Description
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 Suitability
| Industry | Typical Applications |
|---|---|
| Construction Machinery | Heavy load components requiring angular contact support |
Need a Dependable Double Row Angular Contact Ball Bearing 3312-a for Construction Machinery?
Construction machinery operators know the frustration of bearing failures in high-load applications—downtime from premature wear or incorrect load handling costs time and money. Finding a reliable source for specific bearing models that meet original equipment standards can be a challenge, especially when dealing with multiple suppliers for different brands.
Engineered for Heavy-Duty Construction Machinery Performance
The Double Row Angular Contact Ball Bearing 3312-a addresses these challenges with its high load capacity design, ideal for the demanding conditions of construction machinery. As a supplier with access to a comprehensive range of bearing brands and models, we ensure you can source the exact specifications you need without switching between multiple vendors. Our ISO 9001 certified quality control processes verify that each bearing meets the structural requirements for radial load handling in heavy machinery applications.
Optimal Performance in High-Load Construction Environments
This bearing excels in construction machinery where combined radial and axial loads are present, such as in excavator arm joints or crane pivot points. Operating in typical construction site conditions—with variable temperatures and moderate contamination—the 3312-a model’s double row angular contact structure provides enhanced rigidity and load distribution compared to single row alternatives. Proper specification of this high load capacity bearing is critical to preventing equipment downtime in critical construction operations.
Key Engineering Features for Reliable Operation
The bearing’s bearing steel construction ensures durability under heavy loads, with material hardness optimized to resist deformation during peak stress. Available precision ratings from P0 to P6 allow selection based on application tolerance requirements—higher precision grades (P2-P4) suit machinery where minimal vibration is essential, while standard grades (P0, P5-P6) offer cost-effective solutions for general construction use. The choice of cage material (steel, copper, or nylon) further allows customization: steel cages provide maximum strength for shock-loaded applications, while nylon options reduce noise in continuous operation.
Why Choosing the Right Bearing Impacts Total Operational Cost
Selecting a properly rated double row angular contact ball bearing directly affects your machinery’s total cost of ownership. A bearing with insufficient load capacity may fail prematurely, leading to unplanned maintenance, equipment downtime, and potential damage to adjacent components. This SKF 3312-a bearing’s design follows international dimensional standards, ensuring compatibility with existing machinery and reducing the risk of installation errors that cause premature wear. By investing in a bearing that matches your equipment’s load requirements, you minimize long-term maintenance costs and extend service intervals.
Quality Assurance You Can Trust
Our bearings undergo comprehensive inspection processes, including dimensional verification and material hardness testing, to ensure compliance with industry standards. We provide a warranty against manufacturing defects, with clear documentation for quality traceability. With access to a wide range of brands beyond SKF, we can source bearings according to your specific brand preferences or equipment requirements. Our inventory system supports quick turnaround for common models, ensuring you receive your order with minimal delay.
Packaging & Shipping
- Standard packaging includes carton boxes with palletization for bulk orders
- Stock items available for same-day dispatch
- Flexible shipping options including express courier, air freight, and sea freight
- Low minimum order quantity supported for both trial and bulk purchases
Get a Quote for Your SKF 3312-a Bearing Requirement
Whether you need a single replacement bearing or a bulk order for your construction machinery fleet, provide us with your specific requirements—including quantity and delivery location—and we’ll deliver a competitive quote. Our team can also assist with cross-referencing part numbers to ensure compatibility with your equipment.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we provide access to a full range of international and domestic brands, including NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, and others, as well as custom specifications.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment model number or the bearing’s critical dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with the 3312-a specifications.
Q: What is your warranty policy for bearings?
A: We offer a warranty against manufacturing defects. The specific warranty period and terms are detailed in each sales contract, with options for extended coverage available on request.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, including single-unit purchases for emergency replacements, with volume discounts available for bulk orders.
Q: How long does shipping take to my location?
A: Stock items ship the same day. Delivery times vary by location—express courier typically takes 3-5 days, air freight 5-7 days, and sea freight 20-30 days for international destinations.
Q: Can you provide custom bearing solutions for special applications?
A: Yes, we offer OEM/ODM services for custom bearing designs, including modified dimensions, materials, and lubrication options, based on your technical drawings or specifications.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.







