SKF 24188 ECAK30/C3W33 spherical roller bearing
- Brand
- SKF
- Category
- Bearings
- Subcategory
- Spherical roller bearings
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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 24188 ECAK30/C3W33
- 241Series
- Spherical roller bearings, 241 series. For the same bore, each series has a different outside diameter and width.
- 88Bore
- 440 mm bore: 88 × 5.
- ECAK30/C3W33Suffix
- SKF suffix: it defines the variant (sealing, cage, internal clearance or other features).
24188 is the standard (ISO) basic designation: it defines the type, the series and the bore.
Description
The SKF 24188 ECAK30/C3W33 bearing has a 440 mm bore, a 720 mm outside diameter and a 280 mm width (440 x 720 x 280 mm).
SKF 24188 ECAK30/C3W33 is a reference of spherical roller bearing, within Bearings. Request a quote for 24188 ECAK30/C3W33 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.
SKF spherical roller bearings are two-row self-aligning components designed to withstand high radial loads and axial loads in both directions, even with misaligned shafts. Their spherical outer raceway allows the assembly to self-align, absorbing deflection and mounting errors. They are used in demanding industrial applications such as conveyor belts, mills, pumps and gearboxes, where robustness and load capacity are critical. MR Accesorios Industriales sells this line with technical advice to select the right version.
The designation of the series is interpreted in blocks. The letters ECA indicate an optimized design with a stamped steel cage and roller guidance; the K indicates a tapered bore (1:12 taper in this case, as shown by the 30 that follows). The suffix C3 defines an internal radial clearance greater than normal, and W33 indicates that the outer ring has a groove and three holes for lubrication. The example codes combine all these attributes in large-size bearings. Knowing these codes allows you to quickly identify the features of each variant.
These bearings are used in equipment where loads are high and there may be shaft flexing or misalignment between supports. In Argentine industry, they are common in mining conveyor belts, cement mills, crushers, high-flow centrifugal pumps, speed reducers and paper machines. They also appear in industrial fans and continuous process equipment, where reliability and the ability to withstand combined loads are decisive in avoiding unscheduled downtime.
To select correctly, take into account the magnitude and direction of the loads, the rotation speed and the environmental conditions. The C3 clearance is suitable when thermal expansion of the shaft or interference fits are expected. The W33 groove and holes make relubrication easier, especially in contaminated environments. When mounting, verify the initial alignment and the method of securing the inner ring if the bore is tapered. Lubrication must be suitable for the temperature and speed; too much or too little can shorten service life.
As for equivalents, spherical roller bearings from different brands can be interchanged if the main dimensions, internal clearance and version (taper, grooves, cage) match. However, not all suffixes mean the same thing between manufacturers, so it is essential to verify each code. At MR Accesorios Industriales we can guide you on interchangeability and source the SKF reference you need.
If you are looking for an SKF spherical roller bearing, send us the full part number on WhatsApp. At MR Accesorios Industriales we advise you so you choose the right variant for your application and we coordinate the quote.
Dimensions
Boundary dimensions of the basic designation 24188 per ISO 15: 440 x 720 x 280 mm (d x D x B).
- Bore
- 440mm
- Outside diameter (D)
- 720mm
- Width (B)
- 280mm
The same size in other brands
Pages from other brands with the basic designation 24188: 440 x 720 x 280 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 24188 ECAK30/C3W33 bearing?
- The SKF 24188 ECAK30/C3W33 bearing has a 440 mm bore, a 720 mm outside diameter and a 280 mm width (440 x 720 x 280 mm). These are the standardised boundary dimensions (ISO 15) of the basic designation 24188.
- What does the suffix C3 mean in a spherical roller bearing?
- The suffix C3 indicates an internal radial clearance greater than normal. It is specified when the bearing will operate at high temperatures or with fits that reduce clearance, such as mounting on a tapered shaft. A greater clearance compensates for thermal expansion and prevents excessive preload.
- When is a tapered bore preferable to a cylindrical one?
- The tapered bore (indicated by the letter K) is used when an interference fit that is easy to mount and dismount is needed, or when the radial clearance must be adjusted by axial displacement on a sleeve. It is common in applications with rotating shafts and high loads.
- How do I know if a bearing from another brand is equivalent to the SKF one?
- You must compare the main dimensions (bore, outer diameter and width), the version type (taper, grooves, cage) and the internal clearance. Suffixes may vary between manufacturers, so do not rely on the code alone. Ask us with the reference and we will help you verify the equivalence.