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NTN spherical roller bearing · NTN 22205EMW33
NTN 22205EMW33 spherical roller bearing

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NTN 22205EMW33 spherical roller bearing

Manufacturer Part Number22205EMW33Dimensions: 25 x 52 x 18 mm (d x D x B)22205 bearing: all versions and brands →NTN 222 series: dimension table →
Brand
NTN
Category
Bearings
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Since 1945 · Martínez, Buenos Aires, Argentina

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How to read NTN 22205EMW33

222Series
Spherical roller bearings, 222 series. For the same bore, each series has a different outside diameter and width.
05Bore
25 mm bore: 05 × 5.
EMW33Suffix
NTN suffix: it defines the variant (sealing, cage, internal clearance or other features).

22205 is the standard (ISO) basic designation: it defines the type, the series and the bore.

Description

The NTN 22205EMW33 bearing has a 25 mm bore, a 52 mm outside diameter and a 18 mm width (25 x 52 x 18 mm).

NTN 22205EMW33 is a reference of spherical roller bearing, within Bearings. Request a quote for 22205EMW33 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The NTN spherical roller bearing is a self-aligning component with two rows of rollers, designed to withstand high radial loads and axial loads in both directions, even with misaligned shafts. It is used in equipment where shaft deflection or mounting errors require self-aligning capability. MR Accesorios Industriales sells the NTN brand in Buenos Aires, Argentina, and advises you to choose the right execution for your application.

The designation of these NTN bearings combines numbers and letters that indicate design features. For example, in 22205EMW33, the 222 identifies the medium-width spherical roller series, 05 the bore size, the E a higher-capacity execution, the M the machined brass cage and the W33 the lubrication groove and holes in the outer ring. In 22206EMW33 and 22207EMW33 the same scheme is repeated with different sizes. Knowing these suffixes allows you to select the right variant for each mounting.

These bearings are used in Argentine industries such as cement, mining, steel, paper and material handling. They are found in conveyors, mills, crushers, screens, industrial fans, cranes and process equipment where loads are high and perfect alignment is not always possible. Their self-aligning capability absorbs shaft deflection and mounting errors, extending the service life of the assembly.

To select correctly, take into account the radial and axial load, the rotation speed, the type of lubrication and the environmental conditions. The execution with brass cage M is suitable for high temperatures and moderate speeds; the W33 facilitates relubrication. During mounting, ensure adequate initial alignment and a fit that allows the outer ring to oscillate. Lubrication must be that indicated by the manufacturer and renewed according to the service interval.

NTN spherical roller bearings can be interchanged with those of other brands that follow the same dimensional nomenclature, such as SKF, FAG or NSK. If you need to replace a part, the safest approach is to compare the main dimensions (bore, outer diameter and width) and the load conditions. MR Accesorios Industriales helps you identify the correct equivalence so that the replacement is reliable.

If you are looking for an NTN spherical roller bearing, write to us on WhatsApp with the code or the size you need. At MR Accesorios Industriales we will quote you promptly and indicate the compatible alternative if needed. Since 1945, we support Argentine industry with quality products and technical advice.

Dimensions

Boundary dimensions of the basic designation 22205 per ISO 15: 25 x 52 x 18 mm (d x D x B).

Bore
25 mm
Outside diameter (D)
52mm
Width (B)
18mm

Same size in SKF and other brands

Pages from other brands with the basic designation 22205: 25 x 52 x 18 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 NTN 22205EMW33 bearing?
The NTN 22205EMW33 bearing has a 25 mm bore, a 52 mm outside diameter and a 18 mm width (25 x 52 x 18 mm). These are the standardised boundary dimensions (ISO 15) of the basic designation 22205.
What does the W33 suffix mean in an NTN bearing?
The W33 suffix indicates that the outer ring has a lubrication groove and three distributed lubrication holes. This allows the bearing to be relubricated more efficiently, especially in applications with high loads or moderate speeds.
How do I know if a spherical roller bearing is compatible with my equipment?
Check the main dimensions (bore, outer diameter and width) and the load and speed conditions. If you have the original code, we can quote you the NTN equivalent. Write to us on WhatsApp and we will advise you.
What advantages does the machined brass cage offer?
The machined brass cage offers greater resistance to temperature and dynamic stresses than stamped steel cages. It is recommended for demanding applications, with high loads or moderate speeds, where greater durability is sought.
Request a quote for 22205EMW33 via WhatsApp
Request a quote on WhatsApp