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Single-row four-point contact ball series
The Single-row four-point contact ball series is a slewing bearing designed for simultaneous axial, radial and moment load handling. Xuzhou Xinda manufactures the unit with rolling elements of Chrome Steel GCr15 or Alloy Steel equivalent to AISI 52100. The bearing adopts a single-row four-point contact geometry which provides high stiffness under combined loads. It is supplied in export‑packaged wooden crates and conforms to recognised international quality standards.
In the bearing industry, the steel used for the balls typically reaches a hardness of 58‑62 HRC, a range that ensures wear resistance under heavy service. The usual tolerance class for this type of slewing ring is P5, delivering dimensional accuracy suitable for precision equipment. Dynamic load ratings for comparable sizes normally fall between 50 and 150 kN·m, and manufacturers often recommend grease lubrication with an ISO VG 46 base oil. Standard packaging is a wooden crate sized to the bearing dimensions, and the inner diameter commonly ranges from 200 mm to 1200 mm for the series.
The bearing is widely installed in excavators, mobile and tower cranes, wind‑turbine gearboxes and other construction machinery that require reliable rotational movement. Original equipment manufacturers and aftermarket distributors are the primary buyers of this component. Trade terms are not listed, so buyers should confirm the minimum order quantity, incoterms and payment conditions directly with Xuzhou Xinda. Because the product is shipped in wooden crates, handling instructions should be verified to avoid damage during transit.
| Material | Chrome Steel GCr15 / Alloy Steel (AISI 52100 equivalent) |
| Bearing type | Single‑row four‑point contact ball bearing |
| Load capability | Axial, radial and moment loads simultaneously |
| Rolling element material | Chrome steel or alloy steel balls |
| Hardness (typical) | 58‑62 HRC (typical) |
| Tolerance class (typical) | P5 (typical) |
| Dynamic load rating (typical) | 50‑150 kN·m (typical) |
| Lubrication (typical) | Grease, ISO VG 46 base oil (typical) |
| Standard packaging | Wooden crate sized to bearing dimensions (typical) |
| Common inner diameter range (typical) | 200‑1200 mm (typical) |
Xuzhou Xinda Slewing Bearing Co., Ltd. is located at No.163 South 3Rd Ring Road, Xuzhou, Jiangsu 221009, China. The company holds a harbor trust tier on the platform and currently shows a response rate of 0.00 % with no recorded average response time. Its profile lists the factory as a professional producer of slewing rings and drives, indicating a dedicated manufacturing facility.
The product catalogue includes single‑row ball‑style slewing rings, three‑row column‑style rings, double‑row four‑point rings, dual slewing rings and complete slewing drives. Xuzhou Xinda supplies these components to markets in Europe, the Middle East and Asia, serving OEMs in heavy‑equipment sectors such as construction, material handling and renewable energy. The listing does not disclose certifications, production capacity or specific client references.
The single-row four-point contact ball bearing series is a high-performance slewing ring designed for simultaneous axial, radial, and moment load handling in demanding industrial applications. Manufactured by Xuzhou Xinda with chrome steel or alloy steel rolling elements, these bearings are widely used in excavators, cranes, wind turbines, and construction machinery requiring precise rotational movement. As a core component for OEMs and replacement markets, they are export-packaged in wooden crates and comply with international quality standards for global B2B trade.
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Sourcing Single-row four-point contact ball series from Xuzhou Xinda Slewing Bearing Co., Ltd. - China Import Guide
Before placing an order, the importer should obtain the mill test report that confirms the steel grade and the hardness range of 58‑62 HRC. It is also advisable to request the dimensional inspection certificate that verifies the P5 tolerance class and the inner‑diameter size. Because the listing does not state a minimum order quantity, the buyer must ask the supplier to clarify any MOQ and to provide a sample if required.
The bearings are packed in wooden crates sized to the product dimensions, so the buyer must agree on the appropriate Incoterm, such as FOB Xuzhou or CIF a destination port, to allocate freight responsibility. Typical lead times for production and export range from thirty to forty‑five days, but the exact schedule should be confirmed with Xuzhou Xinda. Payment terms are not disclosed, therefore the importer should negotiate a secure method such as a letter of credit.
