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Cylindrical roller bearing SKF NU 238 ECM/C3
- Manufacturer Part Number
- NU 238 ECM/C3
- Brand
- SKFOfficial brand
- Category
- Bearings
- Subcategory
- Cylindrical roller bearings
Other brands in this family
- FAG
- NTN
- TIMKEN
Ask us about alternatives. Equivalence is verified for each reference and application.
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Description
SKF NU 238 ECM/C3 is a cylindrical roller bearing reference, within Bearings. Request a quote for NU 238 ECM/C3 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.
SKF cylindrical roller bearings of the NU series with ECM cage and C3 clearance are components designed to withstand high radial loads and considerable speeds. Their separable design and the ability to align the rollers precisely make them ideal for demanding industrial applications. At MR Accesorios Industriales we carry them as part of our SKF bearing offering, a brand we represent.
The designation NU … ECM/C… is interpreted as follows: NU indicates a cylindrical roller bearing with two ribs on the outer ring and none on the inner ring, which allows axial displacement. The number that follows is the size code according to the dimension series. ECM indicates a one-piece machined brass cage, roller-guided, and C3 a greater than normal internal radial clearance. For example, NU 207 ECM/C3 combines these characteristics in a specific size.
These bearings are used in industries such as steel, cement, mining, paper and heavy machinery manufacturing. In Argentina, they are common in gearboxes, high-flow pumps, industrial fans, machine tools and power transmission equipment. Their ability to withstand high radial loads and their rigidity make them suitable for assemblies where precision and durability are required.
To select the right bearing, take into account the radial load, rotation speed and environmental conditions. C3 clearance is recommended when there are thermal gradients or interference fits. During assembly, ensure correct alignment and adequate lubrication; the ECM cage facilitates lubricant flow. Verify sealing: if the environment has dust or moisture, consider additional protections. Always follow the manufacturer's recommendations for assembly and axial fixing.
Regarding equivalences, SKF bearings of the NU series with ECM cage and C3 clearance can be interchanged with products from other brands that follow the same standardized designation. However, tolerances and internal design may vary, so it is essential to verify technical specifications before replacing. We do not invent codes: consult with us if you need assistance finding the right replacement.
To request a quote or more information, send the exact code of the bearing you need via WhatsApp to MR Accesorios Industriales. Our technical team will advise you and provide a prompt response. We work with SKF, a brand we carry, and we can help you select the correct bearing for your application.
This description provides guidance on the product type. Check the configuration and dimensions of this reference.
Dimensions
Dimensions and tolerances: Send us the part number via WhatsApp and we'll confirm dimensions, sealing, and internal clearance against the manufacturer's data sheet.
Frequently Asked Questions
- What does the ECM suffix mean in an SKF bearing?
- ECM indicates that the bearing has a one-piece machined brass cage, roller-guided. This improves strength and allows higher speeds and loads compared to stamped steel cages.
- When should I choose a bearing with C3 clearance?
- C3 clearance is suitable when thermal differences between rings, interference fits or high speeds are expected. It provides additional margin for thermal expansion and prevents premature seizure.
- How do I know if an NU bearing can replace one from a different brand?
- Verify that the standardized designation matches, including series, diameter and suffixes. Although the main dimensions are usually interchangeable, tolerances and internal design may vary. Consult us with the original code to confirm the equivalence.