Import Magnetic Rotor Assembly — Buy in wholesale FOB from Supplier in China
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Magnetic Rotor Assembly
The Magnetic Rotor Assembly from Ningbo Northstar Electromechanical Co., Ltd. integrates NdFeB permanent magnets (grades N52, N45, or N42) bonded to a precision-machined steel core. Designed for high-efficiency applications, it supports axial or radial magnetization configurations, making it suitable for BLDC motors, servo drives, and synchronous generators. The assembly is engineered for robustness, with the steel core providing structural integrity for high-speed rotations.
NdFeB magnets offer exceptional magnetic strength, with typical energy products ranging from 33 MGOe to 52 MGOe depending on the grade. The assembly is commonly used in EV traction motors, industrial automation, and wind turbine generators, where precise magnetic alignment and high torque are critical. Standard pole counts vary by application, with common configurations including 4, 6, 8, or 12 poles, each alternating in polarity.
Primary buyers include manufacturers of electric motors, generators, and renewable energy systems. The rotor assembly is exported in protective packaging to prevent demagnetization or mechanical damage during transit. Importers should specify the magnet grade, pole count, and magnetization type to ensure compatibility with their motor designs. Lead times and MOQs depend on the complexity of the assembly and order volume.
| Magnet Material | NdFeB Permanent Magnets (Neodymium Iron Boron) |
| Magnet Grade Options | N52, N45, N42 |
| Energy Product | 33 MGOe to 52 MGOe typical, depending on grade |
| Core Material | Precision-machined steel |
| Magnetization Configuration | Axial or radial |
| Typical Pole Counts | 4, 6, 8, 12 poles typical |
| Applications | BLDC motors, servo drives, synchronous generators, EV traction motors, wind turbine generators |
| Packaging | Export-grade, protective to prevent demagnetization and mechanical damage |
| Operating Temperature Range | Up to 80°C typical for standard NdFeB grades, higher for special coatings |
| Surface Treatment | Nickel plating or epoxy coating typical for corrosion resistance |
Ningbo Northstar Electromechanical Co., Ltd. is based in Ningbo, Zhejiang Province, China, with its facility located at No.338, Shengxing Road, Luotuo, Zhenhai. The company specializes in the design and supply of magnetic rotor assemblies for electric motors and generators, offering both complete rotor solutions and individual magnet components. Its products cater to industries such as automotive, industrial automation, and renewable energy.
The supplier holds a harbor trust tier and an imported supplier tier, indicating a focus on international trade. While response metrics are currently unavailable, the company’s product descriptions highlight its ability to customize rotor designs for specific customer applications. No additional details on certifications, client base, or production capacity are provided in the available data.
This Magnetic Rotor Assembly features NdFeB permanent magnets bonded to a precision-machined steel core, designed for high-efficiency BLDC motors, servo drives, and synchronous generators. Available in N52, N45, and N42 grades with axial or radial magnetization configurations. Widely used in EV traction motors, industrial automation, robotics, and wind turbine generators. Export-grade packaging ensures safe transit for international trade. Pricing varies by magnet grade, pole count, and order volume.
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Sourcing Magnetic Rotor Assembly from Ningbo Northstar Electromechanical Co., Ltd. - China Import Guide
Before placing an order with Ningbo Northstar Electromechanical Co., Ltd., confirm the magnet grade, pole count, and magnetization configuration to ensure compatibility with your motor or generator design. Request technical drawings and specifications for the rotor assembly, including dimensions, tolerances, and magnetic alignment details. Verify if the supplier can provide certifications for material quality, such as ISO 9001 or RoHS compliance for NdFeB magnets.
For logistics, discuss packaging requirements to prevent demagnetization and mechanical damage during transit. Lead times may vary based on the complexity of the assembly and order volume, so plan accordingly. Incoterms such as FOB Ningbo or CIF should be clarified, along with the port of loading. Payment terms, such as TT or LC, should also be agreed upon in advance to avoid delays.
Quality checks should include testing the magnetic strength and alignment of the rotor assembly upon receipt. Use a gauss meter to verify the surface magnetic flux, and inspect the bonding between the magnets and steel core for any gaps or weaknesses. Request a certificate of conformance for the NdFeB magnets to ensure they meet the specified grade and energy product. For high-temperature applications, consider additional thermal testing.
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30 suppliersBuy Magnetic Rotor Assembly in Bulk — Verified Supplier in China
When sourcing Magnetic Rotor Assembly for your business, securing the right balance of quality and cost is essential. Ningbo Northstar Electromechanical Co., Ltd., a verified supplier based in China, offers this product with key specifications including NdFeB N52 / N42UH, Ferrite Y30-Y35, or SmCo Grade 2, 4P to 24P (customizable per application), and Outer Diameter 40mm - 400mm (custom OEM sizes available). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $45120./Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 8503.00, making it a staple in the Magnets & Magnetic Products sector with strong demand from importing countries worldwide.
Magnetic Rotor Assembly Specifications, Trade Terms & Pricing
Importing Magnetic Rotor Assembly requires careful attention to shipping logistics, customs compliance, and secure payment terms. Ningbo Northstar Electromechanical Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 8503.00 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading online B2B marketplace designed to make cross-border trade secure and efficient.
About Ningbo Northstar Electromechanical Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Magnetic Rotor Assembly has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Magnets & Magnetic Products category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Magnetic Rotor Assembly — Shipping, Logistics & Customs
Importing Magnetic Rotor Assembly requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 8503.00 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Magnetic Rotor Assembly
What is the wholesale price of Magnetic Rotor Assembly?
The current listed wholesale price for Magnetic Rotor Assembly from Ningbo Northstar Electromechanical Co., Ltd. is $45120./Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Ningbo Northstar Electromechanical Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Magnetic Rotor Assembly?
The supplier, Ningbo Northstar Electromechanical Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Magnetic Rotor Assembly. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Magnetic Rotor Assembly?
For international shipping and customs clearance, Magnetic Rotor Assembly is classified under HS Code 8503.00. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Magnetic Rotor Assembly from China?
To import Magnetic Rotor Assembly from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Ningbo Northstar Electromechanical Co., Ltd.. Ensure you have the necessary import licenses for Magnets & Magnetic Products products in your destination country.
Is Ningbo Northstar Electromechanical Co., Ltd. a verified supplier?
Yes, Ningbo Northstar Electromechanical Co., Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Magnetic Rotor Assembly?
The key specifications for Magnetic Rotor Assembly supplied by Ningbo Northstar Electromechanical Co., Ltd. include NdFeB N52 / N42UH, Ferrite Y30-Y35, or SmCo Grade 2, 4P to 24P (customizable per application), and Outer Diameter 40mm - 400mm (custom OEM sizes available). For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Magnetic Rotor Assembly?
Ningbo Northstar Electromechanical Co., Ltd. offers Magnetic Rotor Assembly with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Magnetic Rotor Assembly the most?
Magnetic Rotor Assembly is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Ningbo Northstar Electromechanical Co., Ltd. through our platform.
What certifications does this Magnetic Rotor Assembly supplier hold?
Ningbo Northstar Electromechanical Co., Ltd. maintains international quality certifications. These ensure that the Magnetic Rotor Assembly meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Magnetic Rotor Assembly on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Ningbo Northstar Electromechanical Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Ningbo Northstar Electromechanical Co., Ltd..
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