
SKF NUP 2228 ECML cylindrical roller bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Cylindrical roller bearings
We reply promptly.
Tell us the quantity you need and request a quote by WhatsApp or email.
Other brands for this category
Ask us for alternatives. We check every equivalent against the part number and your application.
Can't find the exact model? Tell us the part number or model you need. We'll track it down and quote it, whether or not it appears in our catalog.
Decoding SKF NUP 2228 ECML
- NUP 22Series
- Cylindrical roller bearings, NUP 22 series. Series differ in outside diameter and width even when the bore is the same.
- 28Bore
- Bore 140 mm (28 × 5).
- ECMLSuffix
- SKF suffix: identifies the variant, such as seals or shields, cage, internal clearance or other features.
NUP 2228 is the standard ISO basic designation, which sets the bearing type, series and bore.
Description
SKF NUP 2228 ECML measures 140 mm across the bore and 250 mm across the outside diameter; its width is 68 mm (140 x 250 x 68 mm).
SKF NUP 2228 ECML belongs to cylindrical roller bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for NUP 2228 ECML and any equivalents.
SKF NUP ECML series cylindrical roller bearings are built for demanding applications where radial loads are high and moderate tilting moments occur. The design includes two rows of rollers and an inner ring with flanges, which supports stable operation under tough conditions. MR Industrial Accessories LLC supplies this series as part of its SKF bearing range for customers across the United States and Latin America.
The NUP ECML code tells you about the bearing's construction. NUP means the inner ring has two fixed flanges, while the outer ring has one flange and a retaining ring, so the bearing can be mounted and dismounted radially. The EC letters indicate an optimized geometry with a modified roller profile and higher load capacity. The final M stands for the machined brass cage, which adds strength and helps dissipate heat. Examples such as NUP 220 ECML, NUP 238 ECML, and NUP 244 ECML show how the size changes with bore diameter and dimensional series.
These bearings appear in equipment where radial forces are heavy and shocks are common. You will find them in mill gearboxes, mining machinery, high-flow centrifugal pumps, machine tools, overhead cranes, and power transmission systems in cement plants. Their ability to handle combined loads makes them a good fit for assemblies where the shaft may flex slightly. When selecting a bearing, consider load magnitude and direction, rotation speed, and the operating environment. Sealing matters: in dusty or humid conditions, choose variants with seals or shields. Lubrication should follow the manufacturer's specification, using grease or oil depending on speed and temperature.
During mounting, make sure the shaft and housing are precisely aligned, and check internal clearance after adjustment. Using a hydraulic press helps prevent damage to the raceways. For cross-reference, SKF NUP ECML bearings can be interchanged with other brands that follow the same standardized designation, such as FAG, NSK, or NTN, provided dimensions and tolerances match. Always verify the complete part number and technical data before replacing a bearing, because small differences in cage or heat treatment can affect performance.
To request a quote for an SKF NUP ECML bearing, send the exact part number via WhatsApp or email. Our team responds promptly and can suggest equivalents or help you choose the right bearing for your application. MR Industrial Accessories LLC supports your bearing and power transmission needs.
Dimensions
140 x 250 x 68 mm (d x D x B): boundary dimensions for basic designation NUP 2228, according to ISO 15.
- Bore
- 140mm
- Outside diameter (D)
- 250mm
- Width (B)
- 68mm
Same size, other brands
Other brands' pages with basic designation NUP 2228: 140 x 250 x 68 mm (d x D x B) per ISO 15.
What they share are the ISO 15 boundary dimensions, not the specs: seals or shields, internal clearance, cage and load rating may vary with brand and suffix. Every quote is by full part number.
Frequently asked questions
- SKF NUP 2228 ECML bearing: what are its dimensions?
- SKF NUP 2228 ECML measures 140 mm across the bore and 250 mm across the outside diameter; its width is 68 mm (140 x 250 x 68 mm). Those are the boundary dimensions standardized in ISO 15 for basic designation NUP 2228.
- What does the NUP ECML designation mean?
- NUP indicates a cylindrical roller bearing with an inner ring having two flanges and an outer ring with one flange and a retaining ring. EC stands for a high-capacity design, and M for a machined brass cage.
- 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. They are also 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 sealing and recommended lubrication. For mounting, ensure alignment and internal clearance. Contact us with the exact part number and we will advise you.

