Sep 19, 2026 · Installation & Maintenance
Remove Ball Bearings from Motor Shafts: Wholesale Supplier
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Read the selection guideSKF bearings by designation · Itemized written quotes for mixed project lists




State the exact execution (designation suffix), whether you need the complete assembly, and which housings or mounting accessories belong on the same line. Keep precision items separate, with accuracy class and arrangement.
Technical data
Listed data for this SKF designation; confirm the execution and dimensions against your drawing or application before ordering.
| Category | Cylindrical Roller Bearing |
|---|
| Parameter | Details |
|---|---|
| Model Number | NN 3024 TN3/SPW33 |
| Bearing Type | Double Row Cylindrical Roller Bearing |
| Inner Diameter (d) | 120 mm |
| Seals Type | Open |
| Structure | Cylindrical |
| Weight | 0.250 kg |
| Package Size | 20.00cm × 20.00cm × 20.00cm |
| Package Gross Weight | 0.300 kg |
| Selling Units | Single Item |
| Industry | Typical Applications |
|---|---|
| Precision Machinery | Machine tool spindles, precision gearboxes, high-speed rotating equipment |
Precision machinery operators know the frustration of bearing failures—misalignment issues causing vibration, premature wear from substandard materials, and the headache of sourcing authentic replacement parts. When your equipment relies on high rotational accuracy, choosing the wrong double row cylindrical roller bearing can lead to costly downtime and compromised product quality.
Our SKF NN 3024 TN3/SPW33 bearing addresses these challenges with its double row cylindrical roller design, engineered to deliver high rigidity and radial load capacity critical for precision machinery. As a specialized supplier with access to a comprehensive range of global bearing brands, we ensure you get the exact specifications needed without the hassle of multiple supplier comparisons. This bearing’s open structure allows for optimal lubrication control, making it ideal for machine tool spindles and precision gearboxes where maintenance access and thermal management are key.
This SKF double row cylindrical roller bearing thrives in applications requiring both radial load support and precise axial alignment. With an inner diameter of 120 mm, it’s sized to fit common precision machinery shafts, while its cylindrical structure ensures minimal friction under high-speed rotation. Whether used in CNC machine tools or precision measuring equipment, the NN 3024 TN3/SPW33 maintains dimensional stability even under varying temperature conditions, reducing the risk of performance degradation over time.
The NN 3024 TN3/SPW33’s double row configuration is a key engineering advantage, distributing radial loads evenly across two sets of rollers to extend service life. Its open design allows for easy inspection and re-lubrication, a critical feature in precision applications where maintenance intervals are planned to minimize downtime. The bearing’s precision manufacturing ensures tight tolerances, which is essential for maintaining shaft concentricity in high-speed operations. At 0.250 kg, its lightweight construction also reduces inertia, contributing to smoother acceleration and deceleration in cyclic motion applications.
Investing in a high precision cylindrical roller bearing like the NN 3024 TN3/SPW33 reduces long-term costs by minimizing unplanned maintenance and extending equipment lifespan. Inferior bearings often fail prematurely due to material fatigue or imprecise machining, leading to production halts and expensive repairs. This SKF bearing’s robust design, based on established engineering standards, ensures predictable performance, allowing maintenance teams to schedule servicing during planned downtime rather than reacting to emergencies. Over time, the reliability of authentic precision bearings translates to lower total cost of ownership compared to cheaper alternatives.
Our supply chain adheres to strict quality management protocols, including ISO 9001-certified inspection processes for all bearings. Each NN 3024 TN3/SPW33 bearing undergoes dimensional and hardness testing to ensure compliance with industry standards. We provide full traceability documentation, including batch inspection reports, so you can verify the origin and quality of every component. With a dedicated inventory of conventional models, we support same-day shipping for in-stock items, ensuring you receive your bearings when needed. Our technical team is available to assist with installation guidance, helping you maximize the bearing’s performance and service life.
Whether you need a single replacement SKF NN 3024 TN3/SPW33 bearing or are sourcing for a production run, we can provide competitive pricing and reliable delivery. Share your exact requirements—including quantity and delivery location—and our team will prepare a detailed quote. With access to a wide range of SKF bearings and related products, we’re equipped to handle all your precision machinery component needs efficiently.
Q: Can you supply other brands or models of cylindrical roller bearings?
A: Yes, we offer a full range of bearings from international brands including SKF, NSK, NTN, Koyo, and NACHI, as well as domestic manufacturers. We can source specific models based on your 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 NN 3024 TN3/SPW33 specifications.
Q: What is your warranty policy for bearings?
A: We provide a warranty against manufacturing defects. The warranty period and terms are specified in each order confirmation, with defective products eligible for replacement or refund per our quality assurance guidelines.
Q: What is the minimum order quantity for this bearing?
A: We accept orders for single units, making it easy to source replacement parts. For bulk orders, we offer volume pricing and can discuss supply agreements for regular procurement.
Q: How long does shipping take to [my country]?
A: Shipping times vary by destination, but most countries receive door-to-door delivery within 7-15 days via our global logistics network. Express options are available for urgent requirements.
Q: Do you offer custom bearing solutions?
A: Yes, we support OEM/ODM services for special applications. Provide your technical drawings or performance requirements, and we can arrange production to your specifications.
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.
Project buyers
"We submitted a long SKF list for a new project, mixing ball, roller, needle and thrust bearings. This supplier came back with itemized pricing, lead times and alternatives for two long-lead references. We could plan the procurement timeline without surprises."
Daniel KimKim Engineering Project · South Korea"When our project timeline shifted and we needed to split the delivery into three batches, the supplier worked with us on the schedule. Each batch arrived complete and on the agreed date. No holding costs, no rush shipping fees."
Mohammed Al-AminAl-Amin Contracting · Saudi ArabiaSame series
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Typical equipment and duty conditions this SKF bearing type is specified for.
Standard and precision lines listed separately, each with model, stock, lead time and validity — so your comparison is line by line, not guesswork.
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Read the selection guideFAQ
Send the selected SKF model, quantity per line, accuracy requirement, mounting accessories, destination country and postcode, and the date you need the goods. Confirm the exact execution and whether you need the complete assembly. With that, Project Purchasing Company returns a written itemized quote.
List precision bearings on separate lines with their accuracy class and arrangement or configuration. Keeping them apart from standard bearings prevents wrong pricing and wrong shipments on mixed project lists.
Yes. Send a photo of the nameplate or bearing markings, and we list the information that still needs confirming. Any technical change or alternative model is clearly marked and requires your approval.
Yes. Shipping method and delivery schedule are confirmed before dispatch, so batches can follow your installation timeline. On receipt, check labels, quantity and condition; any mismatch is handled with your order number and photos.
Request a quote
Project Purchasing Company quotes every line by SKF model, with price and currency, stock, estimated lead time, validity and freight or tax terms. Add related bearings and accessories to the same request.