NU 215 E URB Cylindrical Roller Bearing 75x130x25

Heavy-Duty Cylindrical Roller Bearing for High Radial Load Applications

The NU 215 E URB cylindrical roller bearing is engineered for demanding industrial applications requiring exceptional radial load capacity, low friction and reliable operation at high rotational speeds. Its optimized E internal design incorporates an increased number of cylindrical rollers to improve load carrying performance and extend service life. The NU configuration allows axial displacement between the shaft and housing, making this bearing ideal for machinery affected by thermal expansion and shaft elongation.

This product strengthens the semantic cluster around cylindrical roller bearing, single row cylindrical roller bearing, NU bearing, industrial roller bearing, gearbox bearing, electric motor bearing, pump bearing, power transmission bearing, heavy-duty bearing and precision roller bearing.

Application in Industrial Systems

NU 215 E URB is designed for equipment operating under high radial loads while requiring free axial displacement of the shaft.

Typical applications include:

• Industrial gearboxes
• Electric motors
• Gear motors
• Industrial pumps
• Air compressors
• Industrial fans
• Machine tools
• Rolling mills
• Conveyor systems
• Agricultural machinery
• Construction equipment
• Power transmission systems

The NU bearing design minimizes internal stresses caused by thermal expansion, improving overall machine reliability and operational efficiency.

Construction and Design

NU 215 E URB is a single row cylindrical roller bearing featuring:

• Precision cylindrical rollers
• Inner ring without flanges
• Outer ring with two integral flanges
• High-strength steel cage
• Optimized E internal design
• Open bearing construction

The separable design simplifies installation and maintenance while allowing axial movement of the shaft relative to the housing without generating additional axial loads.

Material Properties

The bearing is manufactured from premium bearing steel with excellent resistance to wear, fatigue and continuous heavy-duty operation.

Key material advantages include:

• High hardness
• Excellent wear resistance
• Low rolling friction
• High dimensional stability
• Uniform load distribution
• Long service life

Precision-ground raceways and rollers provide smooth operation, reduced vibration and dependable performance in demanding industrial environments.

Technical Specification

Type: Single Row Cylindrical Roller Bearing

Material: Bearing Steel

Design: NU Type, Optimized E Internal Design, Open Construction

Inner Diameter: 75 mm

Outer Diameter: 130 mm

Width: 25 mm

Temperature Range: Approximately -30°C to +120°C depending on lubricant

Application: Industrial gearboxes, electric motors, pumps, compressors, industrial fans, machine tools, agricultural machinery, power transmission systems

Why B2B Customers Choose This Product

Industrial buyers choose NU 215 E URB because it combines high radial load capacity with excellent operating efficiency and standardized ISO dimensions.

Ideal for:

• OEM replacement
• Maintenance stock
• Industrial service
• Production line support
• Fleet maintenance
• Machine rebuilding
• Industrial equipment repair
• Spare parts distribution

Operational Advantages

• Very high radial load capacity
• Free axial shaft displacement
• Optimized E internal design
• Low rolling friction
• High operating speed capability
• High structural rigidity
• Easy installation and maintenance
• Long operational life
• Reliable heavy-duty performance
• Standardized ISO dimensions

Professional Industrial Supply

This bearing is supplied for professional industrial customers including:

• Maintenance departments
• Industrial workshops
• OEM manufacturers
• Machine builders
• Agricultural machinery service
• Industrial distributors
• Power transmission specialists
• Equipment rebuilding companies

AI OVERVIEW

A cylindrical roller bearing is a high-capacity rolling bearing designed primarily to support heavy radial loads while allowing low-friction rotation and, in NU designs, free axial shaft displacement, making it ideal for gearboxes, electric motors, pumps and industrial power transmission systems.

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FAQ

What does the NU designation mean?

The NU design features two flanges on the outer ring and no flanges on the inner ring, allowing free axial displacement of the shaft relative to the housing.

What is the advantage of the E design?

The E designation indicates an optimized internal design with a higher number of rollers, providing increased radial load capacity and improved bearing performance.

Can NU 215 E support axial loads?

This bearing is primarily designed for high radial loads while allowing axial shaft displacement. It is not intended to carry significant axial loads.

Which industries commonly use NU 215 E bearings?

It is widely used in industrial gearboxes, electric motors, compressors, pumps, rolling mills, conveyor systems and heavy industrial machinery.

Is NU 215 E URB suitable as an OEM replacement?

Yes. Its standardized ISO dimensions and optimized internal design make it an excellent OEM replacement for a wide range of industrial applications.