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FAG cylindrical roller bearing · FAG NUP228-E-XL-M1
FAG NUP228-E-XL-M1 cylindrical roller bearing

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FAG NUP228-E-XL-M1 cylindrical roller bearing

Manufacturer Part NumberNUP228-E-XL-M1Dimensions: 140 x 250 x 42 mm (d x D x B)Other bearings 140 x 250 x 42 mm →Also searched as: NUP228EXLM1 · NUP228 E XL M1FAG NUP 2 series: dimension table →
Brand
FAG
Category
Bearings
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Since 1945 · Martínez, Buenos Aires, Argentina

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How to read FAG NUP228-E-XL-M1

NUP 2Series
Cylindrical roller bearings, NUP 2 series. For the same bore, each series has a different outside diameter and width.
28Bore
140 mm bore: 28 × 5.
E-XL-M1Suffix
FAG suffix: it defines the variant (sealing, cage, internal clearance or other features).

NUP 228 is the standard (ISO) basic designation: it defines the type, the series and the bore.

Description

The FAG NUP228-E-XL-M1 bearing has a 140 mm bore, a 250 mm outside diameter and a 42 mm width (140 x 250 x 42 mm).

FAG NUP228-E-XL-M1 is a reference of cylindrical roller bearing, within Bearings. Request a quote for NUP228-E-XL-M1 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The FAG NUP series cylindrical roller bearing is a component with high radial load capacity, and its design with two ribs on the inner ring and one rib with a retaining ring on the outer ring also allows it to carry axial loads in both directions. It is used in applications requiring precise axial guidance, such as gearboxes, machine tools and transmission equipment. MR Accesorios Industriales sells this FAG line in Buenos Aires, Argentina, with technical advice to select the right design.

The NUP series designation is read as follows: the letters NUP indicate a cylindrical roller bearing with two ribs on the inner ring and one rib with a retaining ring on the outer ring, which allows axial guidance in both directions. The number that follows the letters, as in NUP228, NUP230 or NUP330, is the size code that defines the main dimensions. The suffixes -E indicate a design with higher load capacity, -XL identifies FAG premium quality, and -M1 indicates that the cage is machined brass, one piece, suitable for high speeds and elevated temperatures. This combination of suffixes is common throughout the series.

This type of bearing is used in industries in Argentina that handle combined loads and require axial rigidity. It is commonly found in gearboxes for mills, presses, extruders, high-flow pumps, industrial fans and machine tool spindles. It is also used in mining, steelmaking and cement plant equipment, where working conditions demand robustness and durability. Its ability to carry high radial loads and moderate axial loads in both directions makes it versatile for helical and bevel gear transmissions.

To correctly select an NUP bearing, take into account the radial and axial load it must carry, the rotational speed and the environmental conditions. Sealing is a key aspect: if the equipment works in dusty or humid environments, it is advisable to choose designs with additional seals or shields. Lubrication must be suited to the operating regime; for high speeds oil is recommended, while for moderate speeds a high-quality grease can be used. During mounting, it is essential to ensure precise alignment between the supports and to verify internal clearance, since incorrect mounting can reduce the service life of the bearing.

As for equivalents and interchangeability, FAG NUP series cylindrical roller bearings can be replaced by products from other brands that follow the same standardized designation, such as SKF, NSK, NTN or Timken, as long as dimensions and tolerances are respected. It is important to verify that the cage suffix and internal design are compatible with the application, since there may be differences in load capacity and limiting speed. For a safe replacement, consult our technical team and provide the complete part number of the original bearing.

If you need a quote for an FAG NUP series cylindrical roller bearing, write to us on WhatsApp with the part number or model you require. At MR Accesorios Industriales we advise you so you can choose the most convenient option for your equipment. We are located in Buenos Aires, Argentina, and we serve the entire country. Send us your inquiry and we will reply shortly.

Dimensions

Boundary dimensions of the basic designation NUP 228 per ISO 15: 140 x 250 x 42 mm (d x D x B).

Bore
140mm
Outside diameter (D)
250mm
Width (B)
42mm

Same size in SKF

Pages from other brands with the basic designation NUP 228: 140 x 250 x 42 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 FAG NUP228-E-XL-M1 bearing?
The FAG NUP228-E-XL-M1 bearing has a 140 mm bore, a 250 mm outside diameter and a 42 mm width (140 x 250 x 42 mm). These are the standardised boundary dimensions (ISO 15) of the basic designation NUP 228.
What does the NUP designation mean on an FAG bearing?
The NUP designation indicates a cylindrical roller bearing with two ribs on the inner ring and one rib with a retaining ring on the outer ring. This allows it to carry axial loads in both directions, in addition to radial loads. It is a configuration that provides precise axial guidance.
What is the difference between the -E, -XL and -M1 suffixes?
The -E suffix indicates a design with higher load capacity. -XL identifies FAG premium quality. -M1 indicates that the cage is machined brass, one piece, suitable for high speeds and temperatures. These suffixes can be combined, as in NUP228-E-XL-M1.
How do I request a quote for a specific NUP bearing?
Write to us on WhatsApp with the complete part number of the bearing you need, for example NUP230-E-XL-M1. Our technical team will reply shortly with the quote. We can also advise you if you need help identifying the correct part number.
Request a quote for NUP228-E-XL-M1 via WhatsApp
Request a quote on WhatsApp