SKF NJ 2228 ECML cylindrical roller bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Cylindrical roller bearings
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Decoding SKF NJ 2228 ECML
- NJ 22Series
- Cylindrical roller bearings, NJ 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.
NJ 2228 is the standard ISO basic designation, which sets the bearing type, series and bore.
Description
SKF NJ 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 NJ 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 NJ 2228 ECML and any equivalents.
The SKF NJ ECML cylindrical roller bearing is built to carry high radial loads at considerable speeds. Its cylindrical rollers and machined brass cage suit demanding industrial machinery. MR Industrial Accessories LLC supplies this line as part of its bearing range for customers in the United States and Latin America.
The code NJ ... ECML breaks down as follows. NJ means the inner ring has one rib and the outer ring has two, so the bearing can guide axial movement in a single direction. The number after the letters is the size code from the dimension series. The EC suffix denotes an optimized design with higher load capacity, while ML identifies a machined brass cage for high speeds and temperatures. A typical example is NJ 220 ECML, which combines these features in one size.
These bearings appear where radial loads dominate and high rigidity is needed. Gearboxes, industrial pumps, compressors, machine tools and power transmission equipment commonly use them. Industries such as metallurgy, food processing, cement and oil and gas rely on them for dependable operation under heavy loads.
Selecting an NJ ECML bearing involves the radial load, rotational speed and operating environment. Sealing depends on the level of contamination; in dirty conditions, extra protection is advisable. Lubrication must match the speed and temperature of the application. During mounting, align the rings and avoid impacts that could harm the rollers or cage. Poor fitting can shorten bearing life.
SKF NJ ECML cylindrical roller bearings can be interchanged with equivalent products from other brands that follow the same dimensions and designation. Load capacities and cage materials may differ between manufacturers, so always check the technical specifications of a replacement to confirm compatible performance. MR Industrial Accessories LLC can help you evaluate the best option for your application.
To request a quote for an SKF NJ ECML cylindrical roller bearing, send the complete part number via WhatsApp or email. The team replies promptly and can suggest equivalents or assist with selection. MR Industrial Accessories LLC serves customers across the United States and in several Latin American countries.
Dimensions
140 x 250 x 68 mm (d x D x B): boundary dimensions for basic designation NJ 2228, according to ISO 15.
- Bore
- 140mm
- Outside diameter (D)
- 250mm
- Width (B)
- 68mm
Same size, other brands
Other brands' pages with basic designation NJ 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 NJ 2228 ECML bearing: what are its dimensions?
- SKF NJ 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 NJ 2228.
- What does the ECML suffix mean on an SKF bearing?
- EC stands for an optimized design with higher radial load capacity. ML indicates a machined brass cage that allows high speeds and withstands elevated temperatures. Together, these suffixes identify a specific variant within the NJ series.
- Does this bearing support axial loads?
- Yes, but only in one direction, because of the rib on the inner ring. For axial loads in both directions, other bearings or combinations are required. Consult MR to evaluate your particular case.
- How do I request a quote for this bearing?
- Send the complete part number, for example NJ 220 ECML, via WhatsApp or email to MR Industrial Accessories LLC. The team will respond with the information you need to make your purchase.