Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure uninterrupted industrial machinery performance with precision-engineered <strong>SKF Deep Groove Ball Bearings 6300-6308 Series</strong>, featuring 2RS1/ZZ seals for superior contamination resistance and extended service life. As an official SKF distributor, we guarantee 100% genuine bearings with full traceability documentation, eliminating customs clearance delays and quality risks.</p><ul><li>Available in P0-P2 precision ratings to match your exact load and speed requirements, with Z1V1-Z3V3 vibration grades for smooth operation</li><li>Single-row radial design (contact angle 0°) handles both radial and axial loads, ideal for general machinery, pumps, and conveyor systems</li><li>Pre-lubricated with high-performance grease (or oil-compatible) and sealed to prevent lubricant loss, reducing maintenance downtime</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 Bearings |
| Bore Diameter (d) | -- | mm |
| Outer Diameter (D) | -- | mm |
| Width / Height (B) | -- | mm |
| Dynamic Load Rating (C) | -- | kN |
| Static Load Rating (C₀) | -- | 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. | 6300/6301/6302/6303/6304/6305/6306/6307/6308-2RS1 |
| 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 | 0.35 kg |
| Specification | 30*72*19 mm |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482102000 |
| Industry | Typical Equipment |
|---|---|
| General Machinery | Electric Motors, Gearboxes, Pumps, Fans, Compressors |
| Manufacturing | Conveyor Systems, Machine Tools, Material Handling Equipment |
| Automotive | Alternators, Water Pumps, Power Transmission Units |
| Industrial Automation | Robotics, Assembly Lines, Precision Mechanisms |
Industrial machinery operators know the cost of unexpected downtime—counterfeit bearings failing prematurely, delivery delays disrupting production schedules, and technical support gaps leaving teams struggling with installation issues. When equipment like electric motors or conveyor systems stops, every hour of downtime eats into profit margins and strains deadlines.
Our SKF Deep Groove Ball Bearings 6300-6308 Series with 2RS1/ZZ Seals eliminate these headaches. As an official SKF distributor, we ensure 100% genuine products with full traceability documentation, avoiding customs clearance obstacles and quality disputes. Our large centralized warehouse stocks thousands of SKF bearings, meaning your order ships within days—not weeks—keeping your production lines running on schedule.
These SKF 6300 Series bearings excel in high-speed, radial load applications common in industrial machinery. With a contact angle of 0°, they handle pure radial loads efficiently, making them ideal for electric motor shafts, gearbox input/output shafts, and conveyor rollers. The 2RS1 seals provide effective protection against dust and moisture, while ZZ shields offer minimal friction for high-speed operation—both options extending bearing life in harsh manufacturing environments.
The performance of these bearings is defined by critical technical features. Precision ratings from P0 to P2 allow selection based on application requirements—P5 and P4 grades deliver tighter tolerances for high-precision machinery like CNC spindles, while P0 suits general industrial use. Vibration classes Z1V1 to Z3V3 ensure smooth operation, reducing noise and wear in fan and pump applications. The single-row design and unseparated construction provide simplicity in installation and maintenance, while bearing steel material ensures durability under continuous load.
Choosing genuine SKF 6300-6308 2RS1 Bearings over gray-market alternatives reduces long-term costs significantly. Counterfeit bearings often fail within months, leading to repeated replacement, unplanned maintenance, and production losses. In contrast, SKF bearings are manufactured to ISO 9001 and SKF global standards, with rigorous quality control ensuring consistent batch performance. Their longer service life and reliable operation translate to lower maintenance expenses and higher equipment uptime—a smarter investment for production-oriented enterprises.
Our reputation as a trusted SKF distributor is built on tangible strengths. We provide official authorization certificates with every order, ensuring full product traceability from SKF's Swedish factories to your facility. Our SKF-certified technical team offers free model selection support, helping you choose the right bearing (2RS1 vs. ZZ, P0 vs. P5) for your specific working conditions. With a production capacity of 1,000,000 units annually and global door-to-door logistics, we handle both bulk OEM orders and emergency maintenance shipments efficiently. Serving industrial equipment OEMs and maintenance providers worldwide, we combine stable supply with responsive customer service.
Don’t let bearing issues slow down your production. Send us your model list, application details (like operating speed and load), and order quantity, and we’ll provide a formal quotation with traceability certificates within 24 hours. With our dedicated account managers and SKF-certified technical support, you’ll get the right bearings delivered when you need them.
Q: Are these genuine SKF bearings?
A: Yes, we are an official authorized SKF distributor. Every bearing comes with complete traceability documentation and brand authorization certificates to ensure authenticity.
Q: How do I confirm the correct bearing model for my equipment?
A: Provide your equipment model, working condition parameters (speed, load, temperature), or existing bearing designation. Our SKF-certified technical team will verify compatibility at no cost.
Q: What is the warranty policy?
A: All bearings come with SKF's standard manufacturer warranty, covering manufacturing defects. We offer unconditional replacement for any verified quality issues.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, supporting both emergency maintenance needs and small-batch trials before mass production.
Q: How long does shipping take?
A: In-stock bearings are shipped within 3-7 business days. We offer DHL, FedEx, UPS, air, and sea freight options to match your delivery timeline requirements.
Q: How can I verify the authenticity of the bearings?</p
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.