Product Specifications
| Parameter |
Details |
| Model NO. |
3780/3720/Q |
| Cage |
Iron Cage/Brass Cage/Nylon Cage |
| Precision Rating |
P0 P6 P5 P4 P2 |
| 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 |
| Construction Machinery |
Excavators, Loaders, Bulldozers |
| Mining |
Crushers, Conveyors, Drilling Rigs |
| Machine Tools |
CNC Lathes, Milling Machines, Grinding Equipment |
| Steel |
Rolling Mills, Continuous Casters, Furnace Systems |
Stop Equipment Downtime with Genuine SKF 3780/3720/Q Tapered Roller Bearings
Industrial machinery operators know the cost of bearing failure—unplanned downtime, production delays, and expensive repairs. Sourcing authentic tapered roller bearings often means juggling multiple suppliers, facing long lead times, and worrying about quality consistency. When maintenance teams need a precise SKF 3780/3720/Q bearing for critical equipment, these challenges can bring operations to a standstill.
Genuine SKF 3780/3720/Q Bearings: In Stock and Quality Assured
As an official SKF distributor, we eliminate these headaches by offering genuine SKF 3780/3720/Q tapered roller bearings with immediate availability. Our large centralized inventory ensures your maintenance or production line isn’t waiting on backorders. Each bearing undergoes rigorous inspection through our ISO 9001 quality control system, verifying dimensions (50.8*93.264*30.162 mm) and performance before shipping. Whether for gearboxes in construction machinery or spindle applications in machine tools, this SKF tapered roller bearing delivers the reliability industrial operations demand.
Engineered for Heavy-Duty Industrial Applications
The SKF 3780/3720/Q thrives in high-load, precision-critical environments. Its separated design allows for easy mounting and adjustment, making it ideal for equipment where radial and axial loads combine—common in mining conveyors and steel mill rolling stands. With precision ratings from P0 to P2, it accommodates applications requiring tight tolerances, while vibration classes Z1V1 to Z3V3 ensure smooth operation even at varying speeds. Whether lubricated with grease or oil, this bearing maintains performance in harsh conditions, from dusty construction sites to high-temperature steel processing plants.
Technical Details That Drive Performance
Three key features define the SKF 3780/3720/Q’s industrial performance. First, its precision rating options (P0-P2) cater to specific application needs—P5 for machine tool spindles requiring minimal runout, or P0 for general industrial use. Second, the choice of cage materials (iron, brass, nylon) optimizes durability: brass cages excel in high-temperature settings like steel mills, while nylon reduces noise in conveyor systems. Third, seal types (Zz, 2RS, Open) balance protection and friction—2RS seals shield against contaminants in mining operations, while open designs suit lubrication-rich gearbox environments. These engineering details ensure the bearing matches both equipment requirements and operating conditions.
Why Genuine SKF Bearings Lower Long-Term Costs
Counterfeit tapered roller bearings may cut initial costs, but they often fail prematurely, leading to unplanned downtime. A single bearing failure in a mining crusher can cost thousands in lost production. Genuine SKF 3780/3720/Q bearings, backed by SKF’s 100+ years of engineering expertise, deliver predictable service life and reduce total cost of ownership. Our ISO 9001 inspection process further ensures each bearing meets SKF’s strict quality standards, eliminating the risk of mismatched components or subpar materials that cause early wear. For industrial buyers, investing in authentic bearings means fewer replacements, less maintenance, and more reliable operations.
Your Trusted Partner for Industrial Bearing Solutions
We’ve earned the trust of 1,200+ clients across 55+ countries by delivering on four promises: official authorization (direct SKF supply chain access), one-stop procurement (mix SKF and Timken bearings in a single order), global logistics (fast shipping to Australia, Russia, Saudi Arabia, and beyond), and a cross-brand technical team to support选型 and installation. Every bearing comes with complete documentation, including origin certificates and quality inspection reports, ensuring compliance for large engineering projects. Our 24-hour quotation response and dedicated account managers streamline the procurement process, so you focus on keeping your equipment running.
Packaging & Shipping
- Original SKF packaging with anti-counterfeit labels and product documentation
- Consolidated carton and pallet packaging for secure transportation
- 3-7 business days delivery for in-stock items via DHL, FedEx, or UPS
- Real-time logistics tracking provided for all shipments
- Minimum order quantity of 1 unit, supporting emergency maintenance needs
Get Your SKF 3780/3720/Q Bearing Today
Don’t let bearing delays halt your operations. Send us your SKF 3780/3720/Q quantity, application details (e.g., equipment type, load conditions), and delivery location—our team will provide a quote within 24 hours. With现货 inventory and global shipping, we ensure you get the right bearing when you need it most.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every SKF 3780/3720/Q bearing is sourced directly from SKF and comes with full traceability documentation, including origin certificates and authorization proof.
Q: How do I confirm if this bearing fits my equipment?
A: Provide your equipment model, operating conditions (load, speed, temperature), or existing bearing part number. Our technical team will verify compatibility and provide选型 support at no cost.
Q: What is the warranty policy?
A: All SKF bearings are covered by SKF’s standard manufacturer warranty, which includes replacement for manufacturing defects. We also offer additional after-sales support for installation and performance issues.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit, making us ideal for emergency maintenance or small-batch requirements. Larger quantities are available with volume pricing.
Q: How long does shipping take?
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