Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure your industrial machinery runs with uncompromised precision and reliability using <strong>Original SKF Taper Roller Bearings 30205-J2/Q 30310-J2/Q</strong>, designed to eliminate costly downtime and streamline your production workflow. These Swedish-engineered bearings deliver exceptional radial load capacity and precise alignment, critical for high-torque applications in automotive and general machinery—backed by full traceability documentation to keep your supply chain compliant and customs clearance smooth.</p><ul><li>Single-row tapered design with brass/iron/nylon cage options (P0-P2 precision ratings) ensures optimal performance under varying operating conditions</li><li>Separated structure allows easy installation and maintenance, reducing technical labor costs for your team</li><li>Global door-to-door logistics from our centralized warehouse guarantees consistent, on-schedule delivery to keep your production lines running without interruption</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 | -- | Tapered Roller 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. | 30205-J2/Q, 30206-J2/Q, 30207-J2/Q, 30303-J2/Q |
| Cage | Iron Cage, Brass Cage, Nylon Cage |
| Precision Rating | P0, P6, P5, P4, P2 |
| Service | OEM, ODM |
| Rows Number | Single |
| Structure | Taper |
| Aligning | Non-Aligning Bearing |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Lubricate | Grease or Oil |
| Seals Type | Zz, 2RS, Open |
| Separated | Separated |
| Rolling Body | Roller Bearings |
| Load Direction | Radial Bearing |
| Outer Dimension | 35mm-180mm |
| Transport Package | Carton Pallet |
| Specification | 17*47*15.25 mm |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482200000 |
| Industry | Typical Equipment |
|---|---|
| Automotive | Transmissions, Differentials, Axle Systems |
| General Machinery | Gearboxes, Pumps, Compressors, Conveyors |
| Rail Transit | Locomotive Axles, Railcar Bogies |
| Industrial Manufacturing | Machine Tools, Hydraulic Systems, Material Handling Equipment |
| Heavy Machinery | Construction Equipment, Mining Drills, Agricultural Machinery |
OEM manufacturers across automotive and machinery sectors face critical challenges with bearing procurement: counterfeit products from unauthorized channels cause premature failures, while multi-tier distribution leads to 30-50% longer lead times that disrupt production schedules. When a single bearing failure halts a production line, the costs stack up—unplanned downtime, maintenance labor, and missed delivery deadlines.
As an official SKF distributor, we eliminate these pain points with Original SKF Taper Roller Bearings 30205-J2/Q and 30310-J2/Q. Our large centralized warehouse ensures bulk inventory for immediate shipment, while full-process quality management compliant with ISO 9001 and SKF global standards guarantees batch consistency. Whether for gearboxes in industrial machinery or axle systems in automotive OEMs, these bearings deliver reliable performance with complete traceability documentation to streamline customs clearance.
SKF Taper Roller Bearings excel in applications with combined radial and axial loads, making them ideal for high-torque machinery such as conveyor systems, construction equipment, and machine tool spindles. The separated design allows for easy mounting and adjustment, while precision grades from P0 to P2 accommodate requirements for low vibration (Z1V1 to Z3V3) and high rotational accuracy. In demanding environments—from manufacturing floors to mining sites—these bearings maintain performance under heavy loads and varying temperatures.
The 30205-J2/Q and 30310-J2/Q models offer critical technical advantages for industrial OEMs. Their single-row tapered roller design distributes loads evenly across the raceways, extending service life in high-stress applications. Cage options—iron, brass, or nylon—provide flexibility: brass cages suit high-temperature environments, while nylon cages reduce noise in precision machinery. Sealing options (Zz, 2RS, Open) balance protection against contaminants with friction management; 2RS seals are ideal for dusty or wet conditions, while open designs maximize heat dissipation in high-speed operations. With an outer dimension range of 35mm-180mm, these bearings fit standard industrial shafts, ensuring compatibility with existing equipment designs.
Counterfeit taper roller bearings often mimic SKF designs but fail to meet material and manufacturing standards, leading to 50-70% shorter service life. A single failure in a production line can cost $10,000-$50,000 in downtime—far exceeding the savings from cheaper gray-market products. Our genuine SKF bearings, backed by SKF’s global engineering expertise, reduce total cost of ownership by minimizing maintenance needs and preventing unplanned shutdowns. Each bearing comes with certification to ISO 9001 standards, ensuring compliance with export documentation requirements for international OEMs.
Our 15 years as an authorized SKF distributor serving 60+ countries demonstrates our commitment to reliability. We provide: official authorization with full product traceability, from SKF’s Swedish factories to your facility; a SKF-certified technical team offering free model selection and installation guidance; dedicated inventory reservation for long-term supply agreements; and global door-to-door logistics with real-time shipment tracking. Every order includes batch test reports and compliance documents, ensuring seamless integration into your quality management system.
Don’t let bearing delays or counterfeit risks disrupt your production. Send us your model list, application parameters (load, speed, operating temperature), and order volume, and we’ll deliver a formal quotation with certification within 24 hours. For urgent requirements, our emergency delivery service can have bearings on-site in 48-72 hours—keeping your lines running and your deadlines on track.
Q: Are these 100% genuine SKF bearings?
A: Yes. As an official SKF distributor, we provide full traceability documentation for every bearing, including brand authorization certificates and batch test reports.
Q: How can I confirm the 30205-J2/Q or 30310-J2/Q is compatible with my equipment?
A: Our SKF-certified technical team can verify compatibility using your equipment model, operating conditions, or existing bearing dimensions. Contact us with these details for a free consultation.
Q: What is the warranty policy for these bearings?
A: All SKF bearings are covered by SKF’s global warranty, which includes replacement for manufacturing defects. We provide full after-sales support for warranty claims.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, making us ideal for both emergency repairs and large-scale
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.