Product Specifications
| Parameter |
Details |
| Model NO. |
NN 3028 K/SPW33VR5220 |
| Type |
Roller |
| Selling Units |
Single Item |
| Inner Diameter |
140 mm |
| Number of Row |
Double Row |
| Single Gross Weight |
0.100 kg |
| Structure |
Cylindrical |
| Seals Type |
Open |
| Trademark |
SKF |
| Origin |
China |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tool Spindles, Gearboxes, Reducers |
| Manufacturing |
Printing Machinery, Textile Equipment, Packaging Machines |
| Automotive |
Transmission Systems, Electric Motors |
Reduce Downtime with Precision Engineered Super Precision Double Row Cylindrical Roller Bearing NN 3028 K/SPW33VR5220
Industrial machinery operators know the cost of unexpected downtime—missed deadlines, maintenance overtime, and production losses add up quickly. When critical components like bearings fail prematurely, the root cause often traces back to substandard quality or incorrect specification. For high-precision applications like machine tool spindles and gearboxes, choosing the right bearing isn’t just about performance—it’s about protecting your operation’s reliability.
Superior Performance for Demanding Industrial Applications
The Super Precision Double Row Cylindrical Roller Bearing NN 3028 K/SPW33VR5220 is engineered to meet the rigorous demands of industrial machinery. With a double row cylindrical structure and open design, it delivers exceptional radial load capacity and precision, making it ideal for high-speed rotation in machine tools, reducers, and printing equipment. As a professional bearing supplier with over 18 years of export experience, we ensure every unit meets strict quality standards, backed by ISO 9001:2015 and ISO 14001 certifications.
Optimized for High-Speed, Heavy-Load Conditions
This cylindrical roller bearing excels in applications requiring both precision and durability. Its double row configuration distributes radial loads evenly, while the open design allows for lubrication customization to suit specific operating conditions. Whether your equipment operates in continuous production environments or handles variable loads, the NN 3028 K/SPW33VR5220 provides stable performance, reducing the risk of unplanned shutdowns.
Technical Features That Drive Reliability
Key technical attributes of this bearing directly impact operational efficiency. The 140 mm inner diameter ensures compatibility with standard industrial shafts, while the double row structure enhances load-bearing capability for heavy-duty machinery. The roller design minimizes friction, supporting higher rotational speeds without compromising precision. As part of our commitment to quality, each bearing undergoes dimensional detection and performance testing in our in-house laboratory, ensuring compliance with ISO, ABMA, and DIN international standards.
Why Genuine Bearings Matter for Total Cost of Ownership
Opting for non-genuine bearings may seem cost-effective upfront, but the long-term consequences often include frequent replacements, increased energy consumption, and damaged equipment. Genuine SKF bearings like the NN 3028 K/SPW33VR5220 are manufactured with high-grade chrome steel and premium raw materials, ensuring longer service life and consistent performance. Our strict incoming material inspection and full-process production supervision further guarantee reliability, helping you avoid the hidden costs of substandard components.
Your Trusted Partner for Bearing Solutions
At Jinan Saifan Bearing Co., Ltd, we combine decades of industry expertise with a customer-centric approach. We serve clients across Europe, North America, Southeast Asia, and the Middle East, offering one-stop service from R&D to global sales. Our flexible order policies—including 1 piece MOQ for standard bearings and 3-5 day delivery for samples—support both small-scale maintenance and large production runs. With a 12-month warranty and professional technical support for selection, installation, and troubleshooting, we stand behind every product we supply.
Packaging & Shipping
- Package Size: 25.00cm * 25.00cm * 25.00cm
- Package Gross Weight: 0.200kg
- Sample orders shipped within 3-5 working days
- Bulk orders delivered in 5-15 working days
- Multiple logistics options available (air, sea, express)
- 1 piece MOQ supported for standard bearings
Get Your Precision Bearing Today
Don’t let equipment downtime affect your bottom line. Whether you need a single replacement bearing or bulk orders for production, we ensure fast delivery and reliable performance. Contact us with your application details, and our technical team will help confirm the right specification for your machinery.
Frequently Asked Questions
Q: Is this a genuine SKF bearing?
A: Yes, we supply genuine original brand bearings, including SKF, NSK, and INA. All products are sourced from authorized channels and come with traceable documentation.
Q: How do I confirm if this bearing fits my equipment?
A: Provide your equipment model, shaft diameter, and operating conditions (load, speed, temperature), and our technical team will verify compatibility free of charge.
Q: What is your warranty policy?
A: We offer a 12-month warranty from the date of delivery. Defective products due to manufacturing issues will be replaced or refunded.
Q: What is the minimum order quantity?
A: Standard bearings have a 1 piece MOQ. Sample orders are available without MOQ, and customized order quantities are negotiable.
Q: How long does shipping take?
A: Sample orders ship in 3-5 working days, bulk orders in 5-15 working days. We offer DHL, FedEx, Alibaba logistics, and sea/air freight options.
Q: How can I verify the bearing’s authenticity?
A: Genuine bearings include original packaging with brand markings and serial numbers. We provide certification documents upon request to confirm authenticity.
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