Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 3984/3920 |
| Bearing Type | Tapered Roller Bearing |
| Dimensions | 66.68×112.71×30.16 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Cage Material | Iron, Brass, Nylon |
| Seals Type | ZZ, 2RS, Open |
| Structure | Single Row, Taper, Separated |
| Load Direction | Radial Bearing |
| Aligning | Non-Aligning Bearing |
| Vibration Level | Z1V1, Z2V2, Z3V3 |
| Lubrication | Grease or Oil |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482200000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Heavy Machinery | Industrial gearboxes, construction equipment, mining machinery |
Need a Reliable SKF 3984/3920 Tapered Roller Bearing for Heavy-Duty Machinery?
Many buyers face challenges with bearing procurement—either struggling to find exact replacements for worn parts or dealing with substandard products that fail prematurely under heavy loads. When your machinery depends on precise componentry, choosing the wrong bearing can lead to costly downtime and maintenance delays.
Engineered for Heavy-Duty Performance
The SKF 3984/3920 tapered roller bearing addresses these pain points with its robust design and precise dimensions of 66.68×112.71×30.16mm. As a professional bearing supplier with access to a comprehensive range of international brands, we ensure you get the exact specifications needed for your equipment. Whether for industrial gearboxes, construction machinery, or mining applications, this bearing delivers consistent performance under demanding conditions.
Optimal Performance in Demanding Conditions
This SKF heavy duty bearing is specifically designed to handle radial and axial loads in high-torque environments. Its separated structure allows for easy mounting and adjustment, while the single-row taper design ensures efficient load distribution. With vibration levels rated up to Z3V3, it minimizes operational noise and instability—critical factors in heavy machinery where precision directly impacts productivity.
Key Engineering Features That Matter
The SKF 3984/3920 tapered roller bearing incorporates several critical design elements. Its precision rating options (from P0 to P2) allow customization based on application requirements—higher precision grades like P4 or P2 are ideal for equipment where minimal runout is essential. The choice of cage materials (iron, brass, or nylon) offers flexibility: brass cages excel in high-temperature settings, while nylon reduces weight and friction. Additionally, seal options including ZZ (metal shields) and 2RS (rubber seals) protect against contaminants, extending service life in harsh environments.
Why Proper Bearing Selection Lowers Total Costs
Investing in a quality tapered roller bearing like the SKF 3984/3920 reduces long-term costs compared to using inferior alternatives. Poorly manufactured bearings often fail early due to material inconsistencies or imprecise tolerances, leading to unplanned downtime, replacement parts, and labor expenses. This SKF bearing, with its strict production standards and traceable origin, ensures reliability—helping you avoid the hidden costs of frequent replacements and equipment damage.
Quality You Can Trust
Our supply chain adheres to ISO 9001 standards, with rigorous inspection processes for raw materials and finished products. Each bearing undergoes dimensional and hardness testing before shipment, ensuring compliance with specifications. We offer a warranty against manufacturing defects, providing peace of mind for your purchase. With access to extensive inventory, we support both urgent and bulk orders, delivering the SKF 3984/3920 bearing when you need it.
Packaging & Shipping
- Packaged in cartons with pallet options for bulk orders
- Standard package dimensions: 12.50cm × 12.50cm × 4.00cm (gross weight: 1.200kg)
- Multiple shipping methods available: express, air, or sea freight
- Low minimum order quantities supported for both trial and production needs
Get Your SKF 3984/3920 Bearing Quote Today
To ensure you receive the correct bearing for your application, share your equipment details, required quantity, and delivery location. Our technical team can verify compatibility and provide pricing with lead times. Whether you need a single unit or a large-scale order, we streamline the procurement process to keep your operations running smoothly.
Frequently Asked Questions
Q: Can you supply other bearing brands or models?
A: Yes, we offer a full range of international and domestic brands, including SKF, NSK, NTN, Koyo, and more. We can source specific models based on your requirements.
Q: How do I confirm if this bearing fits my machinery?
A: Provide your equipment model or existing bearing dimensions (d x D x B), and our technical team will cross-verify compatibility with the SKF 3984/3920 specifications.
Q: What is your warranty policy?
A: We provide a warranty against manufacturing defects. Specific terms are outlined in the order contract, with coverage for replacement or refund in case of quality issues.
Q: What is the minimum order quantity?
A: We support low minimum order quantities, including single-unit purchases for emergency replacements or trial installations.
Q: How long does shipping take?
A: In-stock items ship within 1-3 business days. Delivery time depends on the chosen method: express (3-5 days), air freight (5-7 days), or sea freight (2-4 weeks).
Q: Do you offer OEM/ODM services?
A: Yes, we can provide customized bearing solutions, including special packaging, laser marking, and technical documentation, based on your specific requirements.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
