Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
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Full Traceability
ISO 9001 Certified
SKF Authorized
Angular Contact Bearing
Double Row Angular Contact Ball Bearing 3305-A-2RS1 TN9-MT33 for Electric Motor Applications
Double Row Angular Contact Ball Bearing 3305-A-2RS1 TN9-MT33 for Electric Motor Applications
In Stock · Ready to Ship
<p>Ensure your electric motor runs with uncompromised precision and reliability using the <strong>Double Row Angular Contact Ball Bearing 3305-A-2RS1 TN9-MT33</strong>—a genuine SKF solution engineered to minimize downtime and streamline your OEM production workflow. This high-performance bearing delivers exceptional radial and axial load handling in compact electric motor applications, thanks to its double row design and pre-lubricated, sealed construction that eliminates contamination risks.</p><ul><li>SKF-certified TN9-MT33 cage material ensures consistent rotational stability even under variable speed conditions</li><li>2RS1 rubber seals provide maintenance-free operation, reducing long-term technical costs for your production line</li><li>Full traceability documentation included to simplify compliance and customs clearance for global shipments</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
Double Row Angular Contact Ball Bearing 3305-A-2RS1 TN9-MT33 for Electric Motor Applications -- 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 Designation | 3305-A-2RS1 TN9-MT33 |
| Type | Double Row Angular Contact Ball Bearing |
| Rows Number | Double |
| Load Direction | Radial |
| Material | Bearing Steel |
| Precision Rating | P0, P2, P4, P5, P6 |
| Structure | Angular Contact |
| Cage | Steel Cage, Copper Cage, Nylon Cage |
| Lubrication | Oil, Grease |
| Trademark | SKF |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Manufacturing | Electric Motors, Machine Tools, Conveyors |
| Industrial Machinery | Pumps, Fans, Compressors |
| Automotive | Electric Vehicle Motors, Auxiliary Systems |
Stop Motor Downtime — Genuine SKF 3305 Angular Contact Bearings Delivered Fast
Electric motor OEMs and maintenance teams often face unexpected production halts due to bearing failures. Counterfeit bearings with poor material quality can fail within weeks, causing costly line shutdowns. Multi-tier distribution channels delay critical replacements by 30–50%, making it impossible to align with tight production schedules. Sourcing from unauthorized suppliers also risks incomplete traceability documents, leading to customs clearance issues and quality disputes.
Genuine SKF 3305 Bearings, In Stock and Ready to Ship
As an official SKF distributor, we provide the 3305-A-2RS1 TN9-MT33 Double Row Angular Contact Ball Bearing with full traceability and certification. Our centralized warehouse ensures immediate availability for both small-batch trials and bulk orders, eliminating the lead time delays of traditional distribution. This bearing is engineered for electric motor applications, delivering reliable performance in high-speed rotating components like motor spindles and drive systems.
Where This Bearing Performs
The SKF 3305 Double Row Angular Contact Bearing excels in electric motor applications requiring simultaneous radial and axial load handling. Its double row design provides high rigidity and misalignment tolerance, making it suitable for compact motor housings where space is limited. Operating at moderate to high speeds, this bearing maintains stable performance under continuous duty cycles, ideal for industrial motors, pumps, and conveyor systems in manufacturing environments.
Technical Details That Define Performance
The 3305-A-2RS1 TN9-MT33 features a precision rating range from P0 to P6, allowing customization based on application requirements—P5/P6 grades for high-speed motors needing tight running accuracy, and P0 for general industrial use. Its steel, copper, or nylon cage options optimize performance: steel cages for high-temperature stability, nylon cages for reduced noise in precision applications. The 2RS1 sealing provides effective protection against contaminants, extending bearing life in dusty or humid motor environments without compromising rotational speed. Lubricated with high-quality grease, it minimizes friction and heat generation during continuous operation.
The True Cost of Counterfeit Bearings
Choosing non-genuine Angular Contact Bearings may seem cost-effective initially, but hidden expenses quickly add up. Counterfeit bearings often lack proper heat treatment, leading to premature fatigue and motor failure. A single unexpected shutdown can cost $10,000–$50,000 in lost production, far exceeding the savings from cheaper parts. Our SKF-certified bearings comply with ISO 9001 standards, ensuring consistent batch quality and predictable service life, reducing total cost of ownership by minimizing unplanned maintenance and downtime.
Why Buyers Trust Us
With 60+ countries served and a SKF-certified technical team, we deliver more than products—we provide reliability. Every bearing comes with official authorization and traceability documents, verifying its origin from SKF's global supply chain. Our full-process quality management includes incoming inspection and pre-shipment verification, ensuring you receive defect-free components. For technical support, our engineers offer application-specific model selection, installation guidance, and failure analysis to optimize bearing performance. With global door-to-door logistics, we ensure on-time delivery whether you need a single unit for emergency repair or bulk orders for production runs.
Packaging & Shipping
- Original SKF packaging with product certification and traceability documentation
- Secure carton and pallet packaging to prevent damage during transit
- 3–7 business days delivery for in-stock items via DHL, FedEx, or UPS
- Real-time logistics tracking provided upon shipment
- Minimum order quantity: 1 unit, supporting both maintenance and production needs
Get Your Electric Motor Bearings Now
Don’t let bearing issues slow down your production. Whether you need to verify compatibility, request a sample, or place a bulk order, our team is ready to assist. Send us your bearing designation, application details, and quantity, and we’ll provide a formal quotation within 24 hours—keeping your motors running and your production on schedule.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF distributor. Every bearing is sourced directly from SKF and comes with complete traceability documentation and brand authorization.
Q: How do I confirm if this bearing fits my electric motor?
A: Provide your motor model or technical specifications (load, speed, operating conditions), 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 defects in materials and workmanship. We provide full support for warranty claims and replacements.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, making us suitable for both emergency repairs and large-scale production requirements.
Q: How long does shipping take?
A: In-stock bearings are shipped within 3–7 business days via express carriers (DHL/FedEx/UPS). For bulk orders, we offer flexible shipping options including air and sea freight.
Q: How can I verify the authenticity of the bearing?
A: Each bearing includes SKF's original packaging with holographic labels and unique serial numbers. We also provide 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.
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