Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure your industrial machinery operates at peak efficiency with <strong>SKF 6300-6309 deep groove ball bearings</strong>—engineered for high-speed precision that minimizes downtime and maximizes production reliability. These genuine SKF bearings, available in ZZ, 2RS, and Open seal types with P0-P2 precision ratings, deliver consistent performance even under demanding conditions, eliminating the risks of counterfeit components and unstable supply chains.</p><ul><li>Precision-machined from high-grade bearing steel with Z1V1-Z3V3 vibration control for smooth operation in automotive, general machinery, and rail transit applications</li><li>Supports both grease and oil lubrication to adapt to your specific working conditions, backed by SKF’s global quality standards and full traceability documentation</li><li>Direct from authorized distributor Shanghai Dunyu Bearing, ensuring fast emergency delivery and dedicated technical support to keep your production line running without interruptions</li></ul>
Compatible with: Housings, adaptor sleeves, locking devices, SKF LGMT 2/3 grease, induction heaters, and SKF TMFT 36 fitting tools.
Formal quotation with SKF traceability cert within 24 hours · Sample orders available
24h Response
Quotation & Cert
60+ Countries
DDP/DAP/CIF
ISO 9001
Quality Certified
| Parameter | Value | Unit / Note |
|---|---|---|
| Bearing Series | -- | Deep Groove Ball Bearing |
| Bore Diameter (d) | -- | mm |
| Outer Diameter (D) | -- | mm |
| Width / Height (B) | -- | mm |
| Dynamic Load Rating (C) | -- | kN |
| Static Load Rating (Câ‚€) | -- | kN |
| Fatigue Limit Load (Pu) | -- | kN |
| Reference Speed | -- | r/min |
| Limiting Speed | -- | r/min |
| Mass | -- | kg |
| Clearance Class | C3 | ISO 281 |
| Cage Material | -- | -- |
| Sealing / Shield | -- | -- |
| Lubrication | Grease / Oil bath | -- |
| Operating Temp. Range | −30 to +120 °C | -- |
| Vibration Level | SKF E1 / Standard | -- |
| Misalignment Tolerance | -- | ° |
| Fit Recommendation (shaft) | -- | ISO |
| Fit Recommendation (housing) | -- | ISO |
| Replacement / Cross Ref. | -- | -- |
Engineered for demanding industrial environments, this SKF bearing series delivers reliable performance across a wide range of heavy-duty and precision applications.
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
Wind turbines, generators, gearboxes, and turbine main shafts.
Cranes, presses, rolling mills, and large industrial gearboxes.
Ship propulsion systems, deck machinery, and offshore platforms.
Kiln drives, ball mills, bucket elevators, and vibrating screens.
Paper machine rolls, dryer sections, and calender rolls.
Need Application Advice?
SKF-Certified Engineer
Selection · Failure analysis · Technical support
Every SKF bearing supplied by Dunyu Bearings adheres to SKF's global engineering standards -- from material science and heat treatment to precision tolerancing and noise classification.
Optimized internal geometry reduces friction and heat generation, extending service life by up to 50% compared to conventional designs. Ideal for high-speed and high-temperature applications.
Manufactured to ISO P0-P6 tolerance classes. Dimensional accuracy and running accuracy are 100% verified before shipment, with full batch traceability records.
Comprehensive sealing options: open, shielded (Z/2Z), rubber sealed (RS/2RS), and labyrinth variants. SKF V-rings and radial shaft seals available as integrated solutions.
LGMT 2/3 general purpose grease for most applications. LGEP 2 for heavy loads, LGHP 2 for high temperatures. SKF automatic lubricators (SYSTEM 24) for continuous re-lubrication.
Correct mounting is critical. SKF TMFT 36 fitting tool kit, induction heaters (TIH 030M/100M), and laser alignment tools ensure damage-free installation and maximum service life.
