Product Specifications
| Parameter | Details |
|---|
| Model NO. | 3984/3920 |
| Cage | Iron Cage/Brass Cage/Nylon Cage |
| Precision Rating | P0 P6 P5 P4 P2 |
| 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 | 66.68×112.71×30.16 mm |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482200000 |
Application Industries
| Industry | Typical Equipment |
|---|
| Heavy Machinery | Construction Equipment, Mining Machinery, Agricultural Machinery |
| Industrial Manufacturing | Transmission Systems, Gearboxes, Conveyor Equipment |
Stop Production Delays with Genuine SKF 3984/3920 Tapered Roller Bearings
Heavy machinery downtime costs manufacturers thousands in lost productivity daily. Many face repeated failures from non-genuine bearings that fail prematurely under heavy loads, while coordinating multiple suppliers for replacement parts creates frustrating delays. When your equipment needs a reliable tapered roller bearing, settling for anything less than authentic SKF components risks extended downtime and increased maintenance costs.
Genuine SKF 3984/3920 Bearings for Critical Heavy Machinery
As an official SKF solution provider, we deliver the authentic SKF 3984/3920 tapered roller bearing designed specifically for heavy machinery OEM applications. This 66.68×112.71×30.16mm bearing combines SKF's precision engineering with robust construction to handle the radial and axial loads common in construction, mining, and agricultural equipment. Our one-stop procurement process eliminates the hassle of coordinating multiple suppliers, ensuring you get the right bearing when you need it.
Engineered for Demanding Heavy Machinery Conditions
The SKF 3984/3920 tapered roller bearing excels in harsh operating environments where heavy loads, shock impacts, and variable speeds are the norm. Its separated design allows for easy mounting and dismounting during maintenance, while the single-row configuration optimizes load distribution for reliable performance in gearboxes, axles, and transmission systems. Whether your equipment operates in dusty construction sites or muddy agricultural fields, this bearing maintains consistent performance under extreme conditions.
Technical Features That Ensure Long-Term Reliability
The SKF 3984/3920 incorporates critical design elements that directly impact machinery performance. Its precision rating options (from P0 to P2) allow customization based on application accuracy requirements, with higher precision grades reducing vibration and noise in high-speed operations. The choice of iron, brass, or nylon cages provides flexibility—brass cages offer superior strength for heavy loads, while nylon cages reduce friction and heat generation. Vibration classes Z1V1 to Z3V3 ensure smooth operation, minimizing wear on adjacent components and extending overall equipment life.
Why Authentic SKF Bearings Matter for Your Bottom Line
Non-genuine tapered roller bearings may cost less upfront, but they often lead to hidden expenses. Counterfeit bearings typically fail 30-50% sooner than authentic SKF components, requiring frequent replacements and unplanned downtime. A single bearing failure in critical heavy machinery can halt production for days, resulting in lost revenue far exceeding the initial savings from cheaper alternatives. By investing in genuine SKF 3984/3920 bearings, you ensure consistent performance, reduce maintenance costs, and protect your equipment from unnecessary damage.
Your Trusted Partner for SKF Industrial Solutions
With official SKF authorization covering full product categories, we provide complete traceability for every bearing—each unit comes with authentic documentation verifying its origin. Our quality control processes adhere to SKF global standards, with incoming inspections and pre-shipment testing ensuring only flawless products reach our clients. Serving over 900 customers across 50+ countries, our sealing and lubrication engineering team offers expert support for installation and maintenance. When emergency strikes, our fast delivery service minimizes downtime, with dedicated account managers handling all your technical and logistical needs.
Packaging & Shipping
- Original SKF packaging with protective inner carton and outer pallet reinforcement
- Package Size: 12.50cm × 12.50cm × 4.00cm
- Package Gross Weight: 1.200kg
- Fast emergency delivery options available for critical maintenance needs
- Centralized shipment with full logistics tracking
- Minimum order quantity: 1 piece, supporting both maintenance and production requirements
Get Your SKF 3984/3920 Bearing Today
Every day your heavy machinery is down costs money. Send us your bearing requirements, including quantity and application details, and our team will provide a unified quotation within one working day. With authentic SKF 3984/3920 bearings in stock and ready to ship, we help you minimize downtime and keep your operations running smoothly.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized solution provider. Every SKF 3984/3920 bearing comes with complete authorization documentation and traceability to ensure authenticity.
Q: How do I confirm if this bearing fits my equipment?
A: Provide your equipment model or technical specifications, and our engineering team will verify compatibility with the SKF 3984/3920 tapered roller bearing at no cost.
Q: What is your warranty policy?
A: All SKF bearings are covered by the manufacturer's warranty. We provide full support for replacement or refund in case of manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, making us ideal for emergency maintenance situations and small-batch requirements.
Q: How quickly can you ship the SKF 3984/3920 bearing?
A: Stock items are shipped within 3-7 working days via DHL, FedEx, UPS, or your preferred logistics method, with full tracking provided.
Q: How can I verify the authenticity of the bearing?
A: Authentic SKF bearings feature laser-etched markings, holographic packaging labels, and unique serial numbers verifiable through SKF's official channels. We provide all necessary documentation for verification.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
</div