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Lead Time

7-15 Days

Stock

In Stock

SKF · Cylindrical Roller Bearing

Double Row Cylindrical Roller Bearing NU311 EC P/C3 for High-Speed Industrial Machinery with Brass Cage

<p>Ensure smooth, high-speed operation in your industrial machinery with the <strong>Double Row Cylindrical Roller Bearing NU311 EC P/C3</strong>, designed to minimize downtime and maximize performance. This SKF cylindrical roller bearing features a precision brass cage that reduces friction at elevated speeds, making it ideal for critical applications where reliability under heavy loads is non-negotiable.</p><ul><li>Engineered with C3 clearance to accommodate thermal expansion in high-temperature environments, ensuring consistent operation even during extended use</li><li>Constructed from premium bearing steel with 60-64 HRC hardness for exceptional durability and wear resistance</li><li>Separable design allows for easy installation and maintenance, reducing service time and operational disruptions</li></ul>

Product specifications
Parameter Value
Model Number Double Row Cylindrical Roller Bearing NU311 EC P/C3 for High-Speed Industrial Machinery with Brass Cage
Brand SKF
Category Cylindrical Roller Bearing
Quality System SKF Global QMS · COC · Traceability
Origin SKF Official Factory
Delivery 7-15 days door-to-door
Authentic SKF
COC Included
40+ Countries
Fast Delivery

Product Details

Double Row Cylindrical Roller Bearing NU311 EC P/C3 for High-Speed Industrial Machinery with Brass Cage -- Full Specifications

Product Specifications

ParameterDetails
Model NO.Double Row Cylindrical Roller Bearing
Outer DimensionMedium and Large(120-190mm)
MaterialBearing Steel
SphericalNon-Aligning Bearings
Load DirectionAxial Bearing
SeparatedSeparated
ClearanceC0 C2 C3 C4 C5
CageBrass, Steel
VibrationZ1V1 Z2V2 Z3V3
Hardness60-64 HRC
Transport PackageCarton Pallet
HS Code8482800000

Application Suitability

IndustryTypical Applications
Industrial MachineryHigh-Speed Rotating Equipment

Finding the Right NU311 EC P/C3 Double Row Cylindrical Roller Bearing for High-Speed Machinery?

Selecting the correct bearing for high-speed industrial applications often means balancing precision, durability, and compatibility. Many buyers face challenges with premature bearing failure due to incorrect clearance levels or cage material mismatch, leading to costly downtime and equipment damage. Sourcing from multiple suppliers to find the right specifications can further delay projects and increase procurement complexity.

Engineered for High-Speed Performance and Reliability

The Double Row Cylindrical Roller Bearing NU311 EC P/C3 with Brass Cage addresses these challenges by combining robust construction with industry-standard dimensions. Designed for high-speed industrial machinery, this bearing features a separated structure that simplifies installation and maintenance, while its brass cage provides stable performance under varying loads. With a hardness rating of 60-64 HRC, it delivers the durability needed for continuous operation in demanding environments.

Optimal Performance in High-Speed Rotating Applications

This bearing excels in applications where rotational speed and axial load capacity are critical factors. The C3 clearance designation ensures proper operation at high speeds by allowing sufficient internal space for thermal expansion, reducing friction and heat buildup. Its non-aligning design makes it suitable for machinery with precise shaft alignment, such as conveyors, pumps, and gearboxes in industrial settings.

Key Engineering Features for Enhanced Performance

The bearing's brass cage offers superior strength and heat resistance compared to steel alternatives, making it ideal for high-speed applications where temperature management is essential. The use of high-quality bearing steel ensures consistent hardness (60-64 HRC), which directly contributes to wear resistance and extended service life. The separated inner and outer rings allow for easy mounting and dismounting, simplifying maintenance procedures and reducing downtime during inspections or replacements. Additionally, the availability of multiple clearance options (C0, C2, C3, C4, C5) allows for customization based on specific application requirements, ensuring optimal performance in various operating conditions.

Why Proper Bearing Selection Impacts Total Operational Costs

Choosing the right bearing directly affects long-term operational efficiency. A bearing with incorrect clearance or material composition can lead to early failure, resulting in unplanned downtime, repair costs, and potential damage to adjacent components. The NU311 EC P/C3's adherence to industry standards ensures compatibility with existing equipment, reducing the need for costly modifications. By investing in a bearing designed for high-speed performance, you minimize the risk of premature wear and extend maintenance intervals, ultimately lowering the total cost of ownership over time.

Quality Assurance You Can Trust

Our manufacturing and procurement processes follow strict quality control measures, including material inspection and成品 testing to ensure compliance with industry standards. All bearings undergo dimensional and hardness checks to verify performance capabilities. We provide a warranty covering manufacturing defects, with clear terms outlined in each purchase agreement. Our extensive network allows us to source bearings across various brands and specifications, ensuring you get the right product for your needs. With现货 inventory for common models, we support quick turnaround times to meet your project deadlines.

Packaging & Shipping

  • Packaged in carton pallets to ensure secure transportation and storage
  • 现货 available for prompt shipping on confirmed orders
  • Flexible shipping options including express courier, air freight, and sea freight to accommodate delivery requirements
  • Low minimum order quantity supported, suitable for both small-scale maintenance and large-volume production needs

Get a Quote for Your NU311 EC P/C3 Bearing Requirement

Whether you need a single unit or bulk quantities, we can provide pricing and availability for the Double Row Cylindrical Roller Bearing NU311 EC P/C3 with Brass Cage. Simply share your specific requirements, including quantity and delivery location, and our team will respond with a tailored quote. The sooner you confirm your order, the sooner we can arrange shipment to keep your operations running smoothly.

Frequently Asked Questions

Q: Do you support procurement of other bearing brands and models?

A: Yes, we offer a comprehensive range of bearings across various international and domestic brands. We can source specific models according to your requirements, ensuring compatibility with your equipment.

Q: How can I confirm if this bearing fits my machinery?

A: Provide the required dimensions (bore diameter, outer diameter, width) or existing bearing model number, and our technical team will verify compatibility with your application specifications.

Q: What is your warranty policy for bearings?

A: We provide a warranty against manufacturing defects. The specific terms, including duration, are detailed in the purchase contract. Defective products covered by warranty can be replaced or returned for a refund.

Q: What is the minimum order quantity for this bearing?

A: We support low minimum order quantities, allowing you to purchase small volumes for maintenance or testing purposes, as well as larger quantities for production needs.

Q: How long does shipping take, and what methods are available?

A: For现货 items, we ship within 1-3 business days. Shipping methods include express courier (3-7 days), air freight (5-10 days), and sea freight (20-40 days), depending on your location and urgency.

Q: Can you provide OEM or ODM customization for bearings?

A: Yes, we offer customization services based on your technical drawings or specific requirements, including material, dimensions, and cage type modifications.

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Double Row Cylindrical Roller Bearing NU311 EC P/C3 for High-Speed Industrial Machinery with Brass Cage

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