Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
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100% Genuine SKF
Full Traceability
ISO 9001 Certified
SKF Authorized
Angular Contact Bearing
Reliable SKF Double Row Angular Contact Ball Bearing 3318 A Tn9/C3 for Motor Gearbox
Reliable SKF Double Row Angular Contact Ball Bearing 3318 A Tn9/C3 for Motor Gearbox
In Stock · Ready to Ship
<p>Ensure your motor gearbox operates with unwavering precision using the <strong>SKF 3318 A Tn9/C3 bearing</strong>, a double row angular contact solution engineered to deliver consistent performance under heavy radial and axial loads. Its Tn9 polyamide cage reduces friction and heat buildup, extending service life in high-torque applications while maintaining C3 clearance for optimal thermal expansion management.</p><ul><li>Eliminates unexpected downtime risks with 100% genuine SKF certification and full batch traceability, ensuring seamless integration into critical production lines</li><li>Precision-machined bearing steel construction guarantees reliable power transmission, making it ideal for industrial gearboxes requiring stable rotational accuracy</li></ul>
Bore (d)
--
Outer Dia. (D)
--
Width (B)
--
Dynamic C
--
Static Câ‚€
--
Speed Limit
--
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
Full Specifications
Complete Technical Parameters
Reliable SKF Double Row Angular Contact Ball Bearing 3318 A Tn9/C3 for Motor Gearbox -- Parameter Sheet
SKF · Angular Contact Bearing
| Parameter | Value | Unit / Note |
|---|---|---|
| Bearing Series | -- | Angular Contact 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. | -- | -- |
* All specifications are reference values. Contact our SKF engineers for application-specific confirmation.
Application Scenarios
Compatible Industrial Applications
Engineered for demanding industrial environments, this SKF bearing series delivers reliable performance across a wide range of heavy-duty and precision applications.
Power Generation
Wind turbines, generators, gearboxes, and turbine main shafts.
Heavy Machinery
Cranes, presses, rolling mills, and large industrial gearboxes.
Marine & Offshore
Ship propulsion systems, deck machinery, and offshore platforms.
Cement & Construction
Kiln drives, ball mills, bucket elevators, and vibrating screens.
Pulp & Paper
Paper machine rolls, dryer sections, and calender rolls.
Full Portfolio
One-Stop SKF Supporting Solutions
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Bearings: Deep Groove · Spherical · Cylindrical · Tapered · Thrust · Angular Contact
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Sealing: Radial shaft seals · V-rings · Labyrinth seals · Bearing isolators
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Lubrication: LGMT 2/3 grease · Automatic lubricators · Centralized systems
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Mounting Tools: Induction heaters · Fitting kits · TMFT 36 · Alignment tools
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Housings: Plummer blocks · Flanged housings · Split housings · Adaptor sleeves
Need Application Advice?
SKF-Certified Engineer
Selection · Failure analysis · Technical support
Technical Expertise
SKF Global Standards & Supporting Solutions
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.
Internal Design
SKF E1 Geometry
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.
ISO / ABEC Standards
Precision Tolerance
Manufactured to ISO P0-P6 tolerance classes. Dimensional accuracy and running accuracy are 100% verified before shipment, with full batch traceability records.
SKF Sealing Systems
Sealing Solutions
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.
SKF Lubrication Systems
Lubrication Planning
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.
SKF Maintenance Tools
Mounting & Alignment
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.
Predictive Maintenance
Condition Monitoring
SKF Microlog and Enlight sensors for vibration, temperature, and speed monitoring. Enable predictive maintenance strategies to minimize unplanned downtime and optimize bearing replacement intervals.
