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
Double Row Angular Contact Ball Bearing 3318-a for Heavy Vehicle Equipment with Steel Cage
Double Row Angular Contact Ball Bearing 3318-a for Heavy Vehicle Equipment with Steel Cage
In Stock · Ready to Ship
<p>Ensure uninterrupted heavy vehicle operations with the <strong>Double Row Angular Contact Ball Bearing 3318-a</strong>, engineered to deliver exceptional radial and axial load handling for demanding equipment. As an official SKF distributor, we guarantee 100% genuine bearings with full traceability documentation, eliminating compliance hurdles in global supply chains.</p><ul><li>Steel cage construction enhances durability under high torque conditions, outperforming nylon alternatives in heavy-duty applications</li><li>Precision ratings from P0 to P6 accommodate diverse operational tolerances, ensuring seamless integration with your existing machinery</li><li>Double row angular contact design minimizes vibration transfer, extending equipment lifespan and reducing maintenance downtime</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
Double Row Angular Contact Ball Bearing 3318-a for Heavy Vehicle Equipment with Steel Cage -- 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 NO. | Double Row Angular Contact Ball Bearing |
| Separated | Separated |
| Rows Number | Double |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Precision Rating | P0 P2 P4 P5 P6 |
| Type | Ball |
| Structure | Angular Contact |
| Cage | Steel Cage.Copper Cage.Nylon Cage |
| Lubrication | Oil Grease |
| Transport Package | Carton Pallet |
| Specification | As Your Request |
| Trademark | SKF |
| Origin | Jiangsu China |
| Production Capacity | 1000000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Automotive | Heavy-Duty Trucks, Buses, Construction Vehicles |
| Construction | Excavators, Loaders, Cranes |
| Agriculture | Harvesters, Tractors, Agricultural Machinery |
| Industrial Machinery | Transmission Systems, Gearboxes, Axles |
Eliminate Equipment Downtime with Genuine SKF 3318-a Double Row Angular Contact Ball Bearing
Heavy vehicle OEMs and maintenance teams often face unexpected production halts due to counterfeit bearings failing prematurely. Incomplete traceability documents create customs clearance delays, while multi-tier distribution channels stretch delivery times by 30-50%, disrupting production schedules and causing line shutdown losses.
SKF 3318-a: Reliable Performance for Heavy Vehicle Equipment
As an official SKF authorized distributor, we provide the Double Row Angular Contact Ball Bearing 3318-a with full traceability, ensuring you receive 100% genuine products certified to meet SKF global standards. Our large centralized warehouse maintains stock for fast emergency delivery, minimizing downtime for your heavy vehicle transmission systems and axles.
Engineered for Heavy-Duty Vehicle Applications
The SKF 3318-a is designed to withstand the radial and axial loads common in heavy vehicle equipment. Its double row angular contact structure delivers enhanced rigidity and load-carrying capacity, making it ideal for high-stress applications such as truck gearboxes, construction vehicle axles, and agricultural machinery transmissions. The steel cage option ensures durability under continuous operation in demanding environments.
Key Technical Features Driving Performance
The bearing's precision rating options (P0 to P6) allow customization based on application requirements—higher precision grades (P4, P5) reduce vibration and noise in high-speed gearboxes, while standard grades (P0) offer cost-effective solutions for general machinery. The separated design facilitates easy installation and maintenance, a critical advantage for field service teams. Constructed from high-quality bearing steel, it delivers consistent performance under varying temperature conditions, supported by both oil and grease lubrication options to suit specific operating environments.
Why Genuine SKF Bearings Reduce Total Cost of Ownership
Counterfeit bearings may offer lower upfront costs, but they often fail within 30-50% of the expected service life of genuine SKF products. This leads to repeated replacement cycles, increased labor costs, and unplanned downtime—costs that far exceed the initial savings. Our SKF 3318-a bearings comply with ISO 9001 standards and SKF's rigorous quality management, ensuring predictable performance and reducing long-term maintenance expenses for heavy vehicle fleets and equipment operators.
Our Commitment to Reliable Supply
With over 60 countries served, our authorized partnership with SKF guarantees full product traceability—each bearing comes with certification documents linking it to SKF's global supply chain. Our SKF-certified technical team provides application-specific support, from model selection to failure analysis, eliminating the need for independent technical resources. We maintain dedicated inventory for long-term partners and offer a standardized OEM cooperation process, including sample testing and small-batch trials, to ensure compatibility before mass production.
Packaging & Shipping
- Original SKF packaging with carton pallet for secure transportation
- Stock availability for 3-7 business day delivery on most orders
- Global door-to-door logistics via DHL, FedEx, UPS, air, or sea freight
- Real-time tracking provided for all shipments
- Minimum order quantity of 1 unit, supporting both emergency repairs and bulk procurement
Get Your SKF 3318-a Bearing Today
Don't let equipment downtime impact your production targets. Send us your bearing model list, application parameters, and order volume to receive a formal quotation within 24 hours. Our dedicated account managers will guide you through sample testing, inventory reservation, and delivery, ensuring your heavy vehicle equipment stays operational.
Frequently Asked Questions
Q: Is this a genuine SKF product?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with full traceability documentation and brand authorization certificates to confirm authenticity.
Q: How do I confirm the SKF 3318-a is suitable for my equipment?
A: Provide your equipment model, operating conditions (load, speed, temperature), and application details. Our SKF-certified technical team will verify compatibility and offer personalized recommendations.
Q: What is the warranty policy for this bearing?
A: We adhere to SKF's global warranty standards, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, supporting emergency maintenance needs and small-batch trials.
Q: How long does shipping take?
A: In-stock items ship within 3-7 business days. We offer flexible logistics options including express courier, air, and sea freight to meet your timeline requirements.
Q: How can I verify the bearing's authenticity?
A: Genuine SKF bearings feature laser-etched markings, secure packaging withé˜²ä¼ªæ ‡ç¾, and unique serial numbers that can be verified through SKF's official channels. We provide complete traceability documents with every order.
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