SKF Microlog and Enlight sensors for vibration, temperature, and speed monitoring. Enable predictive maintenance strategies to minimize unplanned downtime and optimize bearing replacement intervals.
| Parameter | Details |
|---|---|
| Model NO. | 6300/6301/6302/6303/6304/6305/6306/6307/6308/6309 |
| Seals Type | Zz, 2RS, Open |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Rows Number | Single |
| Aligning | Non-Aligning Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Contact Angle | 0° |
| Separated | Unseparated |
| Standard | DIN, GB, ISO, JIS, ANSI |
| Weight | 0.4 Kg |
| Transport Package | Carton, Pallet |
| Specification | 15*42*13 mm |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482102000 |
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machines, Electric Motors, Gearboxes, Conveyor Systems |
| Automotive | Assembly Line Equipment, Pumps, Fans, Compressors |
| General Machinery | Printing Presses, Textile Machines, Packaging Equipment |
| Rail Transit | Conveyor Systems, Auxiliary Machinery |
Industrial machinery OEMs and maintenance teams often face costly disruptions from counterfeit bearings that fail prematurely, causing unplanned downtime and production line shutdowns. Multi-tier distribution channels further complicate procurement with extended lead times—30-50% longer than direct supply—and inconsistent batch quality, making it difficult to align with tight production schedules.
As an official SKF authorized distributor, we eliminate these challenges by providing 100% genuine SKF 6300-6309 deep groove ball bearings with full traceability documentation. Our centralized warehouse maintains large inventory, ensuring SKF 6300 series ball bearings are available for immediate dispatch, whether for emergency repairs or scheduled production runs. These high precision deep groove ball bearings are engineered for reliable performance in industrial machinery, from electric motor spindles to conveyor systems.
Designed to handle radial loads and moderate axial loads at high speeds, the SKF 6300-6309 series excels in applications requiring consistent rotation and minimal friction. With precision ratings from P0 to P2 and vibration classes up to Z3V3, these bearings reduce noise and energy consumption, making them ideal for high-speed industrial machinery such as CNC spindles and gearboxes operating under continuous duty cycles.
The SKF 6300-6309 deep groove ball bearings deliver measurable performance advantages through critical design features. Precision ratings (P0-P2) ensure tight dimensional tolerances, reducing runout and extending equipment accuracy in precision machinery. Seal options—open, ZZ (metal shielded), and 2RS (rubber sealed)—provide flexibility: open bearings suit high-speed oil-lubricated systems, while 2RS variants offer enhanced contamination resistance for dusty manufacturing environments. Vibration classes Z1V1 to Z3V3 correspond to strict noise and vibration limits, critical for reducing operator fatigue and extending bearing service life in continuous-operation equipment.
Choosing unauthorized channels for SKF 6309 deep groove ball bearings carries hidden costs far exceeding initial savings. Counterfeit bearings often lack proper material heat treatment, leading to early fatigue failure—costing up to 10x the bearing price in production downtime and repair labor. In contrast, our genuine SKF bearings, compliant with ISO 9001 and SKF global standards, minimize total cost of ownership by delivering consistent performance and predictable service life, supported by complete traceability documentation to avoid customs clearance delays and quality liability disputes.
Our commitment to reliability is backed by tangible credentials: as an official SKF distributor, every bearing is sourced directly from SKF's global supply chain with full certification. Our ISO 9001-compliant quality management includes incoming batch inspections and pre-shipment verification. With a SKF-certified technical team, we provide application-specific support—from model selection based on load and speed parameters to installation guidance. Serving over 60 countries, our global logistics network ensures door-to-door delivery, with dedicated account managers tracking every order from warehouse to your facility. For OEMs, our customized supply agreements include inventory reservation to align with production schedules, eliminating stockouts.
Don’t let bearing-related downtime impact your production targets. Send us your model list, application parameters (load, speed, operating conditions), and order volume today. We’ll issue a formal quotation with certification within 24 hours, including sample testing options for quality verification before full production orders.
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with complete traceability documentation and brand authorization certificates to confirm authenticity.
Q: How do I confirm the correct bearing model for my equipment?
A: Provide your equipment model or operating parameters (load, speed, temperature), and our SKF-certified technical team will verify the optimal 6300 series model for your application.
Q: What is your warranty policy?
A: All SKF bearings are covered by SKF's standard manufacturer warranty, with replacement for any manufacturing defects. Our quality control process ensures only compliant products are shipped.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece to support emergency repairs, with bulk pricing available for OEM production requirements.
