SKF NUP 2228 ECML cylindrical roller bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Cylindrical roller bearings
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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 2228 ECML
- NUP 22Series
- Cylindrical roller bearings, NUP 22 series. For the same bore, each series has a different outside diameter and width.
- 28Bore
- 140 mm bore: 28 × 5.
- ECMLSuffix
- SKF suffix: it defines the variant (sealing, cage, internal clearance or other features).
NUP 2228 is the standard (ISO) basic designation: it defines the type, the series and the bore.
Description
The SKF NUP 2228 ECML bearing has a 140 mm bore, a 250 mm outside diameter and a 68 mm width (140 x 250 x 68 mm).
SKF NUP 2228 ECML is a reference of cylindrical roller bearing, within Bearings. Request a quote for NUP 2228 ECML via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.
SKF NUP ECML series cylindrical roller bearings are high radial capacity components designed to support combined loads and moderate tilting moments. Their design with two rows of rollers and an inner ring with flanges allows stable operation in demanding applications. MR Accesorios Industriales sells this line as part of its SKF bearing catalog.
The NUP ECML designation is broken down into several elements. The NUP prefix indicates that the bearing has an inner ring with two fixed flanges and an outer ring with one flange and a retaining ring, allowing radial mounting and dismounting. The letters EC indicate an optimized design with higher load capacity and modified profile rollers. The final letter M refers to the machined brass cage, which provides strength and heat dissipation. Examples NUP 220 ECML, NUP 238 ECML and NUP 244 ECML show how the size varies according to bore diameter and dimensional series.
These bearings are used in applications where radial loads are high and shocks are frequent. In Argentina, they are common in the metallurgical industry, in mill gearboxes, in mining equipment, in high-flow centrifugal pumps and in machine tools. They also appear in overhead cranes and in power transmission systems of cement plants. Their ability to support combined loads makes them suitable for assemblies where the shaft may flex slightly.
To select the right bearing, take into account the magnitude and direction of loads, rotation speed and environmental conditions. Sealing is key: if there is dust or moisture, choose variants with seals or shields. Lubrication must be as specified by the manufacturer, with grease or oil depending on speed and temperature. During mounting, ensure precise alignment between shaft and housing, and verify internal clearance after adjustment. Mounting with a hydraulic press prevents damage to the raceways.
Regarding equivalences, SKF NUP ECML bearings can be interchanged with products from other brands that follow the same standardized designation, such as FAG, NSK or NTN, as long as dimensions and tolerances match. It is essential to verify the complete part number and technical specifications before replacing a bearing, since small differences in the cage or heat treatment can affect performance. MR Accesorios Industriales can advise you on compatibility with other brands.
If you need a quote for an SKF NUP ECML bearing, send us the exact part number via WhatsApp. Our technical team will respond with the alternatives that best suit your application. MR Accesorios Industriales is your partner for bearings and power transmission.
Dimensions
Boundary dimensions of the basic designation NUP 2228 per ISO 15: 140 x 250 x 68 mm (d x D x B).
- Bore
- 140mm
- Outside diameter (D)
- 250mm
- Width (B)
- 68mm
The same size in other brands
Pages from other brands with the basic designation NUP 2228: 140 x 250 x 68 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 2228 ECML bearing?
- The SKF NUP 2228 ECML bearing has a 140 mm bore, a 250 mm outside diameter and a 68 mm width (140 x 250 x 68 mm). These are the standardised boundary dimensions (ISO 15) of the basic designation NUP 2228.
- What does the NUP ECML designation mean?
- NUP indicates a cylindrical roller bearing with an inner ring with two flanges and an outer ring with one flange and a retaining ring. EC indicates a high-capacity design, and ML a machined brass cage. This combination offers great strength and durability.
- Where are NUP ECML bearings used?
- They are used in applications with high radial loads and shocks, such as gearboxes, mills, pumps, machine tools and mining equipment. In Argentina, they are common in the metallurgical, cement and power transmission industries.
- How do I choose the right NUP ECML bearing?
- Consider radial and axial loads, speed, temperature and environment. Check the sealing and recommended lubrication. For mounting, ensure alignment and internal clearance. Contact us with the exact part number and we will advise you.