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conveyor wear parts · UHMWPE IDLER ROLLER COVERS (SLIP-ON)

UHMWPE Idler Roller Covers (Slip-On)

Sticky materials (clay, ore concentrate, wet aggregate, sugar cane bagasse) build up on standard steel idler shells, throwing the belt out of alignment and wearing through the belt cover. UHMWPE idler covers slip over the existing steel shell — the slick UHMWPE surface sheds material instead of building it up. Common bore diameters from 89 mm up to 159 mm; wall thickness 10 / 12 / 15 mm; any length from 200 mm to 1600 mm to match your idler face length.

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UHMWPE Idler Roller Covers (Slip-On)

Specifications & MOQ

All SKUs are made-to-order from our own UHMWPE / HDPE / nylon production line. Send your DWG / DXF / PDF / STEP — we quote within 24 hours, MOQ from 1 piece.

ProductMOQMaterialImage
UHMWPE Idler Roller Cover (slip-on, anti-build-up)20 pcsUHMWPE GUR1020 (virgin), self-lubricatingUHMWPE Idler Roller Cover (slip-on, anti-build-up)

Technical Specifications

MaterialUHMWPE GUR1020 (virgin), self-lubricating, anti-build-up
Inner Diameter Range89 / 108 / 127 / 133 / 140 / 159 mm (standard idler shells)
Wall Thickness Options10 / 12 / 15 mm
Length200 – 1600 mm to drawing (typical 380 / 480 / 580 / 750 / 1000 mm)
ColorGreen (UV) / Black
SurfaceSmooth (default) or spiral grooved (for water shedding)
Lifespan vs Bare Steel3× to 5× longer in sticky-material applications

Application Cases

Mining Transfer Tower Wear Liner Retrofit

How a copper concentrator replaced 240 m² of steel chute liner with UHMWPE in one shutdown.

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Limestone Quarry Primary Feed Impact Bar Replacement

Replacing 18 m of steel impact bars with UHMWPE-on-rubber bars at a limestone quarry primary feed conveyor.

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Frequently Asked Questions

Do I need to replace my idler bearings?

No — the UHMWPE cover slips over the existing steel idler shell. Bearings stay as-is. Most installations replace the cover during a routine bearing service.

Will the cover stay on or do I need to glue it?

Standard fit is a slight interference fit (~0.3 mm) and snap-on retaining grooves at each end. No adhesive needed — covers stay on for the entire service life.

Request a Quotation

Tell us about your conveyor wear parts project. Our engineering team responds within 12 hours with technical specs and FOB pricing.

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