Product Overview

In mining and heavy industrial environments, conveyor rollers face constant exposure to abrasive materials, moisture, chemicals, and dust. These conditions cause steel rollers to corrode, seize, and fail — leading to unplanned downtime, belt damage, and high maintenance costs.

The ZOOMRY corrosion-resistant HDPE roller is designed to solve this problem. Made from high-density polyethylene with enhanced anti-corrosion properties, it eliminates rust and pitting. Advanced sealing technology prevents ingress of dust and moisture, ensuring reliable operation in the most challenging underground and surface mining applications.

Designed for Harsh Mining Environments

• Coal mines: Resists acidic water and abrasive coal dust
• Chemical plants: Withstands exposure to corrosive chemicals and fumes
• Port terminals: Resists saltwater corrosion and high humidity
• Mineral processing: Handles abrasive ore and slurry without surface wear

Key Features

• 100% corrosion-resistant body: HDPE material does not rust, pit, or degrade in wet or chemically aggressive environments
• Premium sealed bearings: 2RS contact seals prevent dust and moisture ingress, extending bearing life
• Self-lubricating surface: Low coefficient of friction reduces belt wear and drive power requirements
• Lightweight construction: Up to 40% lighter than steel rollers — easier to install and reduces conveyor structure load
• Abrasion resistance: UHMW-grade HDPE surface withstands high-impact abrasive materials
• Multiple shaft and bearing options: Customizable to match your conveyor specifications

Specifications

SERIES	DIAMETER (mm)	SHELL WALL (mm)	SHAFT DIAMETER (mm)	BEARING PART NO.	DYNAMIC LOAD RATING (N)
20	127	3.5 + 6.5	20	6204 – 2RS	12 700
25	127	3.5 + 6.5	25	6205 – 2RS	14 000
	152	4 + 6.5
	159	4 + 10
27	127	3.5 + 6.5	25	6305 – 2RS	22 500
	133	3.5 + 9.5
	152	4 + 6.5
	159	4 + 10
32	127	3.5 + 6.5	30	6306 – 2RS	28 100
	133	3.5 + 9.5
	152	4 + 6.5
	159	4 + 10
	178	4 + 6.5
35	152	6 + 6.5	35	6307 – 2RS	33 200
	159	6 + 10
	178	6 + 6.5
40	152	6 + 6.5	40	6308 – 2RS	41 000
	159	6 + 10
	178	6 + 6.5
	193	6 + 7.5
	219	6 + 13
45	178	6 + 6.5	45	6309 – 2RS	52 700
	193	6 + 7.5
50	193	6 + 7.5	50	6310 – 2RS	61 800

Why Choose ZOOMRY for Corrosive Environments?

In mining and corrosive environments, roller failure is one of the leading causes of conveyor downtime. ZOOMRY corrosion-resistant HDPE rollers deliver:

• Proven longevity: 40,000+ hours in coal and mineral processing applications
• No rust, no pitting: HDPE body eliminates corrosion-related bearing seizures
• Reduced belt damage: Self-lubricating surface minimizes belt cover wear
• Lower life-cycle cost: Fewer replacements and less maintenance than steel rollers

Applications & Industries

• Underground coal mines: Withstands acidic groundwater and coal dust
• Open-pit mining: Resists extreme temperature variations and abrasive ore
• Chemical plants: Handles fertilizer, salt, and corrosive bulk materials
• Port terminals: Resists saltwater corrosion in ship-loading conveyors
• Mineral processing facilities: Handles slurry and abrasive ores

Size Availability

• 102 mm diameter – 25 mm series shaft
• 114 mm diameter – 25 mm series shaft
• 127 mm diameter – 25 mm series shaft
• 133 mm diameter – 25 mm series shaft
• 152 mm diameter – 25 mm, 30 mm and 40 mm series shafts
• 159 mm diameter – 25 mm, 30 mm and 40 mm series shafts
• 178 mm diameter – 40 mm series shaft

Custom sizes available upon request.

Bearing Options

• Standard: HRB deep groove ball bearings with 2RS seals
• Premium: SKF, FAG, or NSK bearings available upon request
• Sealing upgrade: Triple-labyrinth seals available for extreme dust applications

Frequently Asked Questions

What makes HDPE rollers corrosion-resistant?

Unlike steel rollers that rust when exposed to moisture, chemicals, or saltwater, HDPE is inherently inert and non-corrosive. The material does not oxidize, pit, or degrade in wet or chemically aggressive environments.

Are these rollers suitable for underground coal mines?

Yes. ZOOMRY HDPE rollers are widely used in underground coal mines where acidic groundwater, coal dust, and high humidity quickly degrade steel rollers. The sealed bearing design prevents dust ingress and extends service life.

How does the sealing system work?

Each roller is equipped with 2RS contact seals on both sides of the bearing housing, creating a dust-tight and water-resistant barrier. For extreme dust applications, optional triple-labyrinth seals provide additional protection.

What is the expected service life in corrosive environments?

Under normal operating conditions in corrosive environments, ZOOMRY HDPE rollers typically achieve 40,000+ hours of service life — 2 to 3 times longer than standard steel rollers in the same application.

Can I get these rollers with SKF bearings?

Yes. ZOOMRY offers SKF, FAG, NSK, and other premium bearing brands upon request. Please specify your preference when ordering.

Where are ZOOMRY HDPE rollers manufactured?

ZOOMRY has been manufacturing bulk material handling equipment and components since 2002, operating from a 40,000m² ISO 9001 and ISO 14001 certified facility in China. Our rollers are exported to Europe, the Americas, Southeast Asia, and South Africa.

About ZOOMRY

Since 2002, ZOOMRY has supplied bulk material handling solutions across mining, ports, steel mills, and cement plants worldwide. With a 40,000m² ISO 9001 and ISO 14001 certified production facility and a team of over 500 professionals, we design and manufacture conveyor components that perform reliably in demanding applications. Our corrosion-resistant HDPE rollers are used by customers across Europe, the Americas, Southeast Asia, and South Africa.