Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure smooth transmission performance and minimize downtime with the precision-engineered <strong>Double Row Angular Contact Ball Bearing 3305-A-2Z TN9-MT33</strong>—designed to deliver reliable radial and axial load handling in demanding industrial systems. As an official SKF distributor, we guarantee 100% genuine bearings with full traceability, eliminating compliance risks and ensuring seamless integration into your production line.</p><ul><li>Double row angular contact design with 2Z steel shields provides enhanced rigidity and contamination protection, ideal for high-speed transmission applications</li><li>Precision-machined steel cage ensures consistent ball guidance, reducing friction and extending service life under variable load conditions</li><li>Direct OEM supply from our centralized warehouse enables fast emergency delivery, keeping your production schedule on track without costly delays</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 |
|---|---|
| Automotive | Transmission Systems, Gearboxes, Differential Units |
| General Machinery | Electric Motors, Pumps, Compressors, Conveyors |
| Industrial Manufacturing | CNC Machine Tools, Spindles, Material Handling Equipment |
OEM manufacturers across automotive and machinery sectors often face unexpected downtime when gray-market bearings fail prematurely, costing thousands in lost production. Multi-tier distribution channels stretch lead times by 30-50%, making it nearly impossible to align with tight production schedules. Even when bearings arrive, incomplete traceability documents frequently cause customs clearance delays and quality disputes.
As an official SKF authorized distributor, we guarantee 100% genuine Double Row Angular Contact Ball Bearing 3305-A-2Z TN9-MT33 with full traceability documentation. Our centralized warehouse maintains large inventory, enabling same-day dispatch for urgent orders. Each unit undergoes ISO 9001-compliant quality checks before shipment, ensuring batch consistency critical for transmission system reliability.
Designed for transmission systems, this double row angular contact ball bearing excels in applications requiring simultaneous radial and axial load handling. Its separated structure allows easy mounting and dismounting, while the angular contact design accommodates combined loads at moderate to high speeds—ideal for gearbox input/output shafts and conveyor drives where precision and durability are non-negotiable.
The SKF 3305-A-2Z TN9-MT33 incorporates key engineering features for reliable performance. Its bearing steel construction provides high tensile strength and wear resistance, while multiple precision ratings (P0 to P6) allow customization for applications from general machinery to precision CNC equipment. The steel, copper, or nylon cage options optimize lubricant distribution and stability across operating speeds, reducing friction and extending maintenance intervals. Dual Z-type seals effectively prevent contamination in industrial environments, maintaining grease integrity for consistent operation.
Counterfeit angular contact ball bearings may offer lower upfront prices, but they typically fail within 30-50% of the expected service life of genuine SKF products. This leads to unplanned shutdowns, increased labor costs for replacements, and potential damage to adjacent components. In contrast, our certified SKF 3305-A-2Z bearings adhere to global standards, reducing total cost of ownership through longer service intervals and minimized downtime. Each bearing comes with complete traceability documentation, eliminating customs clearance obstacles and quality liability risks.
With 60+ countries served and a SKF-certified technical team, we deliver more than just products. Our vertical distribution model eliminates middlemen, ensuring stable lead times and batch consistency. We provide free application analysis—helping you select the right cage material and precisionç‰çº§ for your specific transmission system requirements. Dedicated account managers track every order from warehouse to delivery, offering real-time visibility. For emergency needs, our global door-to-door logistics network ensures fast delivery, minimizing production disruption.
Don’t let bearing issues disrupt your production schedule. Send us your bearing designation, application parameters (load, speed, operating temperature), and required quantity. Our team will provide a formal quotation with certification within 24 hours, ensuring you get the right SKF 3305-A-2Z TN9-MT33 bearing when you need it.
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing is sourced directly from SKF and comes with full traceability documentation and brand authorization certificates.
Q: How do I confirm if this bearing fits my transmission system?
A: Provide your equipment model or operating parameters (load capacity, speed, temperature range), and our SKF-certified technical team will verify compatibility at no cost.
Q: What is the warranty policy?
A: All bearings come with SKF's standard manufacturer warranty, covering manufacturing defects. We offer unconditional replacement for any verified quality issues.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, supporting both emergency maintenance needs and large-scale OEM production.
Q: How long does shipping take?
A: In-stock bearings are dispatched within 24 hours, with delivery in 3-7 business days via global logistics partners like DHL and FedEx.
Q: How can I verify the bearing's authenticity?
A: Each bearing includes SKF's original packaging withé˜²ä¼ªæ ‡ç¾, laser-etched part numbers, and batch codes. We also provide full traceability 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.