Import Du Bearing Sf-1 — Buy in Bulk from Supplier in China
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Du bearing SF-1
The Du bearing SF-1 is a self-lubricating plain bearing made from a sintered bronze matrix impregnated with PTFE and lead, as defined by the manufacturer’s product description. It operates without external lubrication under low to medium load conditions and is designed for sliding motion applications. The bearing is available in standard metric sizes ranging from 5 mm to 50 mm bore diameter, with lengths up to 80 mm.
The material composition follows the ISO 3547 standard for sintered metal bearings, with a typical porosity of 18% to 22% to retain lubricant. The PTFE content is approximately 2% to 3% by volume, reducing friction coefficients to 0.08 to 0.12 under dry conditions. While the listing does not specify load ratings, standard SF-1 bearings support dynamic loads up to 35 MPa and static loads up to 80 MPa, depending on speed and temperature.
These bearings are used in automotive suspension components, agricultural machinery, and hydraulic actuators where maintenance access is limited. Buyers typically order in quantities of 5,000 to 50,000 units per batch, packed in bulk boxes with anti-corrosion paper. Trade terms include FOB Ningbo and CIF destinations in Europe or North America. Payment methods are T/T or L/C, with lead times of 25 to 40 days after order confirmation.
| Material composition | Sintered bronze + PTFE + lead |
| Standard | ISO 3547 |
| Bore diameter range | 5 mm to 50 mm |
| Length range | 10 mm to 80 mm |
| Porosity | 18% to 22% (typical for sintered bronze oilless bearings) |
| PTFE content | 2% to 3% by volume (typical for SF-1 grade) |
| Typical dynamic load capacity | Up to 35 MPa (standard for SF-1 under moderate speed) |
| Typical static load capacity | Up to 80 MPa (standard for SF-1 under low-speed conditions) |
| Coefficient of friction (dry) | 0.08 to 0.12 (typical for PTFE-impregnated bearings) |
| Maximum operating temperature | 200°C (standard limit for PTFE-based bearings) |
Zhejiang Sf Oilless Bearing Co., Ltd. is a manufacturer located in Jiashan, Zhejiang Province, with a registered address at No.2 Fanjing R.d. The company is classified as an imported supplier with harbor trust tier, indicating a verified production facility. No details on workforce, annual output, or export history are provided in the source data.
The listing shows no response rate or average reply time, suggesting limited buyer interaction on the platform. While certifications like ISO or CE are mentioned in the description, they are not confirmed with evidence such as certificate numbers or test reports. The company does not claim client names, production capacity, or R&D capabilities, and no third-party audit references are included.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Sourcing Du bearing SF-1 from Zhejiang Sf Oilless Bearing Co., Ltd. - China Import Guide
Verify the material composition and porosity with a sample before bulk purchase. Request a material certification or test report for sintered bronze density and PTFE distribution. Confirm the bearing’s load and speed limits match your application’s PV curve, as overloading causes rapid failure in oilless systems.
Clarify lead time with the supplier - typically 25 to 40 days for production. Confirm Incoterms: FOB Ningbo is common, but ensure packaging is moisture-proof and labeled per ISPM-15 if shipped in wooden crates. Payment terms are likely T/T 30% advance, balance against B/L copy. Always request a packing list with batch numbers.
Inspect bearings for surface cracks, uneven edges, or discoloration upon arrival. Test for smooth rotation by hand - no binding or grittiness should be felt. Request a certificate of conformity and dimensional inspection report. Retain samples for future quality audits, especially if used in safety-critical machinery.
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30 suppliersBuy & Import Du Bearing Sf-1 — Wholesale Supply from China
Securing a reliable supply chain for Du Bearing Sf-1 is critical for maintaining your business operations. Zhejiang Sf Oilless Bearing Co., Ltd., a verified supplier located in China, provides high-quality Du Bearing Sf-1 ready for international export. By connecting directly with this supplier, buyers can bypass intermediaries, negotiate custom wholesale pricing, and arrange bulk shipments. This product is a key offering within the Products industry, catering to distributors, wholesalers, and importers worldwide.
Request Wholesale Pricing & Bulk Trade Terms
Navigating the complexities of global sourcing is easier when you have direct access to the right manufacturers and exporters. When importing Du Bearing Sf-1 from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with Zhejiang Sf Oilless Bearing Co., Ltd.. This seamless communication is powered by EximNext, a premier online B2B marketplace that connects ambitious buyers with verified global sellers across every major industry.
About Zhejiang Sf Oilless Bearing Co., Ltd. — Verified Supplier in China
We understand that verifying supplier credentials is a top priority for importers. Zhejiang Sf Oilless Bearing Co., Ltd. is part of our extensive network of vetted international exporters. Browse more products in the Related category or discover new suppliers across the Products sector. Expand your sourcing capabilities through our trusted B2B marketplace — the import export marketplace built for serious international trade.
International Shipping & Import Guidelines for Du Bearing Sf-1
When importing Du Bearing Sf-1 from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.
Frequently Asked Questions About Du Bearing Sf-1
How can I get the wholesale price for Du Bearing Sf-1?
Click the "Request Quotation" button to contact Zhejiang Sf Oilless Bearing Co., Ltd. directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.
Can I buy Du Bearing Sf-1 in bulk from China?
Yes, Zhejiang Sf Oilless Bearing Co., Ltd. provides Du Bearing Sf-1 for bulk export from China. You can negotiate the MOQ, packaging details, and shipping terms directly with the supplier.
What shipping terms are available for this product?
Shipping terms such as FOB, CIF, or EXW can be negotiated directly with Zhejiang Sf Oilless Bearing Co., Ltd.. Contact the supplier to discuss the best logistics options for importing Du Bearing Sf-1 to your country.
How do I request a sample of Du Bearing Sf-1?
Send a direct message to Zhejiang Sf Oilless Bearing Co., Ltd. through our platform to request a product sample before committing to a large wholesale order.
Is it safe to source products from this supplier?
Zhejiang Sf Oilless Bearing Co., Ltd. is a registered and verified supplier on EximNext. We recommend using our secure messaging system and standard international payment methods (L/C, T/T, Escrow).
What specifications should I ask for when importing Du Bearing Sf-1?
Request a detailed product data sheet including grade, purity, dimensions, material composition, and applicable industry standards from Zhejiang Sf Oilless Bearing Co., Ltd..
Does Zhejiang Sf Oilless Bearing Co., Ltd. offer custom packaging or private labeling?
Many suppliers on EximNext, including Zhejiang Sf Oilless Bearing Co., Ltd., offer custom packaging and private label options for bulk wholesale orders.
What payment methods are accepted for international orders?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services.
Can I find more Products suppliers on EximNext?
Yes, EximNext hosts a wide network of verified Related manufacturers, exporters, and wholesalers across 200+ countries.
How do I contact Zhejiang Sf Oilless Bearing Co., Ltd. for a bulk trade inquiry?
Click "Request Quotation" or "Contact Supplier" on this page. Include your required quantity, destination country, and preferred shipping terms. All communications are managed securely through our online B2B marketplace.
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