearings.

Lagged Idler Rolls

Extends the life of a roll by providing an additional reliable surface.

Inverted V-Return

Used to track the belt on the return side of the conveyor.

Return Roll Cage

Provides protection to property and personnel from suspended idler rolls.

Precision Slide Tube (PST)

Slide tube design protects the screw from the environment. Side mount installation.


A two-part program simplifying the take-up system.

Spiral Urethane Roll

Allows for cleaning action without beating the belt.

Precision Wide Slot Side Mount (PWS)

Compact and economical frame design for tight, side mount installations.

Transition Equal Troughers

Offering a transition from a flat belt to a troughed belt.

Precision Wide Slot Center (PCP)

Bolted cap rail allows for quick and easy bearing installation.

Pro Tracker

The PPI Pro Tracker is a great solution for your belt tracking issues.

Wire Rope Idlers

Designed for hard to access applications.

Spinweld Nylon Rolls

Rolls with several key benefits for many applications.

Hydraulic Cylinder (HYD)

Standard Series 2HD cylinder with lip seals and SAE ports for PHYD frames.

Scale Quality Idlers

For weighing applications, each has a TIR within 0.015".

Catenary Idlers

Shaft ends allowing our idler rolls to accept a variety of mounting hardware.

Flat Carrier Idlers

For applications including picking, sorting, feeders and package handling.

Retractable Frame Idler

For impact zones where frequent roll change-out is required.

Urethane Sleeve Roll

Providing an abrasion resistant surface for the return path of the belt.

Removable End Bracket

Allowing better access to idler rolls.


PPI’s V-Return Idlers are built with a 10° two roll trough configuration that allows gravity to naturally keep the belt centered.

Hourglass Guide Roll

Hourglass guide roll with exceptional wear

Lagging and Knurling Options

Greatly reduces wear caused by abrasive materials and prevents buildup of sticky material on pulley services.


Legacy idlers produced by PPI for Marco frames.

Spinweld HDPE Rolls

High Density Polyethylene (HDPE) rolls offering significant weight reductions, compared to their steel equivalents.

Cantilever Wing Idler

Light weight design ideal for portable equipment.