SKF NUP 309 ECJ/C3VB152 cylindrical roller bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Cylindrical roller bearings
We respond promptly.
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 NUP 309 ECJ/C3VB152
- NUP 3Series
- Cylindrical roller bearings, NUP 3 series. For the same bore, each series has a different outside diameter and width.
- 09Bore
- 45 mm bore: 09 × 5.
- ECJ/C3VB152Suffix
- SKF suffix: it defines the variant (sealing, cage, internal clearance or other features).
NUP 309 is the standard (ISO) basic designation: it defines the type, the series and the bore.
Description
The SKF NUP 309 ECJ/C3VB152 bearing has a 45 mm bore, a 100 mm outside diameter and a 25 mm width (45 x 100 x 25 mm).
SKF NUP 309 ECJ/C3VB152 is a reference of cylindrical roller bearing, within Bearings. Request a quote for NUP 309 ECJ/C3VB152 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.
SKF NUP ECJ series cylindrical roller bearings are high radial capacity components designed to withstand combined loads and tilting moments. Their cylindrical roller design and stamped steel cage allow precise operation in demanding industrial applications. At MR Accesorios Industriales we supply this line for the Argentine market, with technical advice so you can choose the right bearing for your application.
The NUP ECJ series designation is interpreted as follows: NUP indicates a cylindrical roller bearing with a flange on the inner and outer ring, which allows axial location in both directions. ECJ indicates an optimized design with a stamped steel cage and larger diameter rollers. Additional suffixes, such as C3 for increased radial clearance or VB152 for a particular execution specification, are added according to the application. For example, the code NUP 309 ECJ/C3VB152 combines the NUP series, the ECJ design, a C3 clearance and a VB152 variant. Knowing these suffixes is key to ordering the exact replacement part.
These bearings are used in equipment with high radial loads and moderate speeds. In Argentine industry, they are common in gearboxes, centrifugal pumps, compressors, machine tools and conveyors. They also appear in steel, cement and paper applications, where robustness and load capacity are decisive. Being separable, they facilitate assembly and maintenance in hard-to-reach equipment. Their versatility makes them suitable for both fixed positions and supports requiring some axial freedom.
To correctly select an NUP ECJ bearing, take into account the radial and axial load it must withstand, the rotation speed and the environmental conditions. C3 radial clearance is recommended when there are high temperatures or interference fits. Lubrication must be chosen according to temperature and speed: grease for slow applications or oil for high revolutions. During assembly, ensure precise alignment between housing and shaft, and avoid impacts that could damage the rollers or raceways. Careful assembly extends the bearing's service life.
Regarding equivalences and interchangeability, SKF NUP ECJ series bearings can be replaced by products from other manufacturers that follow the same dimensional and execution designation. It is essential to verify tolerances, radial clearance and cage type, since small differences can affect performance. Not all suffixes are equivalent between brands; therefore, it is always advisable to compare technical specifications before replacing a bearing. If you have doubts, ask us and we will help you find the best option.
If you need this bearing or want to confirm the exact designation for your equipment, write to us on WhatsApp. At MR Accesorios Industriales we advise you so you receive the right product for your application. Send us the full part number, a photo of the nameplate or the bearing dimensions and we will reply shortly.
Dimensions
Boundary dimensions of the basic designation NUP 309 per ISO 15: 45 x 100 x 25 mm (d x D x B).
- Bore
- 45mm
- Outside diameter (D)
- 100mm
- Width (B)
- 25mm
The same size in other brands
Pages from other brands with the basic designation NUP 309: 45 x 100 x 25 mm (d x D x B) per ISO 15.
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 NUP 309 ECJ/C3VB152 bearing?
- The SKF NUP 309 ECJ/C3VB152 bearing has a 45 mm bore, a 100 mm outside diameter and a 25 mm width (45 x 100 x 25 mm). These are the standardised boundary dimensions (ISO 15) of the basic designation NUP 309.
- What does the ECJ suffix mean on an NUP bearing?
- ECJ indicates an optimized design with a stamped steel cage and larger diameter rollers, which improves load capacity and permissible speed. It is an SKF designation specific to this series.
- Can I replace an NUP ECJ bearing with another brand?
- Yes, as long as the dimensional designation and radial clearance match. Verify tolerances and cage type, because they can vary between manufacturers. If you have doubts, ask us with the original part number.
- How do I choose between normal radial clearance and C3?
- C3 clearance is recommended when the bearing operates at high temperatures or with interference fits, since it compensates for thermal expansion. For normal conditions, standard clearance is usually sufficient. Evaluate each case.