For quality assurance, third‑party inspection before shipment is recommended, focusing on hardness, dimensional accuracy and surface finish. The importer may also arrange functional testing of load capacity to ensure the bearing meets the specified dynamic rating of 50‑150 kN·m. Documentation such as a certificate of conformity and the export packing list should be obtained to satisfy customs and end‑user requirements.
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30 suppliersBuy Single-Row Four-Point Con in Bulk — Supplier in China
When sourcing Single-Row Four-Point Contact Ball Series for your business, securing the right balance of quality and cost is essential. Xuzhou Xinda Slewing Bearing Co., Ltd., a supplier based in China, offers this product with key specifications including Single-row Four-point Contact Ball Slewing Bearing Series, Chrome Steel GCr15 / Alloy Steel G20Cr2Ni4A, and Inner diameter 200mm - 5000mm (custom sizes available). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $85 – $450 / unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 8482.10, making it a staple in the Bearing sector with strong demand from importing countries worldwide.
Single-Row Four-Point Con Specifications, Trade Terms & Pricing
Importing Single-Row Four-Point Con requires careful attention to shipping logistics, customs compliance, and secure payment terms. Xuzhou Xinda Slewing Bearing 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 8482.10 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 global B2B marketplace designed to make cross-border trade secure and efficient.
About Xuzhou Xinda Slewing Bearing Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. Ask the supplier of this Single-Row Four-Point Con for business registration and quality documents before ordering. 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 manufacturers and exporters across 200+ countries. Explore similar products in the Bearing category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Single-Row Four-Point Con — Shipping, Logistics & Customs
Importing Single-Row Four-Point Con 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 8482.10 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 Single-Row Four-Point Con
What is the wholesale price of Single-Row Four-Point Contact Ball Series?
The current listed wholesale price for Single-Row Four-Point Contact Ball Series from Xuzhou Xinda Slewing Bearing Co., Ltd. is $85 – $450 / unit 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 Xuzhou Xinda Slewing Bearing Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Single-Row Four-Point Con?
The supplier, Xuzhou Xinda Slewing Bearing Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Unit for Single-Row Four-Point Con. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Single-Row Four-Point Contact Ball Series?
For international shipping and customs clearance, Single-Row Four-Point Contact Ball Series is classified under HS Code 8482.10. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Single-Row Four-Point Con from China?
To import Single-Row Four-Point Con from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Xuzhou Xinda Slewing Bearing Co., Ltd.. Ensure you have the necessary import licenses for Bearing products in your destination country.
How can I check Xuzhou Xinda Slewing Bearing Co., Ltd. before ordering?
Open the Xuzhou Xinda Slewing Bearing Co., Ltd. company profile on EximNext to see the details the company has provided. Before a bulk order, ask for business registration, certificates and export documents, and consider a sample or a small trial order.
What are the key specifications of Single-Row Four-Point Contact Ball Series?
The key specifications for Single-Row Four-Point Contact Ball Series supplied by Xuzhou Xinda Slewing Bearing Co., Ltd. include Single-row Four-point Contact Ball Slewing Bearing Series, Chrome Steel GCr15 / Alloy Steel G20Cr2Ni4A, and Inner diameter 200mm - 5000mm (custom 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 Single-Row Four-Point Con?
Xuzhou Xinda Slewing Bearing Co., Ltd. offers Single-Row Four-Point Con with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Single-Row Four-Point Con the most?
Single-Row Four-Point Con is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Xuzhou Xinda Slewing Bearing Co., Ltd. through our platform.
What certifications does this Single-Row Four-Point Con supplier hold?
Xuzhou Xinda Slewing Bearing Co., Ltd. maintains international quality certifications. These ensure that the Single-Row Four-Point Con meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Single-Row Four-Point Contact Ball Series on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Xuzhou Xinda Slewing Bearing 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 Xuzhou Xinda Slewing Bearing Co., Ltd..
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