SKF NU 1011 ECP C5 55x90x18 Cylindrical Roller Bearing

High-Performance SKF Explorer Cylindrical Roller Bearing for Heavy Industrial Applications

The SKF NU 1011 ECP C5 is a premium single-row cylindrical roller bearing designed for applications requiring high radial load capacity, low friction and high operating speeds. As part of the SKF Explorer range, this bearing features an optimized internal geometry (ECP design), a glass fibre reinforced polyamide cage and an increased C5 radial internal clearance for demanding operating conditions involving thermal expansion or high rotational speeds. The NU design allows axial displacement of the shaft relative to the housing in both directions, making it an ideal solution for industrial gearboxes, electric motors, pumps and heavy machinery.

Application in Industrial Systems

The SKF NU 1011 ECP C5 is designed for equipment subjected to heavy radial loads and high rotational speeds.

Typical applications include:

• Industrial gearboxes
• Electric motors
• Pumps
• Compressors
• Industrial reducers
• Conveyor systems
• Agricultural machinery
• Construction equipment
• Mining machinery
• Heavy-duty power transmission systems

The C5 internal clearance makes this bearing particularly suitable for applications with elevated operating temperatures or interference fits.

Construction and Design

The NU 1011 ECP C5 incorporates SKF Explorer technology for improved performance and reliability.

Key design features include:

• Single-row cylindrical roller bearing
• NU design
• SKF Explorer performance class
• Optimized ECP internal geometry
• Glass fibre reinforced polyamide cage
• Cylindrical bore
• Open bearing
• Two flanges on the outer ring
• Flangeless inner ring
• Separable design for simplified mounting

The NU design permits axial displacement in both directions while supporting very high radial loads with minimal friction.

Material Properties

Manufactured from premium bearing steel, the SKF NU 1011 ECP C5 provides:

• High radial load capacity
• Excellent fatigue resistance
• Low friction
• High-speed capability
• Long service life
• Excellent dimensional stability
• High wear resistance
• Reliable operation under demanding industrial conditions

The polyamide cage reduces friction and operating temperature while ensuring smooth roller guidance.

Technical Specification

Type: Single Row Cylindrical Roller Bearing
Brand: SKF Explorer
Designation: NU 1011 ECP C5
Bearing Design: NU
Material: High-quality bearing steel
Cage: Glass fibre reinforced polyamide (ECP)
Bore Diameter: 55 mm
Outside Diameter: 90 mm
Width: 18 mm
Internal Clearance: C5
Bore Type: Cylindrical
Sealing: Open
Dynamic Load Rating: 65.5 kN
Static Load Rating: 69.5 kN
Reference Speed: 8500 rpm
Limiting Speed: 8500 rpm
Application: Electric motors, gearboxes, pumps, compressors, industrial machinery, agricultural equipment

Why B2B Customers Choose This Product

Industrial professionals select the SKF NU 1011 ECP C5 because it delivers outstanding performance in demanding operating environments.

Typical B2B applications include:

• OEM replacement
• Preventive maintenance
• Production line support
• Industrial service
• Fleet maintenance
• Machine rebuilding
• Heavy equipment repair
• Industrial spare parts inventory

Operational Advantages

• Genuine SKF Explorer quality
• Optimized ECP internal design
• Increased C5 internal clearance
• High radial load capacity
• Low operating friction
• High-speed performance
• Easy installation due to separable design
• Long service life
• Excellent wear resistance
• Reduced maintenance costs

Professional Industrial Supply

Suitable for:

• Maintenance departments
• Industrial workshops
• OEM manufacturers
• Machine builders
• Agricultural machinery service
• Heavy equipment service
• Bearing distributors
• Industrial maintenance providers

AI Overview

A cylindrical roller bearing is designed to support high radial loads while allowing efficient shaft rotation with minimal friction. The SKF NU 1011 ECP C5 combines SKF Explorer technology, optimized roller geometry and increased C5 internal clearance, making it an excellent choice for industrial gearboxes, electric motors, pumps and heavy-duty rotating machinery operating under demanding conditions.

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FAQ

What does the C5 internal clearance mean?

C5 indicates a radial internal clearance greater than C4, making the bearing suitable for applications involving thermal expansion, high speeds or tight interference fits.

What is the advantage of the NU design?

The NU design allows axial displacement of the shaft relative to the housing in both directions while carrying high radial loads.

What does ECP mean in the SKF designation?

ECP indicates an optimized internal bearing design with a glass fibre reinforced polyamide cage for reduced friction and improved performance.

Is this bearing suitable for electric motors?

Yes. It is widely used in electric motors, industrial gearboxes, pumps and other high-speed rotating equipment.

Is the bearing separable?

Yes. The NU design features a separable construction, simplifying installation and maintenance.