Product Specifications
| Parameter |
Details |
| Model NO. |
NN3011KTN/SPVR522 |
| Type |
Roller |
| Selling Units |
Single Item |
| Number of Row |
Double Row |
| Inner Diameter |
55 mm |
| Single Gross Weight |
0.250 kg |
| Single Package Size |
10×10×10 cm |
| Structure |
Cylindrical |
| Seals Type |
Open |
| Trademark |
SKF |
| Origin |
China |
Application Industries
| Industry |
Typical Equipment |
| Manufacturing |
CNC Machine Tools, Precision Spindles, Gearboxes |
| Industrial Machinery |
Robotic Arms, Measuring Instruments, Semiconductor Equipment |
| Medical Devices |
Imaging Equipment, Precision Surgical Tools |
| Aerospace |
Avionics Components, Satellite Tracking Systems |
NN3011KTN/SPVR522 Thin Section Crossed Cylindrical Roller Bearing: Solving Precision Machinery Downtime
Precision machinery operators know the cost of bearing failure—unplanned downtime, scrapped workpieces, and missed deadlines. When low-quality bearings compromise accuracy in CNC spindles or robotic arms, the ripple effect hits production schedules and profitability. Sourcing reliable, high-precision bearings often means navigating minimum order quantities that leave small-batch buyers struggling, or waiting weeks for overseas shipments.
Engineered for Precision: Thin Section Crossed Cylindrical Roller Bearing You Can Trust
The NN3011KTN/SPVR522 Thin Section Crossed Cylindrical Roller Bearing addresses these challenges with its double-row cylindrical structure, designed for high rigidity and precise rotation in compact spaces. As a professional bearing manufacturer and supplier with decades of export experience, we ensure each unit meets strict quality control standards—from raw material inspection to full-process production supervision. This bearing supports the exacting demands of precision machinery, where even micron-level deviations can disrupt operations.
Optimal Performance in Critical Applications
This Crossed Cylindrical Roller Bearing excels in applications requiring both radial and axial load capacity within limited installation space. Its open design allows for lubrication customization, making it ideal for high-speed precision machinery like CNC tool spindles and semiconductor manufacturing equipment. The double-row configuration distributes loads evenly, ensuring stability during continuous operation—critical for industries where production uptime directly impacts bottom lines.
Technical Details That Define Reliability
The NN3011KTN/SPVR522’s performance is rooted in key technical features. With an inner diameter of 55 mm and lightweight 0.250 kg construction, it balances strength with low inertia—essential for rapid acceleration/deceleration in robotic systems. The cylindrical roller structure minimizes friction, reducing heat generation during high-speed rotation. As part of our commitment to precision, this bearing aligns with our production capabilities for P0 to P4 precision grades, ensuring consistent performance in even the most demanding industrial environments.
Beyond Price: The Value of Genuine Precision Bearings
Choosing genuine bearings avoids the hidden costs of counterfeits—premature wear leading to unexpected shutdowns, increased maintenance, and potential damage to expensive machinery. Our products meet ISO international industrial standards, supported by ISO 9001:2015 and ISO 14001 certifications. While cheaper alternatives may seem attractive upfront, the total cost of ownership—including downtime and replacement—often makes genuine bearings the more economical choice for long-term operations.
Your Trusted Partner for Precision Bearings
With over 15 years in the industry, we serve brand owners, distributors, and industrial buyers across Europe, North America, and Southeast Asia. Our strict quality control includes in-house laboratory testing for dimensional accuracy and performance. We offer flexible order policies—1 piece MOQ for standard bearings—and efficient delivery, with sample orders shipped in 3-5 working days. Our professional technical team provides free guidance on selection and installation, ensuring you get the right bearing for your specific application.
Packaging & Shipping
- Protective single-item packaging with 10×10×10 cm carton for secure transport
- Sample orders shipped within 3-5 working days; bulk orders within 5-15 working days
- Multiple logistics options including DHL, FedEx, and Alibaba platform shipping
- Real-time tracking provided for all shipments
- 1 piece MOQ available for standard bearings, supporting emergency maintenance needs
Secure Your Precision Machinery’s Performance Today
Don’t let bearing issues disrupt your production. The NN3011KTN/SPVR522 Thin Section Crossed Cylindrical Roller Bearing delivers the reliability and precision your equipment demands. Whether you need a single unit for emergency repair or bulk orders for production lines, we ensure timely delivery and consistent quality.
Frequently Asked Questions
Q: Is this a genuine SKF bearing?
A: Yes, we supply genuine original brand bearings, including SKF, with complete traceability to ensure authenticity.
Q: How do I confirm if this bearing fits my equipment?
A: Provide your equipment model or technical specifications, and our professional technical team will verify compatibility free of charge.
Q: What is the warranty policy?
A: All products come with a 12-month warranty from the date of receipt, covering manufacturing defects with free replacement or refund.
Q: What is the minimum order quantity?
A: Standard bearings have a 1 piece MOQ, supporting small-batch and emergency orders.
Q: How long does shipping take?
A: Sample orders ship in 3-5 working days; bulk orders take 5-15 working days, with multiple logistics options available.
Q: How can I verify the bearing’s authenticity?
A: Each product includes original packaging and certification; we provide full traceability documents upon request.
Ready to order or need a quote?
Send your bearing model, application details, and quantity to sales02@saifan-group.com—we’ll respond within 24 hours.
