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FAG spherical roller bearing · FAG 23180-BEA-XL-2RSR-MB1
FAG 23180-BEA-XL-2RSR-MB1 spherical roller bearing

FAGBrand we market

FAG 23180-BEA-XL-2RSR-MB1 spherical roller bearing

Manufacturer Part Number23180-BEA-XL-2RSR-MB1Dimensions: 400 x 650 x 200 mm (d x D x B)23180 bearing: all versions and brands →Also searched as: 23180BEAXL2RSRMB1 · 23180 BEA XL 2RSR MB1FAG 231 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 23180-BEA-XL-2RSR-MB1

231Series
Spherical roller bearings, 231 series. For the same bore, each series has a different outside diameter and width.
80Bore
400 mm bore: 80 × 5.
BEA-XL-2RSR-MB1Suffix
FAG suffix: it defines the variant (sealing, cage, internal clearance or other features).

23180 is the standard (ISO) basic designation: it defines the type, the series and the bore.

Description

The FAG 23180-BEA-XL-2RSR-MB1 bearing has a 400 mm bore, a 650 mm outside diameter and a 200 mm width (400 x 650 x 200 mm).

FAG 23180-BEA-XL-2RSR-MB1 is a reference of spherical roller bearing, within Bearings. Request a quote for 23180-BEA-XL-2RSR-MB1 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The spherical roller bearing is a self-aligning bearing with two rows of rollers, a spherical raceway on the outer ring and a cylindrical or tapered bore in the inner ring. It accommodates misalignment and shaft flexing without losing load capacity, which is why it is used in heavy equipment where perfect alignment is not guaranteed. The FAG BEA XL series, which MR Accesorios Industriales carries, covers high-demand applications in mining, cement, steel and material handling.

The designation is read in blocks. The initial number indicates the size: in the examples 23160, 23164, 23168, 23172, 23176 and 23180, the 231 series increases in diameter as the number rises. Then come the design letters: BEA identifies the roller and cage execution, XL the higher load capacity generation, 2RSR the sealing on both sides and MB the solid brass cage guided by the inner ring. The final numeric suffix distinguishes variants within that same execution.

In Argentina these bearings appear in heavy gear reducers and gearboxes, cement and mining mills, crushers, vibrating screens, paper machines, large industrial fans and steel industry equipment. They are also found in overhead cranes, mineral conveyor belts and aggregate processing plants, where the shaft works under bending and the housing is not always perfectly aligned. In such assemblies, the bearing's self-aligning capability prevents parasitic loads on the supports.

To select, consider radial and axial load, rotation speed, shaft diameter and type of fit. The 2RSR variant comes sealed from the factory: it is advisable when there is dust, water or lubricant that can migrate, and the speed limit imposed by the seal must be respected. If the bore is tapered, mounting is done with an adapter sleeve and residual clearance is controlled; if it is cylindrical, it is pressed on hot or with suitable tools. Lubrication, alignment of the supports and cleanliness of the housing are decisive for service life.

Between brands, a spherical roller bearing is identified by its numeric designation and by the execution, sealing and cage suffixes. To replace one unit with another from a different manufacturer, compare bore, outer diameter and width, bore type, internal clearance and sealing system, not just the series number. When the code does not match exactly, it is advisable to verify the technical data sheet of both parts before mounting.

If you have the code engraved on the bearing or the equipment model, send it by WhatsApp to MR Accesorios Industriales and we will quote you shortly. With the complete designation, the brand and the application we can guide you on the correct variant.

Dimensions

Boundary dimensions of the basic designation 23180 per ISO 15: 400 x 650 x 200 mm (d x D x B).

Bore
400mm
Outside diameter (D)
650mm
Width (B)
200mm

Same size in SKF and other brands

Pages from other brands with the basic designation 23180: 400 x 650 x 200 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 23180-BEA-XL-2RSR-MB1 bearing?
The FAG 23180-BEA-XL-2RSR-MB1 bearing has a 400 mm bore, a 650 mm outside diameter and a 200 mm width (400 x 650 x 200 mm). These are the standardised boundary dimensions (ISO 15) of the basic designation 23180.
What does the suffix 2RSR mean on a FAG bearing?
It indicates that the bearing comes sealed on both sides. This seal retains lubricant and blocks the entry of dust and moisture, but limits rotation speed compared with an open execution. It is common in contaminated environments.
How do I know if I need a tapered or cylindrical bore?
It depends on the assembly. The tapered bore is used with an adapter sleeve and allows the internal clearance to be adjusted during mounting; the cylindrical one fits directly on the shaft. If the shaft is already machined, the bore type is defined by it.
Can I replace a bearing from one brand with another manufacturer's?
Yes, if the main dimensions, bore type, internal clearance and sealing match. The numeric designation helps, but suffixes change between manufacturers. Send the complete code by WhatsApp and we will verify it before quoting.
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