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/C3 for Machine Tool Spindle High Precision
Double Row Angular Contact Ball Bearing 3318 A/C3 for Machine Tool Spindle High Precision
In Stock · Ready to Ship
<p>Ensure peak machine tool spindle performance with the <strong>SKF 3318 A/C3</strong> double row angular contact ball bearing, engineered to deliver exceptional precision and load handling for high-speed machining operations. This bearing eliminates common production bottlenecks by maintaining tight radial and axial runout tolerances, ensuring consistent part quality and reducing unplanned downtime.</p><ul><li>Double row design provides 20-30% higher load capacity than single row alternatives, ideal for heavy-duty spindle applications</li><li>Precision rating options (P4/P5) minimize vibration at critical speeds, extending tool life and improving surface finish</li><li>SKF-certified traceability guarantees authenticity, supporting seamless compliance with export documentation requirements</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/C3 for Machine Tool Spindle High Precision -- 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 |
| Trademark | SKF |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools, Precision Spindles, Machining Centers |
| Industrial Machinery | Grinders, Lathes, Milling Machines |
Stop Spindle Failures — Genuine SKF 3318 A/C3 Bearings for Machine Tool Precision
Machine tool operators know the cost of unexpected spindle downtime: lost production hours, missed deadlines, and costly repairs. Gray-market bearings often fail prematurely, with incomplete traceability documents causing customs delays and quality disputes. Multi-tier distribution channels stretch delivery times by 30–50%, making it hard to align with tight production schedules.
SKF 3318 A/C3 Bearings: In Stock and Ready to Ship
As an official SKF distributor, we provide 100% genuine double row angular contact ball bearings with full traceability. Our large centralized warehouse ensures stable bulk supply, while SKF-certified technical teams verify that each 3318 A/C3 bearing meets ISO 9001 standards. Designed for machine tool spindles, this high precision bearing delivers the reliability needed for continuous production.
Where This Bearing Performs
The SKF 3318 A/C3 excels in high-speed, precision applications like machine tool spindles. Its double row angular contact design handles both radial and axial loads, maintaining accuracy even under varying operating conditions. Whether in CNC lathes or machining centers, this bearing ensures consistent performance in critical manufacturing processes.
Technical Details That Define Performance
Precision rating options (P0 to P6) allow customization for specific spindle requirements—higher precision grades reduce runout, critical for tight tolerance machining. The steel, copper, or nylon cage options optimize performance: steel cages handle higher temperatures, while nylon cages reduce noise in high-speed applications. Radial load capacity combined with angular contact geometry enables the bearing to support combined loads, a key feature for spindle stability. Lubrication with oil or grease ensures smooth operation across different speed ranges.
The True Cost of Counterfeit Bearings
Counterfeit machine tool spindle bearings may seem cheaper upfront, but they often lead to hidden costs. Early failure can cause spindle damage, requiring replacement parts and unplanned downtime. In contrast, genuine SKF 3318 A/C3 bearings reduce total cost of ownership through longer service life and consistent performance. Our traceable supply chain eliminates customs clearance issues, ensuring your production line stays operational.
Why Buyers Trust Us
We operate as an official SKF authorized distributor, with every bearing traceable to the original manufacturing batch. Our ISO 9001 compliant quality management includes full-process inspections, from incoming stock to final shipment. With a SKF-certified technical team, we provide application-specific guidance, from model selection to installation support. Serving over 60 countries, our global logistics network offers door-to-door delivery, with dedicated account managers tracking every order.
Packaging & Shipping
- Original SKF packaging with carton pallet reinforcement for secure transport
- Stock items shipped within 3–7 working days
- Flexible logistics options: DHL, FedEx, UPS, air freight, or sea freight
- Real-time tracking numbers provided for all shipments
- Minimum order quantity of 1 unit, supporting emergency repairs and small-batch needs
Get Your SKF 3318 A/C3 Bearing Today
Don’t let spindle downtime disrupt your production. Send us your bearing model list, spindle specifications, and order volume to receive a formal quotation within 24 hours. Our team can also arrange sample testing to verify performance before full-scale orders.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with full traceability documentation and brand certification.
Q: How do I confirm if the 3318 A/C3 fits my machine tool spindle?
A: Provide your spindle model or operating parameters (speed, load, temperature), and our SKF-certified technical team will verify compatibility.
Q: What is the warranty policy?
A: All bearings come with SKF's standard manufacturer warranty, covering manufacturing defects with unconditional replacement.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, ideal for emergency repairs or small-batch requirements.
Q: How long does shipping take?
A: In-stock bearings ship within 3–7 working days. Logistics options include DHL, FedEx, UPS, air, or sea freight based on your needs.
Q: How can I verify the bearing's authenticity?
A: Each bearing includes SKF's original packaging withé˜²ä¼ªæ ‡ç¾, laser marking, and traceability certificates. We can also provide verification support through SKF's official channels.
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