Product Details
Product Specifications
| Parameter | Details |
|---|---|
| Model Designation | 3318 A Tn9/C3 |
| Bearing Type | Double Row Angular Contact Ball Bearing |
| Separable | Separated |
| Number of Rows | Double |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Precision Rating | P0, P2, P4, P5, P6 |
| Structure | Angular Contact |
| Cage | Steel Cage, Copper Cage, Nylon Cage (Tn9) |
| Lubrication | Oil, Grease |
| Clearance | C3 |
| Trademark | SKF |
| Condition | New Original |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Industrial Manufacturing | Motor Gearboxes, Reducers, Transmission Systems |
| Automotive | Electric Vehicle Drive Units, Power Train Components |
| General Machinery | Conveyors, Pumps, Fans, Compressors |
| Heavy Industry | Material Handling Equipment, Industrial Gearboxes |
Prevent Gearbox Failures with Genuine SKF 3318 A Tn9/C3 Double Row Angular Contact Ball Bearing
Motor gearboxes are critical assets where unexpected downtime can cost thousands in lost production. Many manufacturers face the same problem: gray-market bearings that fail prematurely, incomplete traceability documents causing customs delays, and suppliers who can’t meet urgent delivery needs for replacement parts. When a gearbox bearing fails, it’s not just the component cost— it’s the hours of production halted and the maintenance team’s overtime to fix the issue.
Genuine SKF 3318 A Tn9/C3 Bearings: In Stock and Traceable
As an official SKF distributor, we ensure every SKF 3318 A Tn9/C3 bearing comes with full traceability documentation, eliminating counterfeit risks and customs clearance obstacles. Our large centralized warehouse stocks this double row angular contact ball bearing, meaning we can fulfill orders quickly to keep your production lines running. Designed specifically for motor gearboxes, this bearing handles radial and axial loads efficiently, making it ideal for high-torque applications.
Optimal Performance in Motor Gearbox Applications
The SKF 3318 A Tn9/C3 bearing excels in motor gearboxes operating under moderate to high speeds and continuous load conditions. Its double row design provides higher radial load capacity compared to single row bearings, while the angular contact configuration manages axial forces generated during gear meshing. Whether your gearbox is used in conveyor systems, industrial machinery, or automotive drive units, this bearing delivers consistent performance under varying operating temperatures and load cycles.
Technical Features That Ensure Reliability
The C3 clearance of the SKF 3318 A Tn9/C3 bearing allows for thermal expansion during operation, preventing premature failure due to tight fitting in high-temperature environments. The Tn9 cage, typically made of polyamide, reduces friction and improves lubricant distribution, extending bearing life in high-speed applications. With precision ratings from P0 to P6, this bearing meets strict tolerance requirements, ensuring minimal vibration and noise in gearbox assemblies. The bearing steel construction provides excellent durability, resisting wear even in heavy-duty industrial settings.
Why Genuine SKF Bearings Reduce Total Cost of Ownership
Choosing genuine SKF 3318 A Tn9/C3 bearings over counterfeit alternatives lowers long-term costs significantly. Counterfeit bearings often lack proper material heat treatment, leading to early fatigue and gearbox failures that require costly repairs. In contrast, SKF bearings undergo rigorous testing to meet ISO 9001 and SKF global standards, ensuring reliable performance and longer service intervals. The cost of a genuine bearing is minimal compared to the production losses from a single gearbox breakdown— especially when multiplied across your facility’s equipment.
Our Commitment to Your Production Reliability
With over 60 countries served, our authorized distribution network guarantees 100% genuine SKF products with certification. Our SKF-certified technical team provides free model selection support, ensuring you get the right bearing for your gearbox specifications. We maintain large inventory levels to support emergency deliveries, with dedicated account managers tracking every order from warehouse to your doorstep. Our full-process quality management includes pre-shipment inspections, ensuring each bearing meets SKF’s strict performance standards before it leaves our facility.
Packaging & Shipping
- Original SKF packaging withé˜²ä¼ªæ ‡ç¾ and product certification
- Standard delivery: 3-7 business days for in-stock items
- Global logistics options: DHL, FedEx, UPS, air freight, and sea freight
- Real-time tracking number provided once shipment is dispatched
- Minimum order quantity: 1 piece, suitable for both emergency repairs and bulk procurement
Get Your SKF 3318 A Tn9/C3 Bearing Today
Don’t let gearbox downtime disrupt your production schedule. Send us your bearing model number, gearbox specifications, and required quantity, and we’ll provide a formal quotation within 24 hours. With our stock availability and fast shipping, you can replace worn bearings quickly and avoid extended downtime.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every SKF 3318 A Tn9/C3 bearing comes with full traceability documentation and brand certification to verify authenticity.
