Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | NN 3028 K/SPW33VR5220 |
| Bearing Type | Double Row Cylindrical Roller Bearing |
| Inner Diameter | 140 mm |
| Number of Rows | Double Row |
| Structure | Cylindrical |
| Seals Type | Open |
| Trademark | SKF |
| Origin | China |
| Single Gross Weight | 0.100 kg |
| Selling Units | Single Item |
| Package Size | 25.00cm × 25.00cm × 25.00cm |
| Package Gross Weight | 0.200 kg |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | High-precision machine tools, gearboxes, spindles |
| Automation Equipment | Robotic arms, precision conveyors |
| Metallurgical Equipment | Rolling mill stands, processing lines |
Need a Reliable SKF NN 3028 K Bearing for High-Precision Machinery? Here’s What Matters
Selecting the right bearing for high-precision machinery can be challenging. Mismatched dimensions lead to installation delays, while substandard precision causes premature wear and equipment vibration. Sourcing from multiple suppliers to find the exact model further complicates procurement, increasing lead times and operational risks.
Engineered for Consistent Performance in Precision Applications
The SKF NN 3028 K/SPW33VR5220 super precision double row cylindrical roller bearing addresses these challenges. As a supplier with extensive experience across industrial bearings, we ensure access to a comprehensive range of models, including this high-precision variant. Its double row cylindrical design delivers exceptional radial load capacity, making it ideal for high-speed machine tools and precision gearboxes where stability under heavy loads is critical.
Optimal Performance in Demanding Operating Conditions
This SKF cylindrical roller bearing thrives in environments requiring tight tolerances and reliable operation. With an inner diameter of 140 mm, it accommodates medium to large shaft sizes common in industrial machinery. The open seal design allows for lubrication customization, adapting to specific speed and temperature requirements, while the double row structure enhances rigidity—essential for minimizing deflection in high-precision applications.
Key Engineering Features for Precision Performance
The NN 3028 K/SPW33VR5220 bearing incorporates critical design elements that impact real-world performance. Its cylindrical roller structure ensures uniform load distribution across the raceway, reducing stress concentrations and extending service life. The precision manufacturing tolerances guarantee consistent fit and alignment, which is vital for maintaining accuracy in CNC machines and automated production lines. Additionally, the double row configuration provides higher radial stiffness compared to single row alternatives, making it suitable for applications with high radial loads and moderate axial displacement.
Why Precision Bearings Reduce Total Cost of Ownership
Investing in a quality precision roller bearing for machinery like the SKF NN 3028 K directly impacts operational efficiency. Inferior bearings often fail prematurely due to material inconsistencies or imprecise machining, leading to unplanned downtime, maintenance costs, and potential damage to adjacent components. In contrast, this bearing’s robust construction and strict quality control minimize failure risks, lowering long-term expenses. By meeting the exacting standards of high-precision machinery, it ensures stable operation, reducing the need for frequent replacements and associated production interruptions.
Quality Assurance You Can Trust
Our commitment to quality is backed by ISO 9001 certified processes, from原材料检验 to成品 testing. Each bearing undergoes rigorous dimensional and hardness checks to ensure compliance with industry standards. We offer a warranty against manufacturing defects, providing peace of mind for your critical applications. With a diverse network of global suppliers, we can source both standard and hard-to-find models, ensuring you get the right bearing when you need it. Our inventory includes conventional and rare SKF models, supporting urgent delivery requirements for time-sensitive projects.
Packaging & Shipping
- Standard packaging: 25.00cm × 25.00cm × 25.00cm cartons, suitable for safe transportation
- Stock availability: Ready for dispatch to meet urgent delivery needs
- Flexible logistics: Options include express courier, air freight, and sea shipping based on your timeline
- Order flexibility: Low minimum order quantity supported, ideal for both small-scale trials and large-volume procurement
Get a Quote for Your SKF NN 3028 K Bearing Requirement
Whether you need a single unit or bulk quantities of the NN 3028 K/SPW33VR5220 bearing, provide your specifications, quantity, and delivery location, and we’ll deliver a competitive quote promptly. Our team can also assist with cross-referencing part numbers or confirming compatibility with your equipment, ensuring you get the right bearing for your application.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we offer a full range of bearings from international brands including NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, and domestic Chinese brands, as well as custom-manufactured options.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment model or existing bearing dimensions (inner diameter, outer diameter, width), and our technical team will verify compatibility with the NN 3028 K/SPW33VR5220 specification.
Q: What is your warranty policy for bearings?
A: We provide a warranty against manufacturing defects. Specific terms, including duration, are detailed in each sales contract, with defective products eligible for replacement or refund.
Q: What is the minimum order quantity for this bearing?
A: We accept small orders, with no strict minimum quantity. This allows for trial purchases before committing to larger volumes.
Q: How long does shipping take, and what methods are available?
A: In-stock items ship within 1-2 business days. Shipping options include express (3-5 days), air freight (5-7 days), and sea freight (20-40 days), depending on your location and urgency.
Q: Can you provide custom bearings with specific dimensions or features?
A: Yes, we support OEM/ODM customization. Provide your detailed drawings or specifications, and we can manufacture 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.
