Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure uninterrupted industrial equipment performance with the <strong>SKF 3312 A-2Z/C3</strong> double row angular contact ball bearing, engineered to deliver exceptional radial and axial load handling in heavy-duty applications. As an authorized SKF distributor, we guarantee full traceability documentation to streamline your supply chain and eliminate compliance hurdles.</p><ul><li>Double row angular contact design provides superior rigidity for high-precision machinery, reducing vibration-related downtime</li><li>Steel cage construction ensures durability under extreme operating conditions, extending service life compared to standard bearings</li><li>2Z sealed configuration minimizes lubrication loss and contamination, maintaining optimal performance in harsh industrial environments</li></ul>
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
| 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. | -- | -- |
Engineered for demanding industrial environments, this SKF bearing series delivers reliable performance across a wide range of heavy-duty and precision applications.
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
Wind turbines, generators, gearboxes, and turbine main shafts.
Cranes, presses, rolling mills, and large industrial gearboxes.
Ship propulsion systems, deck machinery, and offshore platforms.
Kiln drives, ball mills, bucket elevators, and vibrating screens.
Paper machine rolls, dryer sections, and calender rolls.
Need Application Advice?
SKF-Certified Engineer
Selection · Failure analysis · Technical support
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.
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.
Manufactured to ISO P0-P6 tolerance classes. Dimensional accuracy and running accuracy are 100% verified before shipment, with full batch traceability records.
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.
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.
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.
SKF Microlog and Enlight sensors for vibration, temperature, and speed monitoring. Enable predictive maintenance strategies to minimize unplanned downtime and optimize bearing replacement intervals.
| 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 |
| Origin | Jiangsu China |
| Industry | Typical Equipment |
|---|---|
| General Machinery | Electric Motors, Gearboxes, Pumps, Compressors |
| Industrial Manufacturing | Conveying Systems, Machine Tools, Production Line Equipment |
| Automotive | Transmission Systems, Steering Mechanisms, Engine Components |
| Belt & Road Infrastructure | Heavy-Duty Construction Machinery, Material Handling Equipment |
Counterfeit bearings cause 40% of unplanned industrial downtime, with average losses of $22,000 per hour for manufacturing lines. Multi-tier distribution channels stretch delivery times by 30-50%, leaving maintenance teams waiting while production stalls. Even genuine bearings from non-specialized suppliers often lack the technical documentation needed for export compliance, risking customs delays and quality disputes.
As an official SKF distributor, we stock the Heavy Duty SKF 3312 A-2Z/C3 double row angular contact ball bearing to eliminate these pain points. Our centralized warehouse ensures immediate availability for emergency repairs, while full traceability documentation—including batch certificates and brand authorization—guarantees compliance with global export standards. This bearing excels in high-load industrial equipment such as electric motor spindles, gearboxes, and conveyor systems, where reliable radial load handling is critical.
The SKF 3312 A-2Z/C3 double row angular contact ball bearing is designed to thrive in demanding industrial environments. Its double row structure delivers superior radial load capacity, making it ideal for equipment subjected to continuous heavy loads and moderate axial forces. With a separated design for easy mounting and maintenance, this bearing performs reliably in temperatures ranging from -30°C to 120°C, suitable for both indoor manufacturing facilities and outdoor industrial sites.
Precision rating options (P0 to P6) allow customization for specific application requirements—P5 grade minimizes vibration in high-speed machinery, while P0 offers cost-effective reliability for general industrial use. The steel, copper, or nylon cage materials provide flexibility: steel cages excel in high-temperature applications, nylon reduces noise in precision equipment, and copper enhances durability under heavy loads. Pre-lubricated with high-performance oil grease, the bearing arrives ready for immediate installation, reducing maintenance time and ensuring consistent performance from startup.
Non-genuine bearings may cost 30% less upfront but fail 5-7 times faster, leading to repeated replacement cycles and unplanned downtime. Genuine SKF 3312 A-2Z/C3 bearings, produced under ISO 9001 and SKF global standards, deliver up to 3x longer service life, reducing long-term costs. Our full-process quality management includes incoming material inspection and pre-shipment testing, ensuring each bearing meets SKF's strict performance criteria and eliminating the risk of premature failure in critical equipment.
With 15+ years as an authorized SKF distributor, we serve 60+ countries worldwide, supporting industrial OEMs, EPC procurement teams, and maintenance service providers. Our SKF-certified technical team offers free application analysis, helping you select the optimal bearing for your specific load, speed, and temperature requirements. We maintain $5M+ in inventory across 10,000+ SKF product lines, enabling same-day shipping for urgent orders. Every bearing comes with a manufacturer-backed warranty and complete traceability documentation, from production batch to delivery.
Every hour of equipment downtime costs your operation thousands in lost production. Our in-stock SKF 3312 A-2Z/C3 bearings are ready to ship, with technical support available to confirm compatibility. Send your order details now, and our team will process your request within 24 hours—no delays, no counterfeits, just reliable performance you can trust.
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Each bearing comes with full traceability documentation, including brand authorization certificates and batch test reports, ensuring authenticity.
Q: How do I confirm if this bearing fits my equipment?
A: Provide your equipment model, operating speed, load requirements, and temperature range. Our SKF-certified technical team will verify compatibility and recommend the optimal configuration.
Q: What is the warranty policy?
A: All SKF bearings are covered by the manufacturer's warranty against defects in materials and workmanship. We provide full after-sales support for warranty claims and replacement.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit, making it easy to source emergency replacement parts or test samples before bulk procurement.
Q: How quickly can you ship?
A: In-stock bearings ship within 24 hours of order confirmation. Delivery takes 3-7 business days to most industrial regions via express courier.
Q: How can I verify the bearing's authenticity?
A: Each bearing includes SKF's unique packaging with holographic labels and serial numbers. We also provide original certification documents that can be verified 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.
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.
Every shipment includes official SKF certification of origin, verifying product authenticity and manufacturing source.
Full production batch traceability maintained for minimum 5 years. Enables quality audit and failure investigation.
Verified annually by SKF. Our authorized status can be confirmed directly through the SKF distributor verification system.
All products carry SKF manufacturer warranty. Defective products are replaced or refunded -- no questions asked.
SKF QR code and holographic seal on every package. Verify authenticity instantly via SKF's official verification portal.
Authorized Distributor
Shanghai Dunyu Bearing
Official SKF Authorized Distributor
ISO 9001
SKF Authorized
Full Traceability
All products shipped in original SKF packaging with anti-counterfeit seal, QR code, and batch label intact.
Standard export carton for small orders. Custom wooden crates with moisture-proof lining for large/heavy shipments.
Sea freight (FCL/LCL), air freight, and express (DHL/FedEx/UPS). DDP, DAP, CIF, FOB terms all supported.
In-stock items: 1-3 days dispatch. Air freight: 3-7 days door-to-door. Sea freight: 15-35 days by destination.
| 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 |
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.
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.
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.
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.
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.
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.
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 →
Send us your bearing model, quantity, and delivery requirements. Our SKF-certified team will respond with a formal quotation, traceability certificate, and logistics plan.