Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | NN3020TN9/SPW33 |
| Bearing Type | Double Row Cylindrical Roller Bearing |
| Inner Diameter (d) | 100 mm |
| Number of Rows | Double Row |
| Structure | Cylindrical |
| Seals Type | Open |
| Trademark | SKF |
| Single Gross Weight | 0.250 kg |
| Selling Units | Single Item |
| Origin | China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Precision machine tools, gearboxes, spindles |
| Steel Mills | Rolling mill equipment, processing lines |
| Automotive | Transmission systems, powertrain components |
| Wind Power | Generator sets, gearbox assemblies |
Need a Reliable SKF NN3020TN9/SPW33 Double Row Cylindrical Roller Bearing? Here’s What Matters
Industrial buyers often face challenges with bearing procurement—whether it’s verifying authenticity, finding precise dimensions that match equipment requirements, or ensuring timely delivery of critical components. A mismatch in roller bearing specifications can lead to increased vibration, premature wear, and unexpected downtime in precision machinery. With so many suppliers claiming to offer genuine products, distinguishing between reliable sources and substandard alternatives becomes a key concern for maintenance and procurement teams.
Built for Precision and Long-Term Performance
The SKF NN3020TN9/SPW33 double row cylindrical roller bearing addresses these challenges by delivering consistent quality through ISO 9001 certified manufacturing processes. As a supplier with access to a comprehensive range of international brands, we ensure this bearing meets the exacting standards required for applications like machine tool spindles and gearbox assemblies. Our extensive inventory means we can fulfill orders quickly, reducing lead times and minimizing production disruptions for your operations.
Where This Double Row Cylindrical Roller Bearing Performs Best
This precision industrial bearing excels in high-load, high-speed applications where radial rigidity and accuracy are critical. Its double row design provides increased radial load capacity compared to single row alternatives, making it suitable for heavy-duty machinery in steel mills and automotive production lines. The open seal configuration allows for easy lubrication maintenance, ensuring optimal performance in environments where operating temperatures range from -30°C to 120°C, typical of industrial processing equipment.
Engineering Details That Impact Performance
The NN3020TN9/SPW33’s cylindrical roller structure is engineered for precise radial load distribution, with each roller guided by a machined cage that maintains uniform spacing during rotation. This design minimizes friction and heat generation, extending bearing life in continuous-operation scenarios. The 100 mm inner diameter ensures compatibility with standard shaft sizes, while the double row arrangement provides additional stability in applications prone to slight misalignment. The bearing’s surface hardness, achieved through controlled heat treatment, resists indentation and wear, critical for maintaining precision in gearbox and spindle applications where dimensional accuracy directly affects product quality.
Why Choosing the Right Bearing Reduces Total Cost
Selecting a high-quality double row cylindrical roller bearing like the NN3020TN9/SPW33 may involve a higher initial investment, but it significantly reduces long-term costs. Inferior bearings often fail prematurely due to material inconsistencies or poor manufacturing tolerances, leading to unplanned maintenance, production downtime, and potential damage to adjacent components. By adhering to SKF’s dimensional standards and quality control protocols, this bearing delivers predictable performance, allowing for accurate maintenance scheduling and reducing the risk of catastrophic equipment failure. In precision industrial machinery, where downtime can cost thousands per hour, the reliability of this bearing directly contributes to lower total cost of ownership.
Quality You Can Verify
We stand behind the quality of every bearing we supply through rigorous inspection processes. Each NN3020TN9/SPW33 bearing undergoes dimensional accuracy checks, hardness testing, and surface finish verification to ensure compliance with industry standards. We provide comprehensive documentation, including batch test reports and origin certificates, to confirm authenticity and performance specifications. Our warranty covers manufacturing defects, giving you confidence in your purchase. With access to both global brands and domestic alternatives, we can source the exact bearing you need, whether you require a single unit for emergency replacement or bulk orders for production lines.
Packaging & Shipping
- Packaged in sturdy 20.00cm × 20.00cm × 20.00cm cartons to prevent damage during transit
- Single package gross weight: 0.300kg, ensuring secure handling and cost-effective shipping
- Multiple shipping options available, including express courier, air freight, and sea freight
- Low minimum order quantity supported, from single units to large-scale industrial orders
Get a Quote for Your SKF NN3020TN9/SPW33 Bearing Requirement
Whether you need to replace a worn bearing in a critical machine or stock up on spare parts, we can provide the NN3020TN9/SPW33 double row cylindrical roller bearing you require. Simply share your exact model number, quantity, and delivery location, and our team will promptly provide pricing and availability. With our global supply chain and local inventory, we can arrange shipping to meet your timeline, ensuring minimal disruption to your operations.
Frequently Asked Questions
Q: Can you supply other brands or models of cylindrical roller bearings?
A: Yes, we offer a full range of bearing brands and models, including international brands like NSK, NTN, Koyo, and domestic alternatives. We can source bearings according to your specific brand or dimensional requirements.
Q: How do I confirm if this bearing fits my equipment?
A: Provide your equipment model or the bearing dimensions (inner diameter, outer diameter, width), and our technical team will cross-verify compatibility with the NN3020TN9/SPW33 specifications.
Q: What warranty do you offer on this bearing?
A: We provide a warranty covering manufacturing defects. The specific terms and duration are detailed in our sales contract, ensuring coverage for material and workmanship issues.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, including single unit purchases, to accommodate both emergency replacements and small-scale maintenance needs.
Q: How long does shipping take to my location?
A: Shipping time depends on your location and chosen method. Express courier typically takes 3-5 days, air freight 7-10 days, and sea freight 30-45 days for major international destinations.
Q: Do you offer OEM or custom bearing solutions?
A: Yes, we can provide OEM/ODM services for custom bearing designs. Share your technical drawings or specifications, and we will work with our manufacturing partners to produce bearings tailored to your 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.
