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
High Load Double Row Angular Contact Ball Bearing 3312-a for Construction & Agricultural Machinery
High Load Double Row Angular Contact Ball Bearing 3312-a for Construction & Agricultural Machinery
In Stock · Ready to Ship
<p>Minimize downtime in construction and agricultural machinery with the <strong>SKF 3312-a angular contact ball bearing</strong>, engineered to deliver exceptional load handling and stability in heavy-duty applications. This double row design distributes radial and axial forces evenly, reducing wear on critical equipment components while ensuring consistent performance under variable working conditions.</p><ul><li>Precision-machined steel cage options (steel, copper, nylon) accommodate high-speed rotation and temperature fluctuations, a crucial detail for machinery operating in harsh environments</li><li>Full traceability documentation ensures compliance with export quality standards, streamlining your supply chain and reducing procurement risks</li><li>Direct OEM supply from SKF-authorized distributor Dunyu Bearings guarantees batch consistency and reliable lead times, keeping your production schedule on track</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
High Load Double Row Angular Contact Ball Bearing 3312-a for Construction & Agricultural Machinery -- 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 |
| Origin | Jiangsu China |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Construction Machinery | Excavators, Loaders, Bulldozers, Cranes |
| Agricultural Machinery | Tractors, Harvesters, Tillers, Combine Harvesters |
| Heavy Machinery | Conveyors, Crushers, Mixers, Presses |
Reduce Equipment Downtime with Genuine SKF 3312-a Double Row Angular Contact Ball Bearing
Construction and agricultural machinery operators often face unexpected downtime when bearings fail prematurely. Gray market suppliers push counterfeit products with incomplete traceability, leading to customs clearance delays and quality disputes. Multi-layer distribution channels stretch delivery times by 30-50%, making it hard to align with tight production schedules.
SKF 3312-a Bearing: Engineered for High Load Applications
Our SKF 3312-a double row angular contact ball bearing addresses these challenges with official authorization and full traceability. As an authorized SKF distributor, we maintain a large centralized warehouse to ensure stable bulk supply, critical for heavy machinery OEMs and maintenance teams. This bearing’s robust design handles radial and axial loads, making it ideal for construction equipment reducers and agricultural machinery gearboxes.
Optimal Performance in Demanding Work Conditions
Designed for heavy machinery, the 3312-a excels in high-load environments with continuous vibration and shock. Its double row angular contact structure provides superior rigidity, while the separated design allows for easy mounting and dismounting during maintenance. Whether operating in dusty construction sites or muddy agricultural fields, this bearing maintains consistent performance under extreme conditions.
Key Technical Features That Matter
The 3312-a’s precision rating options (P0 to P6) ensure compatibility with various equipment accuracy requirements—P5 and P6 grades reduce vibration in high-speed applications like conveyor drives. Its bearing steel construction offers excellent durability, while multiple cage materials (steel, copper, nylon) provide flexibility: steel cages suit high-temperature operations, nylon cages reduce noise in low-speed applications. Lubrication with oil or grease allows adaptation to specific machinery lubrication systems, extending service life in harsh environments.
Why Genuine SKF Bearings Lower Total Cost of Ownership
Counterfeit bearings may cost less upfront, but they often fail within months, causing production line shutdowns that cost thousands in lost revenue. A single bearing failure in a construction excavator can halt a project for days. Our genuine SKF 3312-a bearings, compliant with ISO 9001 and SKF global standards, undergo rigorous quality checks to ensure batch consistency. Over time, their longer service life and reduced maintenance needs result in lower total costs compared to unreliable alternatives.
Our Commitment to Reliable Supply
With 60+ countries served, we deliver beyond products—our SKF-certified technical team provides application-specific support, from model selection to failure analysis. We offer 100% genuine SKF products with certification, ensuring full traceability for export compliance. Our four-step OEM process includes 24-hour quotation, sample testing, dedicated inventory reservation, and full-cycle account management. Global door-to-door logistics ensures your bearings arrive when and where you need them.
Packaging & Shipping
- Original SKF packaging with authentication labels and batch documentation
- Carton pallet packaging for secure transport and storage
- 3-7 business days delivery for in-stock items
- Flexible shipping via DHL, FedEx, UPS, air, or sea freight
- Real-time logistics tracking provided for all orders
- Minimum order quantity: 1 unit, supporting emergency repairs and small-batch needs
Get Your SKF 3312-a Bearing Today
Don’t let bearing issues disrupt your operations. Send us your equipment model, load requirements, and order quantity to receive a formal quotation within 24 hours. Our dedicated team ensures you get the right bearing for your machinery, with fast delivery to minimize downtime.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official authorized SKF distributor. Every 3312-a bearing comes with full traceability documentation and brand certification to verify authenticity.
Q: How do I confirm if the 3312-a fits my equipment?
A: Provide your machinery model, operating load, and speed parameters. Our SKF-certified technical team will verify compatibility and recommend the optimal configuration.
Q: What is the warranty policy?
A: All SKF bearings come with the manufacturer’s warranty, covering manufacturing defects. We provide full after-sales support for warranty claims and replacements.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, suitable for emergency repairs or small-scale maintenance needs.
Q: How long does shipping take?
A: In-stock 3312-a bearings ship within 3-7 business days. We offer multiple logistics options to meet your delivery timeline requirements.
Q: How can I verify the bearing’s authenticity?
A: Check the packaging for SKF’s holographic labels, laser-etched part numbers, and scan the QR code to access traceability records. We also provide official authorization documents upon request.
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