Q: How do I confirm this bearing fits my gearbox?
A: Provide your gearbox model, operating speed, and load conditions. Our SKF-certified technical team will verify compatibility and provide expert选型 guidance at no cost.
Q: What is the warranty policy?
A: All SKF bearings are covered by the manufacturer’s warranty, which includes replacement for manufacturing defects. We handle all warranty claims directly with SKF for efficient resolution.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, making it easy to source emergency replacement bearings or test samples before placing bulk orders.
Q: How quickly can you ship this bearing?
A: In-stock SKF 3318 A Tn9/C3 bearings are shipped within 24 hours of order confirmation, with delivery in 3-7 business days via global express logistics.
Q: How can I verify the bearing’s authenticity upon receipt?
A: Check the packaging for SKF’s holographicé˜²ä¼ªæ ‡ç¾, scan the QR code to access traceability records, and verify the laser-etched part number matches the 3318 A Tn9/C3 designation. We also provide official authorization documents upon request.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
Authenticity & Warranty
Genuine SKF Traceability & Quality Commitment
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.
SKF Certificate of Origin
Every shipment includes official SKF certification of origin, verifying product authenticity and manufacturing source.
Batch Traceability Records
Full production batch traceability maintained for minimum 5 years. Enables quality audit and failure investigation.
SKF Authorized Distributor Status
Verified annually by SKF. Our authorized status can be confirmed directly through the SKF distributor verification system.
Quality Warranty
All products carry SKF manufacturer warranty. Defective products are replaced or refunded -- no questions asked.
Anti-Counterfeit Verification
SKF QR code and holographic seal on every package. Verify authenticity instantly via SKF's official verification portal.
Authorized Distributor
DY
Shanghai Dunyu Bearing
Official SKF Authorized Distributor
- Auth. Since
- 2010+
- Quality Std.
- ISO 9001
- Coverage
- Full SKF Portfolio
- Verification
- SKF Global Portal
ISO 9001
SKF Authorized
Full Traceability
Logistics & Packaging
Packaging & Global Shipping
Original SKF Packaging
All products shipped in original SKF packaging with anti-counterfeit seal, QR code, and batch label intact.
Export Carton + Wooden Crate
Standard export carton for small orders. Custom wooden crates with moisture-proof lining for large/heavy shipments.
Multi-Modal Shipping
Sea freight (FCL/LCL), air freight, and express (DHL/FedEx/UPS). DDP, DAP, CIF, FOB terms all supported.
Delivery Timeline
In-stock items: 1-3 days dispatch. Air freight: 3-7 days door-to-door. Sea freight: 15-35 days by destination.
Shipping Terms & Regions
| 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 |
Related Products
Related Models & Supporting Components
FAQ
Frequently Asked Questions
How do I verify the product is 100% genuine SKF?
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.
What is the minimum order quantity (MOQ)?
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.
How long does it take to receive a formal quotation?
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.
Do you support DDP (Delivered Duty Paid) shipping?
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.
Can you provide technical support for bearing selection?
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.
What are the payment terms?
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.
What happens if I receive a defective product?
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 →
Start Your Procurement
Get a Formal Quote
Within 24 Hours.
Send us your bearing model, quantity, and delivery requirements. Our SKF-certified team will respond with a formal quotation, traceability certificate, and logistics plan.
- 100% Genuine SKF with Certificate of Origin
- Formal quotation within 24 hours
- Sample orders & bulk supply supported
- DDP/DAP/CIF to 60+ countries
- Dedicated SKF-certified account manager
Send Inquiry -- SKF Bearing Specialist Online