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 3312 A/C3 for Machine Tool Spindle High Precision
Double Row Angular Contact Ball Bearing 3312 A/C3 for Machine Tool Spindle High Precision
In Stock · Ready to Ship
<p>Ensure your machine tool spindle operates with uncompromising precision and stability using the <strong>SKF 3312 A/C3 Double Row Angular Contact Ball Bearing</strong>, engineered to minimize vibration and extend service life in high-speed cutting applications. This C3 clearance bearing maintains optimal radial and axial load balance, critical for maintaining tight tolerances in CNC machining centers and precision grinders.</p><ul><li>Double row design delivers 20% higher rigidity than single row alternatives, reducing tool deflection under heavy cutting loads</li><li>SKF-certified bearing steel construction ensures consistent batch performance, eliminating unexpected downtime from quality variations</li><li>Precision-machined steel cage reduces friction at speeds up to 8,000 RPM, ideal for continuous-duty spindle applications</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 3312 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 |
| Specification | As Your Request |
| Trademark | SKF |
| Origin | Jiangsu China |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools, Spindles, Precision Machining Centers |
| Industrial Machinery | Grinders, Lathes, Milling Machines |
| Automotive | Precision Gearboxes, Machine Tool Spindles |
Eliminate Spindle Downtime with SKF 3312 A/C3 High Precision Bearings
Machine tool operators know the frustration: unexpected spindle failure halts production, while counterfeit bearings from gray markets often fail prematurely, costing thousands in downtime and repairs. Multi-tier distribution channels stretch delivery times by 30-50%, making it nearly impossible to align with tight production schedules.
Genuine SKF 3312 A/C3 Bearings, In Stock and Traceable
As an official SKF authorized distributor, we provide the Double Row Angular Contact Ball Bearing 3312 A/C3 with full traceability documentation, eliminating customs clearance obstacles and quality disputes. Our large centralized warehouse ensures stable bulk supply, while fast emergency delivery options help you minimize production line shutdowns.
Optimal Performance in Machine Tool Spindles
Designed for high precision machine tool spindles, the SKF 3312 A/C3 excels in applications requiring both radial and axial load capacity. Its double row angular contact design delivers superior rigidity and accuracy, critical for maintaining tight tolerances in high-speed machining operations. Whether used in CNC lathes or precision grinders, this bearing ensures consistent performance under continuous operation.
Technical Features That Matter
The SKF 3312 A/C3 incorporates several key technical attributes that directly impact spindle performance. Its C3 clearance rating provides optimal internal play for thermal expansion during high-speed rotation, reducing friction and extending bearing life. Available precision ratings from P0 to P2 allow customization for specific accuracy requirements, with P2 grade ideal for high-precision machining centers. The bearing's steel, copper, or nylon cage options further tailor performance—steel cages offer durability for heavy loads, while nylon cages reduce noise in high-speed applications.
Why Authenticity Drives Total Cost of Ownership
Choosing genuine SKF 3312 A/C3 bearings over counterfeit alternatives directly impacts your bottom line. Counterfeit bearings often lack proper heat treatment, leading to early fatigue failure and potential damage to expensive spindle components. In contrast, our 100% genuine SKF bearings, compliant with ISO 9001 standards, deliver predictable service life and reduce long-term maintenance costs. With complete traceability documentation, you avoid the hidden expenses of quality disputes and production delays.
Our Commitment to Reliable Supply
With over a decade serving 60+ countries, we've built our reputation on four pillars of reliability: official SKF authorization ensuring full product traceability, a SKF-certified technical team providing expert选型 support, a large centralized warehouse for stable inventory, and global door-to-door logistics for on-time delivery. Every bearing undergoes pre-shipment inspection, and our dedicated account managers track orders from warehouse to your facility, keeping you informed at every step.
Packaging & Shipping
- Original SKF packaging with authentication labels and batch documentation
- Expedited shipping available for emergency orders
- Global logistics options including DHL, FedEx, UPS, air, and sea freight
- Real-time tracking provided for all shipments
- Flexible order quantities from single units to bulk production runs
Get Your Spindle Back to Work
Don't let bearing issues disrupt your production schedule. Send us your bearing requirements, including quantity and application details, and our team will provide a formal quotation with certification within 24 hours. With our ready inventory, you can minimize downtime and get your machine tools back to peak performance quickly.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with complete traceability documentation and brand authorization certificates.
Q: How do I confirm if the 3312 A/C3 is suitable for my machine spindle?
A: Our SKF-certified technical team can assist with选型 based on your spindle specifications, load requirements, and operating conditions. Provide your equipment details for a free compatibility check.
Q: What is your warranty policy?
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 both emergency repairs and bulk production needs.
Q: How long does shipping take?
A: In-stock items ship within 3-7 business days. Expedited options are available for urgent requirements.
Q: How can I verify the authenticity of the bearings?
A: Each bearing includes SKF's original packaging with security features, laser-etched part numbers, and batch codes. We also provide full traceability documents for verification 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