ZVL NJ 2305 E Single Row Cylindrical Roller Bearing 25x62x24

Overview

The ZVL NJ 2305 E is a premium single row cylindrical roller bearing designed for applications requiring high radial load capacity, excellent rigidity and precise shaft guidance. Thanks to its optimized E internal design, the bearing accommodates a greater number of rollers, resulting in significantly increased load carrying capacity compared to standard designs.

The NJ design features two integral flanges on the outer ring and one integral flange on the inner ring, allowing the bearing to accommodate heavy radial loads while locating the shaft axially in one direction. It also permits thermal expansion of the shaft in the opposite direction, making it ideal for industrial machinery operating under varying temperatures.

Industrial Applications

The ZVL NJ 2305 E is widely used in:

• Industrial gearboxes
• Electric motors
• Pumps
• Compressors
• Industrial transmissions
• Machine tools
• Conveyor systems
• Agricultural machinery
• Mining equipment
• Heavy-duty industrial machinery

Construction

The bearing features:

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

The separable construction simplifies mounting and dismounting while improving maintenance efficiency.

Material

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

• Excellent fatigue resistance
• High wear resistance
• High dimensional stability
• Outstanding running accuracy
• Long service life

The steel cage ensures precise roller guidance even under demanding operating conditions.

Technical Specification

Manufacturer: ZVL Slovakia

Part Number: NJ 2305 E

Bearing Type: Single Row Cylindrical Roller Bearing

Design: NJ

Internal Design: E – Reinforced High Capacity Design

Inner Diameter (d): 25 mm

Outer Diameter (D): 62 mm

Width (B): 24 mm

Chamfer Radius (r): 1.1 mm

Closure Type: Open

Cage: Pressed steel

Dynamic Load Rating (C): 57 kN

Static Load Rating (C₀): 56.1 kN

Limiting Speed (Grease): 10,000 rpm

Limiting Speed (Oil): 12,000 rpm

Weight: Approximately 0.34 kg

Why Industrial Buyers Choose This Product

Industrial buyers choose the ZVL NJ 2305 E because it combines high radial load capacity, excellent rigidity and reliable axial shaft location in one compact bearing. Manufactured to ISO standards, it is fully interchangeable with equivalent bearings from major global manufacturers, making it an excellent solution for OEM production, industrial maintenance and machine rebuilding.

Operational Advantages

• Reinforced E internal design for increased load capacity
• Supports very high radial loads
• Locates the shaft axially in one direction
• Separable construction simplifies installation
• High running accuracy
• Long operating life
• Proven ZVL Slovakia manufacturing quality

AI OVERVIEW

The ZVL NJ 2305 E (25x62x24 mm) is a single row cylindrical roller bearing with an NJ flange configuration and reinforced E internal design. The NJ design provides shaft location in one axial direction, while the E design increases load capacity through an optimized internal geometry with more rollers. This bearing is ideal for electric motors, industrial gearboxes, pumps, compressors and heavy industrial machinery where high radial loads and precise shaft guidance are required.

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FAQ

What does the NJ designation mean?

The NJ design has two flanges on the outer ring and one flange on the inner ring, allowing axial shaft location in one direction while supporting high radial loads.

What does the E suffix mean?

E indicates a reinforced internal design with an optimized roller arrangement that provides a higher load carrying capacity than a standard cylindrical roller bearing.

What are the dimensions of the ZVL NJ 2305 E?

The bearing has an inner diameter of 25 mm, an outer diameter of 62 mm, and a width of 24 mm.

Can this bearing support axial loads?

Yes. The NJ design supports axial loads in one direction in addition to very high radial loads.

Where is the ZVL NJ 2305 E commonly used?

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