NSK NU2304ET7 cylindrical roller bearing
- Brand
- NSK
- Category
- Bearings
- Subcategory
- Cylindrical roller bearings
- Series
- NU
We respond promptly.
Since 1945 · Martínez, Buenos Aires, Argentina
Request your quote via WhatsApp or email, with the quantity you need.
Can't find the exact model? Write to us with the part number or model you're looking for: we'll find it and quote it, even if it's not listed in the catalog.
How to read NSK NU2304ET7
- NU 23Series
- Cylindrical roller bearings, NU 23 series. For the same bore, each series has a different outside diameter and width.
- 04Bore
- 20 mm bore: 04 × 5.
- ET7Suffix
- NSK suffix: it defines the variant (sealing, cage, internal clearance or other features).
NU 2304 is the standard (ISO) basic designation: it defines the type, the series and the bore.
Description
The NSK NU2304ET7 bearing has a 20 mm bore, a 52 mm outside diameter and a 21 mm width (20 x 52 x 21 mm).
NSK NU2304ET7 is a reference of cylindrical roller bearing, within Bearings. Request a quote for NU2304ET7 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.
The NSK NU series cylindrical roller bearing is a component designed to support high radial loads and high speeds. Its design with cylindrical rollers and parallel raceways allows linear contact that distributes the load uniformly. It is used in industrial applications requiring rigidity and precision, such as machine tools, gearboxes and transmission equipment. MR Accesorios Industriales sells this line for the Argentine market.
The designation of the NU series is interpreted as follows: the letters NU indicate that the inner ring has no flanges, which allows relative axial displacement between ring and shaft. The numbers that follow indicate the size and dimension series. In the example NU2304ET7, the suffix ET7 indicates specific cage and heat treatment characteristics. Knowing these codes helps select the right bearing for each application.
These bearings are used in a wide variety of industries in Argentina, such as metalworking, food, mining and power generation. They are present in gearboxes, pumps, compressors, industrial fans and machine tools. Their ability to support radial loads makes them ideal for equipment that operates continuously and demands high reliability.
To correctly select an NU bearing, it is essential to consider the radial load, rotation speed and environmental conditions. Mounting requires precise alignment between shaft and housing, and adequate lubrication according to the type of cage and sealing. In applications with contaminants, it is recommended to evaluate variants with additional seals or shields. The polyamide or brass cage influences high-speed behavior.
Cylindrical roller bearings of the NU series can be interchanged with those of other brands that follow the same dimensional nomenclature. When looking for a replacement, it is important to verify the main dimensions and tolerances. If you have a part number from another brand or an unidentified part, at MR we will indicate the compatible equivalence.
To request a quote for the bearing you need, write to us by WhatsApp with the full part number or dimensions. At MR Accesorios Industriales we advise you so you find the right solution for your application. Send your inquiry and we will respond promptly.
Dimensions
Boundary dimensions of the basic designation NU 2304 per ISO 15: 20 x 52 x 21 mm (d x D x B).
- Bore
- 20mm
- Outside diameter (D)
- 52mm
- Width (B)
- 21mm
Same size in SKF and other brands
Pages from other brands with the basic designation NU 2304: 20 x 52 x 21 mm (d x D x B) per ISO 15.
- Looking for the SKF NU 2304? We also quote:NU 2304 ECP
- FAGNU2304-E-XL-TVP2
- NTNNU2304EA
- RKBNU 2304
They share the boundary dimensions set by ISO 15, not the technical data: seals or shields, internal clearance, cage and load rating can differ by brand and suffix. We quote each one by its full part number.
Frequently Asked Questions
- What are the dimensions of the NSK NU2304ET7 bearing?
- The NSK NU2304ET7 bearing has a 20 mm bore, a 52 mm outside diameter and a 21 mm width (20 x 52 x 21 mm). These are the standardised boundary dimensions (ISO 15) of the basic designation NU 2304.
- What does the NU series mean in a cylindrical roller bearing?
- The NU series indicates that the inner ring has no flanges, which allows relative axial displacement between the shaft and the housing. This facilitates mounting and compensates for thermal expansion. It is a common configuration in applications with high radial loads.
- How do I choose the right suffix for my application?
- The suffix indicates characteristics such as cage type, heat treatment or internal clearance. To select it, consider speed, temperature and lubrication conditions. If you have doubts, consult us with your equipment data and we will guide you.
- Can I replace an NU bearing from another brand with an NSK one?
- Yes, if the main dimensions and tolerances match. Dimensional nomenclature is usually standard among manufacturers. If you send us the original part number, we will indicate the equivalent NSK reference so you can request a quote.