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High-Durability Return Roller for Cement and Power Plants
US$5.00
10-999 Sets
US$4.50
1,000-1,999 Sets
US$3.00
2,000+ Sets
Sample price:US$29.90/piece.Request sample
Product profile
Customization
AvailableMaterial
RubberApplication
Chemical Industry, Grain Transportation, Mining Transport, Power Plant, PortModel NO.
SPD RangeStructure
Ordinary RollerBearing Type
Double Sealed BearingType
Grooved Conveyor IdlerPlace of Origin
Shandong, China (Mainland)Brand Name
SPDRoller Diameter
76-219mmRoller Length
190mm to 3500mmRoller Tube
Q235 Carbon SteelShaft
Q235 Carbon SteelBearing
Single and Double Row Deep Groove Ball Bearing 2rzBearing Brand
SKF, FAG, NSK, Lyc etc.Finish
Painting/Rubber CoatedWelding
Mixed Gas Shielded Arc Welding EndTransport Package
Standard Export Plywood CasesSpecification
CEMA Dia. 127mm*332mm*Bearing 6205Trademark
SPDOrigin
Rizhao City, Shandong Province, ChinaHS Code
84313900Production Capacity
600piece/DayKey features
Extended Lifespan: Average service life reaches 50,000 hours under normal working conditions.
Energy Saving Design: Rotational resistance is 30% lower than national standards, saving 40% power consumption.
Advanced Rubber Coating: One-time whole casting adhesive technology ensures strong bonding and excellent cushioning.
Durable Sealing System: Non-contact labyrinth seals are dustproof and waterproof, exceeding GB and JIS standards.
High Precision Materials: Roller tubes use high-precision ERW pipes; shafts are made of cold-drawn bright round steel.
Customizable Dimensions: Roller diameter ranges from 76-219mm and length from 190mm to 3500mm.
Multi-Color Options: Available in black, red, blue, yellow, or customized according to specific requirements.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs, Full Customization CertifiedExport Year: 8 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.71h
AI-Powered supplier vetting
SummaryShandong Sealand Equipment Group Rizhao Co., Ltd. is a China-based limited company established in 2018, with 609 employees and a 67,000 m² manufacturing plant. It operates more than 10 production lines and reports annual production of 190,720 conveyor roller and frame sets, with stated peak- and off-peak-season lead times of one month. Its capabilities cover conveyor systems, port-handling equipment, steel structures, installation, maintenance, and industrial system integration. The supplier reports over 70 professional designers, five R&D engineers, and 21–30 quality-control staff. It exports to multiple regions and began exporting in 2007. Evidence supports strong production scale, after-sales and project-service capabilities, innovation resources, and documented customer projects. The company also states that it holds production qualification for transport machinery and Grade-I Professional Contracting Qualification of steel structure. Financial credibility cannot be assessed because the provided...
Supplier typeThe supplier is identified as a combined business entity and a limited company in China. Its stated activities combine industrial product research and manufacturing, steel-structure and equipment production, and general contracting for industrial system integration.
CertificationsThe supplier states that it is a member of the Standardization Administration of China/Technical Committee (SAC/TC331) and holds production qualification for transport machinery together with Grade-I Professional Contracting Qualification of steel structure. These are explicit qualification and industry-participation claims, although no separate certificate numbers or validity dates are provided.
After-Sales capabilityThe company explicitly provides installation, operation, maintenance, and targeted solutions for port equipment and continuous conveyor systems, including general contracting services. This indicates established post-delivery and lifecycle-service capability supported by 21–30 quality-control staff, although geographic service coverage is not specified.
R&D capabilityThe supplier states that it is committed to design and innovation and has over 70 professional designers responsible for port-handling systems, steel structures, and modular-house development. It also reports five R&D engineers and identifies technological innovation as a development policy, providing explicit evidence of innovation resources and activity.
Production capacityThe supplier reports more than 10 production lines, a 67,000 m² manufacturing plant, 609 employees, annual output of 190,720 conveyor roller and frame sets, and annual steel-structure production of 100,000 tons. It also states that both off-peak and peak-season order fulfillment takes one month, supporting a substantial and relatively consistent production capability.
Customization capabilityThe company describes design and development services, professional port-handling-system design, targeted customer solutions, and general contracting across industrial, civil, public, and park construction. These statements support project-based customization and integrated delivery, but no specific examples of customized products or customer-defined technical specifications are provided.
Client casesThe supplier states that it has undertaken the Ore Wharf belt Conveyor System in Rizhao Port and the HUANENG Power Plant Belt Conveyor Engineering. These named project references demonstrate experience in port and power-plant conveyor engineering, although project dates, scope details, and customer verification information are not included.
Product Q&A
Q:What is the average lifespan of the roller?
A:
The service lifespan can be assured for 30,000 to 50,000 hours under normal working conditions and maintenance.
Q:Can the roller dimensions be customized?
A:
Yes, the roller diameter ranges from 76-219mm and the length from 190mm to 3500mm, with larger sizes available on request.
Q:What is the energy saving performance of this roller?
A:
The resistance of roller rotating is 30% lower than national standards, which can save 40% power consumption per hour.
Q:Are the seals dustproof and waterproof?
A:
Yes, the non-contact labyrinth seal structure is approved as dustproof and waterproof, exceeding GB and JIS standards.
Q:What colors are available for the roller finish?
A:
Standard colors include black, red, blue, and yellow, or customized according to your requirement.
Send Inquiry
*To:
Shandong Sealand Equipment Group Rizhao Co., Ltd.
Shandong Sealand Equipment Group Rizhao Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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