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SKF · Cylindrical Roller Bearing

Double Row Cylindrical Roller Bearing NU220 EC ML/C3 for Wind Power Generation Equipment

<p>Ensure reliable power generation with the <strong>Double Row Cylindrical Roller Bearing NU220 EC ML/C3</strong>, engineered to minimize downtime in wind turbine applications. This wind power bearing delivers exceptional radial load capacity and precise operation, thanks to its brass cage design that reduces friction and heat buildup during high-speed rotation.</p><ul><li>C3 clearance ensures optimal performance under thermal expansion, a critical feature for consistent energy output in varying environmental conditions</li><li>Separated inner and outer rings simplify installation and maintenance, saving valuable time for your engineering team</li><li>Made from high-grade bearing steel with 60-64 HRC hardness, providing long-term durability for critical wind power equipment</li></ul>

Product specifications
Parameter Value
Model Number Double Row Cylindrical Roller Bearing NU220 EC ML/C3 for Wind Power Generation Equipment
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 NU220 EC ML/C3 for Wind Power Generation Equipment -- Full Specifications

Product Specifications

ParameterDetails
Bearing TypeDouble Row Cylindrical Roller Bearing
Outer Dimension RangeMedium and Large (120-190mm)
MaterialBearing Steel
Alignment TypeNon-Aligning Bearings
Load DirectionAxial Bearing
Separable DesignSeparated
Clearance OptionsC0, C2, C3, C4, C5
Cage MaterialBrass, Steel
Vibration ClassZ1V1, Z2V2, Z3V3
Hardness60-64 HRC
OriginJiangsu China
HS Code8482800000

Application Suitability

IndustryTypical Applications
Wind Power GenerationWind turbine main shafts, gearbox assemblies

Need a Reliable NU220 EC ML/C3 Double Row Cylindrical Roller Bearing for Wind Turbines?

Selecting the right bearing for wind power equipment involves balancing load capacity, clearance requirements, and material durability. Many buyers face challenges with misaligned specifications causing premature failure or difficulty sourcing bearings that meet both performance and delivery needs.

Engineered for Wind Power Equipment Demands

This Double Row Cylindrical Roller Bearing is designed to address the critical needs of wind power generation equipment. With a separable structure for easier installation and maintenance, it supports axial loads while accommodating the operational stresses of wind turbine gearboxes and main shafts. Our extensive inventory and global distribution network ensure access to hard-to-find models like the NU220 EC ML/C3, with same-day shipping for in-stock items.

Optimal Performance in Wind Turbine Applications

Operating in variable wind conditions requires bearings that handle dynamic loads and temperature fluctuations. This C3 Clearance Bearing provides the necessary radial play to accommodate thermal expansion, while its brass cage offers high strength and heat resistance—essential qualities for continuous operation in wind turbine environments. The 60-64 HRC hardness ensures wear resistance under heavy loads, making it suitable for both pitch control and yaw drive systems.

Key Engineering Features for Reliability

The separated cylindrical roller design allows for independent mounting of inner and outer rings, simplifying assembly in tight spaces common in wind turbine gearboxes. The C3 clearance rating is specifically chosen to prevent bearing seizure during temperature variations, a critical factor in outdoor energy applications. Bearing steel construction ensures consistent hardness across the raceways, reducing vibration (Z1V1 to Z3V3 options) and extending service life. The combination of brass cage material and precise manufacturing tolerances minimizes friction, directly contributing to lower maintenance costs and improved energy efficiency.

Why Proper Bearing Selection Reduces Total Cost

Choosing the correct double row cylindrical roller bearing directly impacts operational expenses. A bearing with inadequate clearance or improper cage material can lead to unplanned downtime, gearbox damage, and increased lubrication requirements. This NU220 EC ML/C3 Bearing for Wind Turbine applications is engineered to meet the exacting standards of wind power equipment, where component failure can result in costly repairs and lost energy production. By investing in bearings that match the application's load, temperature, and alignment needs, operators reduce long-term maintenance costs and extend equipment lifespan.

Quality Assurance You Can Trust

Our bearings undergo rigorous quality control processes, including material verification and dimensional accuracy checks, to ensure compliance with industry standards. Each unit is manufactured under ISO 9001 certified procedures, from raw material inspection through final hardness testing (60-64 HRC). We provide comprehensive documentation, including batch inspection reports, to support traceability. All products are backed by a warranty against manufacturing defects, giving you confidence in your procurement decision.

Packaging & Shipping

  • Standard packaging: Carton and pallet for secure transportation
  • Same-day shipping available for in-stock items
  • Flexible delivery options: Express courier, air freight, or sea transport
  • Low minimum order quantity supported for both trial and bulk purchases

Get a Quote for Your NU220 EC ML/C3 Bearing Requirement

Whether you need a single unit or bulk order of the NU220 EC ML/C3 Double Row Cylindrical Roller Bearing, we can provide competitive pricing and reliable delivery. Share your specific requirements, including quantity and delivery location, and our technical team will assist with product verification and availability.

Frequently Asked Questions

Q: Do you supply bearings from other brands or models?

A: Yes, we offer a full range of bearings across international and domestic brands. We can source specific models according to your requirements.

Q: How can I confirm if this bearing fits my wind turbine equipment?

A: Provide your equipment model or existing bearing dimensions (bore, outer diameter, width), and our technical team will verify compatibility with the NU220 EC ML/C3 specification.

Q: What is your warranty policy for this bearing?

A: We provide a warranty against manufacturing defects. Specific terms are detailed in our sales agreement, with coverage for material and workmanship issues.

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

A: We support low minimum order quantities, including single-unit purchases, to accommodate both maintenance and production needs.

Q: How long does shipping take to my location?

A: In-stock items ship the same day. Delivery time depends on your location, with standard transit times of 7-15 days to most countries via our global logistics network.

Q: Can you provide custom bearing solutions?

A: Yes, we offer OEM/ODM services for bearings requiring custom dimensions, clearances, or materials. Contact us with your technical drawings or specifications.

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Double Row Cylindrical Roller Bearing NU220 EC ML/C3 for Wind Power Generation Equipment

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