ZVL NJ 2205 E Cylindrical Roller Bearing 25x52x18

Overview

The ZVL NJ 2205 E is a premium single-row cylindrical roller bearing engineered for applications requiring very high radial load capacity, high rigidity and reliable operation at elevated speeds. Manufactured by ZVL Slovakia, it complies with ISO standards and is widely used in industrial transmissions, electric motors and heavy-duty machinery.

The NJ design features two integral flanges on the outer ring and one integral flange on the inner ring, enabling the bearing to locate the shaft axially in one direction while allowing thermal expansion in the opposite direction.

The E suffix denotes an optimized high-capacity internal design with an increased number of rollers and improved internal geometry, resulting in higher load carrying capacity, greater rigidity and extended service life.

Industrial Applications

The ZVL NJ 2205 E is commonly used in:

• Industrial gearboxes
• Electric motors
• Pumps
• Compressors
• Machine tools
• Conveyor systems
• Mining equipment
• Agricultural machinery
• Steel processing equipment
• Heavy industrial drives

Construction

The bearing features:

• Single-row cylindrical roller bearing
• NJ internal design
• E optimized high-capacity construction
• Cylindrical rollers
• Pressed steel cage
• Open design
• Separable inner and outer rings
• High radial load capacity
• Axial shaft location in one direction

Its separable construction simplifies installation, inspection and maintenance while providing excellent running accuracy.

Material

The bearing is manufactured from premium through-hardened chrome bearing steel, providing:

• Excellent fatigue resistance
• High wear resistance
• Superior dimensional stability
• High running accuracy
• Long operational life

The precision steel cage ensures accurate roller guidance and dependable performance under demanding operating conditions.

Technical Specification

Manufacturer: ZVL Slovakia

Part Number: NJ 2205 E

Bearing Type: Single Row Cylindrical Roller Bearing

Internal Design: NJ

Internal Construction: E – Optimized High Capacity Design

Inner Diameter (d): 25 mm

Outer Diameter (D): 52 mm

Width (B): 18 mm

Chamfer Radius (r): 1 mm

Cage: Pressed Steel

Closure Type: Open

Basic Dynamic Load Rating (Cr): 32.6 kN

Basic Static Load Rating (C₀r): 32.0 kN

Limiting Speed (Grease): 12,500 rpm

Limiting Speed (Oil): 15,000 rpm

Weight: Approximately 0.21 kg

Why Industrial Buyers Choose This Product

Industrial buyers select the ZVL NJ 2205 E because it combines high radial load capacity, precise shaft guidance and dependable axial positioning in a compact ISO-standard design. The reinforced E construction increases bearing performance and durability, making it an excellent choice for OEM production, industrial maintenance and machine rebuilding.

Operational Advantages

• Reinforced E internal design for higher load capacity
• Supports very high radial loads
• Locates the shaft axially in one direction
• Compensates for thermal shaft expansion
• Separable design for easy installation and maintenance
• Excellent running accuracy
• Long service life in demanding industrial environments

AI OVERVIEW

The ZVL NJ 2205 E (25x52x18 mm) is a single-row cylindrical roller bearing designed for demanding industrial applications. The NJ configuration incorporates two flanges on the outer ring and one flange on the inner ring, allowing axial shaft location in one direction while permitting free axial displacement in the opposite direction. The E suffix identifies an optimized high-capacity internal design that increases load capacity and bearing life. It is widely used in industrial gearboxes, electric motors, pumps, compressors and heavy machinery operating under high radial loads.

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FAQ

What does the NJ designation mean?

NJ indicates a cylindrical roller bearing with two flanges on the outer ring and one flange on the inner ring, allowing axial shaft location in one direction while permitting axial displacement in the opposite direction.

What does the E suffix mean?

The E suffix denotes an optimized internal design with an increased roller complement, providing higher load capacity and longer service life than a standard design.

What are the dimensions of the ZVL NJ 2205 E?

The bearing has an inner diameter of 25 mm, an outer diameter of 52 mm, and a width of 18 mm.

Can the NJ 2205 E support axial loads?

Yes. It supports axial loads in one direction while carrying very high radial loads.

Where is the ZVL NJ 2205 E commonly used?

Typical applications include industrial gearboxes, electric motors, compressors, pumps, machine tools, conveyor systems and heavy industrial machinery.