Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
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ISO 9001 Certified
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Tapered Roller Bearing
SKF 3780/3720/Q Tapered Roller Bearing 50.8×93.264×30.162mm High Precision for Industrial Machinery
SKF 3780/3720/Q Tapered Roller Bearing 50.8×93.264×30.162mm High Precision for Industrial Machinery
In Stock · Ready to Ship
<p>Ensure peak industrial machinery performance with the <strong>SKF 3780/3720/Q</strong> tapered roller bearing—engineered for precision that minimizes downtime and maximizes productivity. This 50.8x93.264x30.162mm high-precision component delivers consistent load distribution and reduced vibration (Z1V1 to Z3V3 ratings) in heavy-duty applications, addressing the critical need for reliable, traceable OEM parts that keep production lines running smoothly.</p><ul><li>Single-row tapered design with separable inner/outer rings allows easy maintenance and precise mounting alignment</li><li>Available with iron, brass, or nylon cages to suit specific operating conditions and temperature requirements</li><li>Complies with SKF global standards for quality and traceability, ensuring seamless integration into your supply chain</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
SKF 3780/3720/Q Tapered Roller Bearing 50.8×93.264×30.162mm High Precision for Industrial Machinery -- Parameter Sheet
SKF · Tapered Roller Bearing
| Parameter | Value | Unit / Note |
|---|---|---|
| Bearing Series | -- | Tapered Roller 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. | 3780/3720/Q |
| Cage | Iron Cage/Brass Cage/Nylon Cage |
| Precision Rating | P0 P6 P5 P4 P2 |
| Service | OEM ODM |
| Rows Number | Single |
| Structure | Taper |
| Aligning | Non-Aligning Bearing |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Lubricate | Grease or Oil |
| Seals Type | Zz 2RS Open |
| Separated | Separated |
| Rolling Body | Roller Bearings |
| Load Direction | Radial Bearing |
| Outer Dimension | 35mm-180mm |
| Specification | 50.8*93.264*30.162 mm |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482200000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Industrial Machinery | Gearboxes, Conveyors, Pumps, Compressors |
| Automotive Manufacturing | Assembly Line Equipment, Material Handling Systems |
| General Engineering | Machine Tools, spindles, Agricultural Machinery |
| Heavy Industry | Crushers, Mixers, Industrial Fans |
Stop Production Losses with Genuine SKF 3780/3720/Q Tapered Roller Bearings
OEM manufacturers know the hidden costs of bearing failure: unplanned downtime from counterfeit parts, delivery delays disrupting production schedules, and technical gaps leaving teams to troubleshoot alone. When a single bearing failure halts a production line, the hourly losses far exceed the cost of the component itself.
Genuine SKF 3780/3720/Q Bearings: In Stock and Traceable
As an official SKF distributor, we eliminate these risks with 100% genuine SKF 3780/3720/Q tapered roller bearings. Each unit comes with full traceability documentation, ensuring compliance with export customs and quality audits. Our centralized warehouse maintains ready inventory, so your production line won’t wait for parts—even for urgent maintenance needs.
Engineered for Heavy-Duty Industrial Performance
The SKF 3780/3720/Q excels in high-precision industrial machinery applications. With dimensions 50.8x93.264x30.16mm, this single-row tapered roller bearing handles combined radial and axial loads, making it ideal for gearboxes, conveyors, and material handling equipment. Its separated design allows easy mounting and dismounting, reducing maintenance time during overhauls.
Technical Details That Maximize Equipment Uptime
Precision rating options from P0 to P2 ensure compatibility with applications requiring tight tolerances, from general machinery to high-speed spindles. The choice of iron, brass, or nylon cages adapts to operating conditions—brass cages excel in high-temperature environments, while nylon reduces noise in low-speed applications. Vibration class Z1V1 to Z3V3 options let you match bearing performance to machinery sensitivity, minimizing operational noise and extending service life.
The True Cost of Cutting Corners on Bearings
Gray-market bearings may save upfront, but they often lack proper heat treatment and material quality. A counterfeit SKF 3780/3720/Q can fail prematurely under load, leading to equipment damage, production downtime, and safety risks. Our genuine bearings, produced to ISO 9001 and SKF global standards, deliver predictable performance and reduce total cost of ownership by minimizing replacement frequency and unplanned maintenance.
Why Global Manufacturers Trust Our SKF Supply
With 60+ countries served and a SKF-certified technical team, we provide more than products—we deliver peace of mind. Our four-step OEM process ensures transparency: 24-hour quotations with authorization documents, sample testing support, long-term supply agreements with dedicated inventory, and full-cycle tracking via a dedicated account manager. Every bearing undergoes pre-shipment inspection, and we offer door-to-door logistics for reliable, on-time delivery.
Packaging & Shipping
- Original SKF packaging with protective carton and pallet reinforcement
- Package Size: 10.50cm * 10.50cm * 4.50cm
- Package Gross Weight: 0.850kg
- Global door-to-door delivery via DHL, FedEx, UPS, air, or sea freight
- Real-time logistics tracking provided for all shipments
- Minimum order quantity: 1 unit, supporting emergency repairs and small-batch trials
Get Your SKF 3780/3720/Q Bearing Shipped Today
Don’t let bearing issues slow your production. Send us your order details—bearing model, quantity, and application parameters—and our team will confirm stock availability and deliver a formal quotation within 24 hours. With our fast emergency delivery options, you can minimize downtime and keep your machinery running at peak efficiency.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes. As an official SKF distributor, all our products are 100% genuine with full traceability documentation and brand authorization.
Q: How do I confirm if this bearing fits my equipment?
A: Provide your equipment model or operating parameters (load, speed, temperature), and our SKF-certified technical team will verify compatibility.
Q: What is the warranty policy?
A: All bearings come with SKF’s standard manufacturer warranty, covering manufacturing defects with unconditional replacement.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit to support both emergency repairs and small-batch trials.
Q: How quickly can you ship?
A: In-stock bearings ship within 3-7 business days via your preferred logistics method (DHL, FedEx, UPS, air, or sea freight).
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 traceability certificates. We can also provide verification support 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