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Double Row Cylindrical Roller Bearing NN3020TN9/SPW33 for Precision Industrial Machinery
Genuine SKF

Buying for several machines? Add this model to one inquiry with the other SKF bearings, housings and accessories on your list. Each line keeps its own designation, quantity and specification.

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Product details

About this SKF bearing

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.

Why Electrical Equipment

One SKF inquiry. Every line accounted for.

Electrical Equipment is an Authorized SKF Distributor that turns mixed equipment lists into itemised, comparable quotes and consolidated supply for industrial plants, maintenance contractors and distributors worldwide.

Boxed SKF bearings stacked on warehouse shelves Technician inspecting a roller bearing on a workbench Packed bearing cartons on a pallet ready for shipment
  • Broad SKF range in one purchase

    Ball, roller, needle, thrust, mounted and precision bearings handled in a single industrial order.

  • Mixed equipment lists

    One inquiry covers parts for different machines, with designations and internal stock codes matched line by line.

  • Standard and precision flagged

    Routine replacement bearings and special-specification models are labelled separately on your quote.

  • No unapproved substitutes

    Identification gaps are closed before quoting; any alternative is listed separately for your approval.

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Applications

Where this bearing is used

Double Row Cylindrical Roller Bearing NN3020TN9/SPW33 for Precision Industrial Machinery is specified in the applications below. Open an application to see the matching SKF bearing categories.

Buyer feedback

Trusted by plants and maintenance teams

Industrial buyers in the USA, Mexico, Oman, France, New Zealand and Brazil source genuine SKF bearings and mixed lists through Electrical Equipment.

5.0

"When a critical piece of rotating equipment failed, we needed a mixed SKF list urgently. The supplier consolidated the order, shipped same-day, and the parts were on our plant floor in two days. The equipment was back online before the end of the shift."

Ahmed Al-Farsi Ahmed Al-FarsiFarsi Industrial Services · Oman
4.9

"We had a bad experience with counterfeit SKF bearings from another supplier. The bearings from skfus.com are genuine, traceable, and the packaging matches SKF's current format. Our reliability team verified the first batch and we now use them as our primary source."

Luis Hernandez Luis HernandezHernandez Manufacturing · Mexico
5.0

"The SKF mounted units and insert bearings we ordered for a conveyor upgrade were supplied with the correct housing and locking arrangement. Our maintenance team installed them without modification. No noise, no leaks, no call-backs."

Graham McLeod Graham McLeodMcLeod Fabrication · New Zealand
Selection guides

Technical articles for this bearing type

These guides cover selection, identification and replacement points relevant to Double Row Cylindrical Roller Bearing NN3020TN9/SPW33 for Precision Industrial Machinery.

FAQ

Questions about ordering this SKF bearing

Short answers on identification, mixed orders, quote terms and substitutions at Electrical Equipment.

What if my SKF designation is incomplete?

Send a clear photo of the bearing markings and note which details still need confirming. We close identification gaps, including the exact specification and complete assembly, before you accept a quote. Nothing is substituted to fill a gap.

Can I quote this bearing together with other SKF categories?

Yes. Standard, precision and mounted units can sit in one itemised inquiry, with each line keeping its own designation, quantity and specification. Housings and mounting accessories are added when they are part of your supply scope.

What does the written quote include?

Each quote lists the designation, quantity, price and currency, stock availability, estimated lead time and quote validity. Applicable freight or tax terms are stated, and the product documents available for your order are confirmed.

How are substitutions confirmed?

Only with your approval. Any alternative is marked separately on the quote, and every technical change needs sign-off from the buyer before an order is placed.

Warehouse aisle with boxed industrial bearings on steel racks
Request a quote

Get a written quote for Double Row Cylindrical Roller Bearing NN3020TN9/SPW33 for Precision Industrial Machinery

Send this model alone or with your full SKF list. We verify the identification details on every line first, then issue an itemised written quote with lead time and validity.

Identification details are checked line by line before your written quote is issued. Any technical change requires your approval.