Q: How quickly can you ship?
A: In-stock SKF 6300-6309 bearings are dispatched within 3-7 business days via your preferred logistics method, with tracking provided upon shipment.
Q: How can I verify bearing authenticity?
A: Each bearing
As an officially authorized SKF distributor, every bearing we supply carries full documentation from SKF's global manufacturing network -- with complete batch traceability from factory to your facility.
Every shipment includes official SKF certification of origin, verifying product authenticity and manufacturing source.
Full production batch traceability maintained for minimum 5 years. Enables quality audit and failure investigation.
Verified annually by SKF. Our authorized status can be confirmed directly through the SKF distributor verification system.
All products carry SKF manufacturer warranty. Defective products are replaced or refunded -- no questions asked.
SKF QR code and holographic seal on every package. Verify authenticity instantly via SKF's official verification portal.
Authorized Distributor
Shanghai Dunyu Bearing
Official SKF Authorized Distributor
ISO 9001
SKF Authorized
Full Traceability
All products shipped in original SKF packaging with anti-counterfeit seal, QR code, and batch label intact.
Standard export carton for small orders. Custom wooden crates with moisture-proof lining for large/heavy shipments.
Sea freight (FCL/LCL), air freight, and express (DHL/FedEx/UPS). DDP, DAP, CIF, FOB terms all supported.
In-stock items: 1-3 days dispatch. Air freight: 3-7 days door-to-door. Sea freight: 15-35 days by destination.
| Region | Mode | Transit Time | Incoterms |
|---|---|---|---|
| Europe | Sea / Air / Express | 15-25d / 5-7d / 3-5d | DDP · DAP · CIF · FOB |
| North America | Sea / Air / Express | 20-30d / 5-8d / 3-5d | DDP · DAP · CIF · FOB |
| Southeast Asia | Sea / Air / Express | 7-15d / 3-5d / 2-4d | DDP · DAP · CIF · FOB |
| Middle East | Sea / Air / Express | 15-25d / 4-7d / 3-5d | DDP · DAP · CIF · FOB |
| Other Regions | Sea / Air / Express | Upon Confirmation | FOB · CIF · Negotiable |
Every product we supply comes with original SKF packaging including an anti-counterfeit holographic seal and QR code. You can scan the QR code on the SKF official website to verify authenticity. We also provide the SKF Certificate of Origin with every shipment, and our authorized distributor status can be verified directly through SKF's global distributor portal.
There is no strict minimum order quantity for standard catalog items. We support single-piece sample orders for testing and evaluation. For bulk procurement and long-term supply programs, we offer preferential pricing and dedicated inventory reservation. Contact our sales team for a customized procurement plan.
We guarantee a formal quotation with full SKF traceability certification within 24 business hours of receiving your inquiry. For urgent requirements, our team can typically respond within 2 hours during business hours (Mon-Sat, 9:00-18:00 GMT+8). Contact us via WhatsApp for fastest response.
Yes, we fully support DDP, DAP, CIF, and FOB incoterms across 60+ countries. Our logistics team handles all export documentation, customs clearance, and last-mile delivery. We work with leading freight forwarders and express carriers (DHL, FedEx, UPS) to ensure reliable and timely delivery.
Absolutely. Our SKF-certified engineers provide comprehensive technical support including bearing selection, application analysis, failure investigation, and lubrication planning. We can also assist with housing selection, mounting tool recommendations, and condition monitoring solutions. Technical support is available 24/7 via email and WhatsApp.
We accept T/T (bank transfer), L/C (letter of credit) for large orders, and Western Union. Standard terms are 30% deposit with 70% balance before shipment. For established long-term customers with framework agreements, we offer net payment terms. All transactions are conducted in USD or EUR.
All products carry the full SKF manufacturer warranty. In the unlikely event of a defective product, we will arrange replacement or full refund -- no questions asked. Our quality team will also conduct a failure analysis to identify the root cause and prevent recurrence. Please retain the original packaging and documentation for warranty claims.
Still have questions? Chat with our SKF engineers →
Send us your bearing model, quantity, and delivery requirements. Our SKF-certified team will respond with a formal quotation, traceability certificate, and logistics plan.