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 |
Gearboxes, Reducers, Machine Tools |
| Construction Machinery |
Concrete Mixers, Construction Hoists |
| Mining |
Crushers, Conveyor Systems |
| Steel |
Rolling Mill Reducers, Steel Processing Lines |
| Wind Power |
Generator Gearboxes |
Minimize Gearbox Downtime with SKF 3311A-2Z/C3 MT33 Double Row Angular Contact Ball Bearing
Gearbox failures in industrial equipment often trace back to bearing issues—premature wear from counterfeit parts, mismatched specifications causing excessive vibration, or delayed deliveries leaving maintenance teams waiting. These problems don’t just cost parts; they halt production lines, disrupt project timelines, and erode profit margins for manufacturers and EPC contractors.
Genuine SKF Bearings: In Stock and Engineered for Gearbox Reliability
Our SKF 3311A-2Z/C3 MT33 Double Row Angular Contact Ball Bearing is designed to address these challenges. As an official SKF distributor, we ensure every bearing meets strict ISO 9001 quality standards, with full traceability to the original manufacturing process. With large centralized inventory across 55+ countries, we eliminate long lead times, supporting both scheduled maintenance and emergency repairs for gearbox reducers in critical applications.
Engineered for High-Performance Gearbox Operations
This double row angular contact ball bearing excels in gearbox reducers where combined radial and axial loads are present. Its shielded design (MT33) protects against contamination in industrial environments, while the C3 clearance rating accommodates thermal expansion during high-speed operation. Whether in construction machinery gearboxes subject to shock loads or precision machine tool reducers requiring stable rotation, this bearing delivers consistent performance under demanding conditions.
Key Technical Features That Drive Gearbox Longevity
The bearing’s double row structure provides higher radial load capacity compared to single row designs, making it ideal for heavy-duty gearbox applications. Precision ratings from P0 to P6 allow customization for varying accuracy needs—from general industrial use (P0) to high-precision machine tools (P5/P6). Available cage materials (steel, copper, nylon) further tailor performance: steel cages offer durability in high-temperature environments, while nylon cages reduce noise in low-speed applications. Lubricated with high-quality oil grease, the bearing maintains optimal friction levels, extending service life in continuous operation.
The Hidden Cost of Choosing Non-Genuine Bearings
Counterfeit bearings may offer lower upfront prices, but they often fail prematurely due to substandard materials and poor manufacturing tolerances. A single gearbox failure can cost tens of thousands in downtime, repair labor, and damaged components—far exceeding the savings from cheaper parts. Our genuine SKF bearings, backed by ISO 9001 quality inspection, minimize these risks, ensuring predictable performance and reducing total cost of ownership over the equipment lifecycle.
Why Global Buyers Choose Our Bearing Solutions
We stand behind our products with dual-brand official authorization from SKF and Timken, ensuring access to authentic parts. Our cross-brand technical team, with expertise in both European precision and American heavy-duty bearings, provides free选型 support to ensure proper fit for your gearbox. With 1,200+ clients across 55+ countries, we’ve built a reputation for reliable supply—whether you need a single bearing for emergency repair or bulk orders for large-scale projects. Every shipment includes complete quality certification and export documentation, simplifying compliance for international engineering ventures.
Packaging & Shipping
- Original SKF packaging with protective carton and pallet reinforcement to prevent damage during transit
- 现货 available for delivery within 3-7 working days for urgent maintenance needs
- Flexible shipping options including DHL, FedEx, UPS, air freight, and ocean shipping to match project timelines
- Real-time logistics tracking provided from warehouse dispatch to final delivery
- Minimum order quantity of 1 piece, supporting both small-batch repairs and large-volume procurement
Get Your Gearbox Back to Full Operation
Don’t let bearing issues delay your production. Send us your gearbox model, operating conditions, and required quantity today, and our team will provide a detailed quotation within 24 hours. With our large inventory and global logistics network, we can get the SKF 3311A-2Z/C3 MT33 bearing to your facility quickly—minimizing downtime and keeping your equipment running.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official authorized distributor of SKF. Every bearing is sourced directly from SKF and comes with complete traceability documentation to verify authenticity.
Q: How do I confirm if this bearing fits my gearbox reducer?
A: Provide your gearbox model, application details (load, speed, temperature), and existing bearing designation. Our technical team will cross-verify compatibility and recommend the correct specification.
Q: What is the warranty policy?
A: All SKF bearings are covered by the manufacturer’s warranty against manufacturing defects. We provide full support for warranty claims and replacement if issues arise.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, making us ideal for emergency repairs or small-batch maintenance needs.
Q: How long does shipping take?
A: For in-stock bearings, delivery typically takes 3-7 working days via express courier (DHL/FedEx/UPS). Air or ocean freight options are available for larger orders with longer lead times.
Q: How can I verify the bearing’s authenticity upon receipt?
A: Check the packaging for SKF’s official holographic labels, laser-etched part numbers on the bearing, and scan the QR code to access SKF’s verification portal. We also provide a copy of the original SKF authorization certificate with each order.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
