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 Precision Double Row Angular Contact Ball Bearing 3305 a-2RS1 for Reducer Gearbox
High Precision Double Row Angular Contact Ball Bearing 3305 a-2RS1 for Reducer Gearbox
In Stock · Ready to Ship
<p>Minimize reducer gearbox downtime with the <strong>SKF 3305 a-2RS1</strong> double row angular contact ball bearing, engineered to deliver exceptional radial and axial load support in high-torque applications. As an official SKF distributor, we ensure full traceability documentation to streamline your supply chain compliance, while our P0-P6 precision ratings (including P4 for critical gearbox alignments) guarantee consistent performance batch after batch.</p><ul><li>Double row angular contact design eliminates axial play, reducing gear meshing noise by up to 15% in high-speed reducer operations</li><li>2RS1 seals retain pre-applied SKF grease, extending maintenance intervals by 30% compared to open bearings</li><li>Steel/copper/nylon cage options available to match specific temperature and load requirements of your gearbox model</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 Precision Double Row Angular Contact Ball Bearing 3305 a-2RS1 for Reducer Gearbox -- 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 |
| Specification | As Your Request |
| Trademark | SKF |
| Origin | Jiangsu China |
| Production Capacity | 1000000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Industrial Manufacturing | Reducer Gearboxes, Conveyor Systems, Machine Tools |
| Automotive | Transmission Systems, Steering Mechanisms |
| General Machinery | Electric Motors, Pumps, Compressors |
| Rail Transit | Train Gearboxes, Axle Systems |
Stop Gearbox Failures — Genuine SKF 3305 a-2RS1 Bearings Delivered On Time
OEM manufacturers know the cost of unexpected downtime: a single gearbox failure can halt production lines for days, eroding profits and delaying orders. Counterfeit bearings often fail prematurely under radial loads, while multi-tier distributors struggle to maintain consistent delivery schedules for critical components like double row angular contact bearings.
High Precision SKF 3305 a-2RS1 Bearings: In Stock and Traceable
As an official SKF distributor, we eliminate these risks with our SKF 3305 a-2RS1 double row angular contact ball bearing — designed specifically for reducer gearboxes requiring high precision and reliable radial load handling. Our centralized warehouse stocks genuine SKF products with full traceability documentation, ensuring each bearing meets ISO 9001 and SKF global standards before shipping.
Optimal Performance in Reducer Gearbox Applications
This double row angular contact ball bearing excels in reducer gearboxes operating under moderate to high radial loads and moderate axial loads. Its separated design allows for easy mounting and dismounting, while the angular contact structure ensures stable performance at varying speeds — critical for maintaining gearbox efficiency in continuous production environments.
Technical Features That Ensure Longevity
The SKF 3305 a-2RS1 bearing combines precision engineering with durable materials to deliver consistent performance. Available in precision ratings from P0 to P6, it accommodates tight tolerance requirements in high-precision gearboxes. The steel, copper, or nylon cage options provide flexibility for different operating temperatures and lubrication needs, while the bearing steel construction ensures resistance to wear under cyclic loading. Sealed with 2RS1 technology, it effectively prevents contamination in industrial settings, reducing maintenance needs.
Why Genuine SKF Bearings Lower Total Cost of Ownership
Choosing genuine SKF double row angular contact bearings over gray-market alternatives reduces long-term costs significantly. Counterfeit bearings may save on initial purchase price but often fail within months, leading to costly repairs, production downtime, and potential damage to adjacent gearbox components. Our bearings, backed by SKF's global quality assurance, offer predictable service life and minimize unplanned maintenance — lowering your total cost of ownership by up to 40% over three years.
Your Trusted Partner for OEM Bearing Supply
With over 60 countries served and a SKF-certified technical team, we provide more than just products. Our services include: official authorization with full supply chain traceability, ISO 9001-compliant quality management with pre-shipment inspection, dedicated account managers for order tracking, and global door-to-door logistics. We support small-batch trials and long-term supply agreements, ensuring your production line never waits for critical components.
Packaging & Shipping
- Original SKF packaging with authentication labels and batch documentation
- Stock items shipped within 3–7 business days
- Flexible logistics via DHL, FedEx, UPS, air, or sea freight
- Real-time tracking numbers provided upon dispatch
- Minimum order quantity of 1 unit, ideal for emergency repairs
Get Your SKF 3305 a-2RS1 Bearing Today
Don’t let bearing delays or failures disrupt your production. Send us your gearbox model, operating load, and required quantity, and our technical team will confirm compatibility and deliver a quote within 24 hours. With our stock availability, you can have the SKF 3305 a-2RS1 bearing on-site in days, not weeks.
Frequently Asked Questions
Q: Are these bearings 100% genuine SKF products?
A: Yes, we are an official SKF distributor. Every bearing comes with full traceability documentation and brand authorization certificates to verify authenticity.
Q: How can I confirm the SKF 3305 a-2RS1 fits my reducer gearbox?
A: Provide your gearbox model, operating speed, and load parameters. Our SKF-certified technical team will perform a free compatibility check to ensure proper selection.
Q: What is the warranty policy for this bearing?
A: We offer the full SKF manufacturer warranty, covering manufacturing defects. Defective products are replaced unconditionally with supporting documentation.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, allowing for emergency repairs or small-batch production needs.
Q: How long does shipping take?
A: In-stock bearings ship within 3–7 business days. Logistics options include express (DHL/FedEx/UPS), air, or sea freight based on your timeline and budget.
Q: How can I verify the bearing's authenticity upon delivery?
A: Check the packaging for SKF's holographicé˜²ä¼ªæ ‡ç¾, laser-etched part numbers, and scan the QR code to validate via SKF's official database. We also provide full traceability reports 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