Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
Main View
100% Genuine SKF
Full Traceability
ISO 9001 Certified
SKF Authorized
Angular Contact Bearing
Double Row Angular Contact Ball Bearing 3312 A/C3 High Precision for Machine Tool Spindle
Double Row Angular Contact Ball Bearing 3312 A/C3 High Precision for Machine Tool Spindle
In Stock · Ready to Ship
<p>Boost your machine tool spindle's precision and reliability with the <strong>3312 A/C3 bearing</strong>, a high-performance double row angular contact solution engineered for demanding industrial applications. As an official SKF authorized distributor, we ensure full traceability and batch consistency, eliminating the risks of counterfeit products and documentation gaps that can disrupt your production.</p><ul><li>Precision rating options (P0-P6) deliver tight runout control, critical for maintaining spindle accuracy during high-speed operations</li><li>Double row angular contact design handles combined radial and axial loads, reducing vibration and extending tool life</li><li>Available with steel, copper, or nylon cages to match specific operating conditions, from heavy-duty machining to high-temperature environments</li></ul><p>Our technical team provides expert model selection support to ensure optimal performance—let’s keep your production line running smoothly, from sample testing to bulk supply.</p>
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 High Precision for Machine Tool Spindle -- 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
-
Bearings: Deep Groove · Spherical · Cylindrical · Tapered · Thrust · Angular Contact
-
Sealing: Radial shaft seals · V-rings · Labyrinth seals · Bearing isolators
-
Lubrication: LGMT 2/3 grease · Automatic lubricators · Centralized systems
-
Mounting Tools: Induction heaters · Fitting kits · TMFT 36 · Alignment tools
-
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 |
|---|---|
| Manufacturing | CNC Machine Tools, Precision Spindles, Machining Centers |
| Automotive | Transmission Systems, Gearboxes, Electric Motors |
| Industrial Machinery | Robotics, Printing Presses, Textile Machinery |
Prevent Spindle Failures with SKF 3312 A/C3 High Precision Angular Contact Bearing
Machine tool operators know the cost of unexpected downtime—hours of lost production, missed deadlines, and expensive repairs when bearings fail prematurely. Counterfeit bearings from unauthorized channels often lack proper material quality and precision, leading to vibration issues and shortened service life. Multi-tier distribution networks further delay critical replacements, leaving your spindle idle when you need it most.
Genuine SKF 3312 A/C3 Bearings in Stock for Immediate Delivery
As an official SKF authorized distributor, we provide 100% genuine double row angular contact ball bearings with full traceability documentation, eliminating the risk of counterfeits. Our large centralized warehouse stocks the 3312 A/C3 bearing, designed specifically for high-precision machine tool spindles, ensuring you get the right part when you need it. Every unit undergoes rigorous quality checks compliant with ISO 9001 and SKF global standards, guaranteeing consistent performance.
Optimal Performance in High-Speed Spindle Applications
The SKF 3312 A/C3 double row angular contact bearing excels in machine tool spindles operating under combined radial and axial loads. Its angular contact design enables precise alignment, while the C3 clearance class accommodates thermal expansion during high-speed rotation. This makes it ideal for CNC lathes, milling machines, and grinders where accuracy and reliability directly impact workpiece quality and production efficiency.
Key Technical Features That Ensure Spindle Reliability
The bearing's double row construction increases radial load capacity compared to single row designs, supporting heavier cutting operations. Available precision ratings from P0 to P2 allow customization for applications requiring tight runout tolerances—critical for maintaining spindle concentricity. Multiple cage options (steel, copper, nylon) provide flexibility: steel cages offer high strength for heavy loads, while nylon cages reduce friction and noise in high-speed scenarios. The bearing steel material ensures durability, with oil-grease lubrication compatibility to suit various operating conditions.
Avoid Hidden Costs of Non-Genuine Bearings
Choosing unauthorized 3312 A/C3 bearings may seem cost-effective initially, but the true expense becomes clear when premature failure occurs. A single spindle breakdown can cost thousands in lost production and repair parts, not to mention the risk of damaged workpieces. Our genuine SKF bearings come with complete traceability documentation, ensuring compliance with export requirements and reducing customs clearance delays. By investing in authentic components, you lower total cost of ownership through longer service intervals and fewer unplanned stoppages.
Why Global Manufacturers Trust Our Bearing Supply
With over a decade serving 60+ countries, we deliver more than just bearings—we provide peace of mind. Our SKF-certified technical team offers free model selection support, helping you confirm the 3312 A/C3 is the right choice for your spindle specifications. We maintain dedicated inventory for long-term OEM partners, with a standardized 4-step cooperation process that includes 24-hour quotations, sample testing, and full-cycle order tracking. Our global door-to-door logistics network ensures timely delivery, whether you need a single emergency replacement or bulk production supply.
Packaging & Shipping
- Original SKF packaging with brand authentication labels and batch traceability documentation
- Expedited processing for in-stock items, with delivery within 3-7 business days
- Flexible shipping options including DHL, FedEx, UPS, air freight, and sea freight
- Real-time tracking numbers provided upon dispatch for full supply chain visibility
- Minimum order quantity of 1 unit, supporting both emergency repairs and small-batch trials
Secure Your Spindle Performance Today
Don’t let bearing issues disrupt your production schedule. The SKF 3312 A/C3 high precision angular contact bearing is ready to ship—send us your order details now and minimize downtime. Every day your spindle is operational translates to completed orders and satisfied customers.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every 3312 A/C3 bearing comes with full traceability documentation and brand certification to confirm authenticity.
Q: How do I confirm if this bearing fits my machine tool spindle?
A: Provide your spindle 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 your warranty policy?
A: All bearings are covered by SKF's official warranty, which includes replacement for manufacturing defects. We handle the entire warranty claim process for your convenience.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit, making us ideal for emergency repairs as well as large-scale production requirements.
Q: How quickly can you ship the 3312 A/C3 bearing?
A: In-stock bearings are processed within 24 hours, with delivery typically taking 3-7 business days via express courier to most global destinations.
Q: How can I verify the bearing's authenticity upon receipt?
A: Check the SKF packaging for holographic labels, scan the QR code for online verification, and cross-reference the batch number with the provided traceability certificate. Our team can assist with verification if needed.
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