Rollers are key components of belt conveyors. Their quality is directly related to the stability and safety of conveyor operation. For harsh environments like mines, coal handling, and chemical industries, ZOOMRY has developed high‑sealing, long‑life, low‑resistance conveyor rollers with proven application results and a service life exceeding 50,000 hours.

Service Life	> 50,000 hours
Sealing Grade	High‑sealing (IP66 optional)
Resistance	Low rotation resistance (≤2N) – saves energy
Applications	Mining, coal, chemical, cement, ports

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Conveyor rollers are key components of belt conveyors — their quality directly affects the stability and safety of the entire conveyor system. For harsh operating environments such as mining, coal handling, and chemical processing, ZOOMRY has developed high‑sealing, long‑life, low‑resistance rollers that have achieved excellent field results with a service life exceeding 50,000 hours. Our comprehensive range includes steel rollers, HDPE rollers, impact rollers, and specialized designs for return, spiral, and garland applications.

Why Do Conveyor Rollers Matter for Bulk Material Handling?

Conveyor rollers are the most numerous component in any belt conveyor system — a typical long-distance conveyor contains thousands of rollers supporting the belt and material load. Poor-quality rollers lead to increased rotation resistance, higher energy consumption, premature bearing failure, and unplanned downtime. ZOOMRY rollers are engineered to eliminate these risks: precision bearings with low rotation resistance (≤2N) reduce motor power draw, while multi-stage labyrinth seals prevent dust and moisture ingress in demanding environments.

For operations in cement plants, port terminals, and coal mines, choosing the right roller material and seal configuration is critical. Our application engineers help match roller specifications to your specific material characteristics, belt speed, and environmental conditions — ensuring optimal performance throughout the conveyor's service life.

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What Types of Conveyor Rollers Does ZOOMRY Offer?

Different applications demand different roller types. ZOOMRY manufactures a full range to cover every conveyor position and operating condition:

• Steel Rollers: Standard heavy-duty rollers for general bulk material transport. Precision steel pipe construction with SKF/FAG/ZWZ bearings for reliable, long-life operation in mining and quarry applications.
• HDPE Rollers: Non-corrosive, lightweight rollers specifically engineered for high-salinity coastal ports, fertilizer plants, and chemical processing lines. 40,000+ hours service life with superior chemical resistance.
• Impact Rollers: Designed for loading zones where falling material creates high impact forces. Rubber disc rings absorb shock and protect both the belt and roller from damage.
• Rubber Disc Return Rollers: Self-cleaning design prevents material buildup on the return side, reducing belt mistracking and extending belt life.
• Steel Spiral Return Rollers: Maintenance-free spiral design cleans sticky material from the belt surface, ideal for coal, clay, and other adhesive materials.
• Garland Rollers: Suspended roller sets for high-impact, large-lump material conveying. Flexible configuration absorbs shock and conforms to belt movement under heavy loads.

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How Does Roller Quality Impact Conveyor Performance?

Roller quality directly determines three critical performance factors: energy consumption — high-resistance rollers increase motor load, while ZOOMRY's low-rotation-resistance design (≤2N) reduces energy costs; belt life — poorly manufactured rollers with excessive radial runout cause belt mistracking and edge wear, whereas our rollers maintain runout within 0.4mm; maintenance frequency — inferior seals allow contaminant ingress leading to bearing seizure, while our multi-stage labyrinth seals with IP66 protection deliver 50,000+ hours of trouble-free operation.

ZOOMRY manufactures all rollers under ISO 9001 quality control with 100% concentricity and rotation resistance testing. Each batch undergoes rigorous factory inspection before shipment, ensuring consistent quality whether you order 100 or 10,000 rollers.

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Specifications

NO.	Standard Diameter (mm)	Standard Diameter (inch)	Length Scope (mm)	Bearings Type	Idler's Shell Wall Thickness (mm)
1	63.5	2 1/2	150-3500	203, 204	3.0-4.0
2	76	3	150-3500	204	3.0-4.5
3	89	3 1/3	150-3500	204, 205	3.0-4.5
4	102	4	150-3500	204, 205, 206, 305	3.2-4.5
5	108	4 1/4	150-3500	204, 205, 206, 305, 306	3.5-4.5
6	114	4 1/2	150-3500	204, 205, 206, 305, 306	3.5-4.5
7	127	5	150-3500	204, 205, 206, 305, 306	3.5-5.0
8	133	5 1/4	150-3500	204, 205, 206, 207, 305, 306	3.5-5.0
9	140	5 1/2	150-3500	205, 206, 207, 305, 306, 307	3.5-5.0
10	152	6	150-3500	205, 206, 207, 305, 306, 307, 308	4.0-5.0
11	159	6 1/4	150-3500	205, 206, 207, 305, 306, 307, 308	4.0-5.0
12	165	6 1/2	150-3500	206, 207, 305, 306, 307, 308	4.5-6.0
13	177.8	7	150-3500	207, 306, 307, 308, 309	4.5-6.0
14	190.7	7 1/2	150-3500	207, 306, 307, 308, 309, 310	4.5-7.0
15	194	7 5/8	150-3500	207, 306, 307, 308, 309, 310	4.5-8.0
16	219	8 5/8	150-3500	308, 309, 310, 312	4.5-8.0

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Details & Construction

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Advantages

• Advanced sealing performance – multi‑stage labyrinth + contact seal, IP66 optional for dusty and wet environments in mining and cement applications
• High quality raw materials – precision steel pipe with SKF/FAG/ZWZ bearings for reliable rotation and extended service intervals
• Strict quality control – 100% concentricity and rotation resistance testing, radial runout ≤0.4mm, rotational resistance ≤2N
• Automated assembly production line – consistent quality and high efficiency under ISO 9001 certified manufacturing processes
• Customizable to meet your needs – any size, coating, or material including HDPE, steel, and impact‑rated configurations for any belt width

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Video

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