What materials are used for the roller pipe and shaft?

Both the roller pipe and shaft are made of Q235 carbon steel, ensuring high corrosion resistance and stiffness.

Does the roller have a special sealing structure?

Yes, it features a composite sealing structure of non-contact labyrinth and contact lip, making it waterproof and dust-proof.

Comb Spiral Screwed Carrier Return Polymer Rubber Impact Steel Roller Conveyor Idler

Name: Comb Spiral Screwed Carrier Return Polymer Rubber Impact Steel Roller Conveyor Idler
Brand: Shandong Mining Machinery Group Co., Ltd.
SKU: 2015535792

Shandong, ChinaShandong Mining Machinery Group Co., Ltd.

US$7.00-150.00

1 Piece

Sample price:US$7.00/piece.Request sample

Product profile

Customization

Available

Material

Steel

Application

Chemical Industry, Grain Transportation, Mining Transport, Power Plant

Model NO.

Customized

Structure

Ordinary Roller

Bearing Type

Double Sealed Bearing

Type

Parallel Conveyor Idler

Usage

Mining Belt Conveyor

Roller Diameter

89mm~219mm

Seals

Labyrinth Seal or Composite Seal

Seals Performance

Wear/Corrosion/Fire/Water/Dust Proof

Product Lifespan

30, 000~50, 0000 Hours

Production Capaction

1000 Pieces/Day

Warranty Period

1 Year

Product Color

Customized

Minimum Order Quantity

1 Piece

Welding

Mixed Gas Shielded Welding

Transport Package

Standard Export Package

Specification

Length: 200mm~2800mm

Trademark

RISBON

Origin

China

HS Code

8431390000

Production Capacity

1000 Pieces Per Day

Key features

Customized Color Options: Available in black, red, blue, yellow, or customized according to your requirement.

Wide Diameter Range: Roller diameter ranges from 89mm to 219mm to suit various conveyor needs.

High Precision Welding: Uses Q235 carbon steel pipe with high precision straight seam welding for balanced rotation.

Advanced Sealing System: Composite sealing structure combining labyrinth and contact lip for waterproof and dust-proof protection.

Long Service Lifespan: Designed for a service lifespan of 30,000 to 50,000 hours under normal conditions.

Automated Production Line: Fully automatic cutting, boring, welding, and coating ensures high precision and efficiency.

Patented Reducing Diameter Process: Eliminates belt wear and reduces rotating resistance for improved idler coaxiality.

Company profile

Shandong Mining Machinery Group Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2013-05-05Nearest Port: Qingdao PortAverage Response Time: ≤7.40hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, Others

AI-Powered supplier vetting

SummaryShandong Mining Machinery Group Co., Ltd. is identified as both a trading company and manufacturer/factory based in Shandong, China. The supplier reports a long operating history since 1955, 21 holding subsidiaries, more than 10 production lines, stated production capacities across conveyor and mining-equipment categories, and export activity since 2013 with self-managed import/export rights. It reports QHSE, ISO 14001, ISO 9001, and HSE certifications, as well as 50 R&D engineers and 50 quality-control staff. Its service network includes 26 parts warehouses nationwide. Evidence supports substantial manufacturing, quality-system, service-network, and engineering capabilities. However, the provided slices do not establish specific customer projects or directly verify financial strength; the registered-capital figure is therefore not considered in accordance with the privacy requirement.

Supplier typeThe supplier is explicitly classified as both a trading company and manufacturer/factory. Its stated business covers industrial equipment and processing machinery, while its products include belt conveyors, scraper conveyors, hydraulic supports, crushers, reducers, and related components.

CertificationsThe supplier reports QHSE, ISO 14001, ISO 9001, and HSE management-system certifications. These explicitly indicate coverage of quality, environmental, health, safety, and broader QHSE management requirements.

After-Sales capabilityThe supplier states that it has established 26 large-scale parts warehouses nationwide, forming a marketing and service network. It also reports EPC, BOT, and BT operation-and-maintenance capabilities for bulk-material conveying projects, supporting a substantial service and project-support structure.

R&D capabilityThe supplier describes innovation as part of its business philosophy and reports an intelligent IoT cloud platform and intelligent control-system software. It also reports 50 R&D engineers, providing explicit evidence of dedicated technical-development resources.

Production capacityThe supplier reports more than 10 production lines and stated output of 5,000 hydraulic-support sets, 500 belt-conveyor sets, 2,000 scraper-conveyor sets, 200,000 conveyor pulleys, and 1,000,000 conveyor rollers. These figures demonstrate broad and sizeable production capacity across major product categories.