SKF NU 2309 ECP/P6VQ3751 cylindrical roller bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Cylindrical roller bearings
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Since 1945 · Martínez, Buenos Aires, Argentina
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Other brands in this category
Ask us about alternatives. Equivalence is verified for each reference and application.
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How to read SKF NU 2309 ECP/P6VQ3751
- NU 23Series
- Cylindrical roller bearings, NU 23 series. For the same bore, each series has a different outside diameter and width.
- 09Bore
- 45 mm bore: 09 × 5.
- ECP/P6VQ3751Suffix
- SKF suffix: it defines the variant (sealing, cage, internal clearance or other features).
NU 2309 is the standard (ISO) basic designation: it defines the type, the series and the bore.
Description
The SKF NU 2309 ECP/P6VQ3751 bearing has a 45 mm bore, a 100 mm outside diameter and a 36 mm width (45 x 100 x 36 mm).
SKF NU 2309 ECP/P6VQ3751 is a reference of cylindrical roller bearing, within Bearings. Request a quote for NU 2309 ECP/P6VQ3751 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.
SKF NU series cylindrical roller bearings are components designed to withstand high radial loads and considerable speeds. Their design with cylindrical rollers and polyamide cage allows precise operation in demanding industrial applications. They are used in heavy machinery, gearboxes, pumps and transmission equipment, where robustness and durability are essential to keep production running.
The designation of these bearings follows a standardized scheme. The prefix NU indicates that the outer ring has two ribs and the inner ring none, which allows relative axial displacement. The following numbers indicate dimensions and series. The suffix ECP identifies a high-strength polyamide cage, while P6 indicates a dimensional and running tolerance according to standard. The code VQ followed by digits, as in NU 2307 ECP/P6VQ3753, corresponds to particular manufacturer specifications, generally linked to reduced tolerances or special features. Knowing these codes facilitates correct selection.
These bearings are used in a wide variety of industries in Argentina. They are common in speed reducers, gearboxes, centrifugal pumps, compressors, machine tools and mining equipment. They are also present in the food, cement and steel industries, where radial loads are high and working conditions are demanding. Their ability to withstand high speeds makes them suitable for electric motors and generators. In production plants, they contribute to reliability and operational continuity.
To correctly select a cylindrical roller bearing, it is essential to consider the radial load, rotation speed and environmental conditions. Mounting requires precise alignment between shaft and housing, since these bearings are sensitive to misalignment. Proper lubrication, whether grease or oil, extends service life and reduces wear. Sealing must be chosen according to environmental contamination. In addition, internal clearance and shaft and housing tolerances must be verified to ensure a correct fit and avoid premature failures.
As for equivalents and interchangeability, SKF NU series bearings can be replaced by products from other manufacturers that follow the same standardized designation, such as those of the NU 2, NU 3 or NU 22 series. However, it is important to verify tolerances and specific characteristics, since suffixes may vary between brands. Dimensional interchangeability is ensured by international standards, but performance may differ. Always consult the technical specifications before replacing a bearing to ensure optimal performance in your application.
If you need a quote for SKF NU series cylindrical roller bearings, at MR Accesorios Industriales we can advise you. Send the complete part number via WhatsApp and we will reply shortly with the information you need for your equipment.
Dimensions
Boundary dimensions of the basic designation NU 2309 per ISO 15: 45 x 100 x 36 mm (d x D x B).
- Bore
- 45mm
- Outside diameter (D)
- 100mm
- Width (B)
- 36mm
The same size in other brands
Pages from other brands with the basic designation NU 2309: 45 x 100 x 36 mm (d x D x B) per ISO 15.
- FAGNU2309-E-XL-TVP2
- NSKNU2309ET
- NTNNU2309NU2309EA
- RKBNU 2309
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 SKF NU 2309 ECP/P6VQ3751 bearing?
- The SKF NU 2309 ECP/P6VQ3751 bearing has a 45 mm bore, a 100 mm outside diameter and a 36 mm width (45 x 100 x 36 mm). These are the standardised boundary dimensions (ISO 15) of the basic designation NU 2309.
- What does the ECP suffix mean on an SKF bearing?
- The ECP suffix indicates that the bearing has a high-strength polyamide cage, suitable for high speeds and moderate temperatures. This cage reduces weight and improves performance.
- How do I choose between an NU and an NJ bearing?
- The difference is in the ribs: the NU has two ribs on the outer ring and none on the inner ring, allowing axial displacement. The NJ has one rib on the inner ring, which limits displacement in one direction. The choice depends on the need for axial guidance.
- What tolerances should I consider for mounting?
- It is crucial to verify shaft and housing tolerances. Generally, the inner ring is mounted with an interference fit on the shaft and the outer ring with a sliding fit. Consult the manufacturer's recommendations according to the load and type of operation.