Cylindrical Roller Bearing NSK NJ205 EW 25x52x15

Application

The NSK NJ205 EW 25x52x15 cylindrical roller bearing is a high-performance industrial component designed for applications requiring exceptional load capacity and reliability.
Its NJ-type configuration (inner ring with one flange and outer ring with two flanges) ensures excellent radial load handling and allows for limited axial displacement. This design provides smooth and stable shaft guidance, even under high-speed or high-load conditions.
Common applications include gearboxes, electric motors, compressors, pumps, transport systems, and industrial drives where high precision and long service life are essential.
The EW series from NSK features a pressed steel cage, improving roller guidance and optimizing the distribution of forces inside the bearing for maximum durability.

Advantages

• High load capacity - the EW series design allows efficient transmission of high radial forces.

• Durability and precision - made of high-grade bearing steel, providing resistance to wear and fatigue.

• Stable operation - optimized roller geometry ensures quiet, vibration-free performance even under continuous load.

• Universal industrial use - fits standard bearing housings and units, suitable for various machinery types.

• Maintenance efficiency - reduces downtime and maintenance costs through reliable, long-term performance.

Technical data

Type: Single-row cylindrical roller bearing
Model: NSK NJ205 EW
Inner diameter: 25 mm
Outer diameter: 52 mm
Width: 15 mm
Series: EW - pressed steel cage, high load rating
Load type: Radial
Material: Hardened bearing steel
Limiting speed (oil lubrication): up to 14,000 rpm

This bearing offers a perfect balance between compact dimensions and high load-carrying capacity. Its steel cage improves rigidity and allows for stable performance in both compact and high-speed industrial systems. It can be installed in bearing housings or used as a standalone bearing unit in modern machinery.

FAQ

Q1: What is the NJ205 EW bearing used for?
It is used in gearboxes, industrial drives, electric motors, compressors, and pumps where high radial load capacity and precision are required.

Q2: What does the “EW” designation mean?
“EW” refers to the NSK series with a pressed steel cage, designed for higher load capacity and improved durability compared to standard cylindrical roller bearings.

Q3: What are the exact dimensions of this bearing?
Inner diameter 25 mm, outer diameter 52 mm, width 15 mm - a standard size for many industrial applications.

Q4: Can this bearing replace a ball bearing?
Yes, in systems exposed to heavy radial loads or vibration, a cylindrical roller bearing like NJ205 EW provides greater durability and stability than a typical deep groove ball bearing.

Q5: Is this model available for quick delivery?
Yes, it is available directly from our warehouse with express 24-hour shipping.