NU222 -E-XL-TVP2-C3 Cylindrical Roller Bearings by FAG
NU222 -E-XL-TVP2-C3 Cylindrical Roller Bearings by FAG

FAG

Cylindrical Roller Bearings FAG NU222 -E-XL-TVP2-C3

Technical data
 
Inner diameter
110 mm
Outer diameter
200 mm
Width
38 mm
Roller rows
Single row bearing
Seal
None, open bearing
Cage
Polyamide cage
Clearance
Slightly increased radial clearance
Running accuracy
Tolerance class P0/PN2 / ABEC 1
Current insulation
No current insulation
Bore
Cylindrical bore
Outer ring
Without groove/lubrication holes
Design
Floating bearing, inner ring removable on both sides
Temperature range
-30 to +120 °C
Weight
4,84 kg
Scale quantity Your discount Unit price
2 11,70 € 222,39 €
5 23,41 € 210,68 €
234,09 €
exkl. MwSt, zzgl. Versandkosten

25 ready to ship

Cylindrical Roller Bearings FAG NU222 -E-XL-TVP2-C3
In Stock

Cylindrical Roller Bearings FAG NU222 -E-XL-TVP2-C3

The FAG NU222 -E-XL-TVP2-C3 cylindrical roller bearing, with dimensions of 110 × 200 × 38 mm, offers a high-load-capacity idler bearing solution for demanding radial bearing applications.

The single-row cylindrical roller bearing NU222 -E-XL-TVP2-C3 accommodates high radial forces and typically functions as a pure idler bearing in rolling bearing arrangements. As the outer ring has solid flanges, whilst the inner ring is flangeless and removable from both sides, this design compensates for operational length changes in the shaft directly within the bearing. This product is manufactured by FAG and complies with tolerance class P0/PN or ABEC 1.

When is the NU222 -E-XL-TVP2-C3 cylindrical roller bearing used as a non-locating bearing?

This design accommodates purely radial forces when shaft guides must remain axially free to move. The design separates the rings from one another, allowing the inner ring to be fitted separately onto the shaft and the outer ring into the housing. This significantly simplifies installation in the case of tight fits and facilitates assembly as well as subsequent maintenance procedures in industrial applications.

What is important to consider with polyamide cages and C3 clearance?

The TVP2 polyamide cage guides the rolling elements quietly and is characterised by its low weight. The permissible temperature range is between –30 and +120 degrees Celsius. The increased radial bearing clearance (C3) provides the necessary operating margin in the event that tight fits or temperature differences between the shaft and housing reduce the bearing clearance during operation. As this is an open bearing without an integrated seal, the bearing housing must be sealed via the casing and lubricated externally.

What are the distinctive features of the NU design in the NU222 -E-XL-TVP2-C3 cylindrical roller bearing?

This design is characterised by two solid flanges on the outer ring and a flangeless inner ring. This allows the inner ring to be pulled out axially from both ends. The bearing functions as a conventional non-locating bearing and allows for the unrestricted longitudinal compensation of shafts during thermal expansion, without generating axial constraint stresses in the bearing arrangement.

What is the function of the TVP2 polyamide cage?

The polyamide cage guides the cylindrical rollers and reduces friction and operating noise. The material can withstand operating temperatures ranging from -30 to +120 degrees Celsius. When selecting the product, care must be taken to ensure that lubricants and any additives are compatible with polyamide.

Why does this cylindrical roller bearing have a clearance class of C3?

The C3 clearance group offers greater radial clearance than the standard version. This additional clearance helps to prevent the rolling elements from jamming if tight fits on the shaft or housing cause the rings to expand, or if significant heating during operation leads to a reduction in the internal operating clearance.

What are the dimensions of the NU222 -E-XL-TVP2-C3 cylindrical roller bearing?

The bearing has a cylindrical bore of 110 mm, an outer diameter of 200 mm and a total width of 38 mm. The outer ring is smooth, meaning it has neither a circumferential lubrication groove nor lubrication holes; this must be taken into account when supplying lubricant to the housing.

How is the open storage area protected from dirt?

In the absence of integrated sealing washers, the surrounding housing structure must prevent the ingress of dirt or moisture. Radial shaft seals, labyrinth seals or housing covers with sealing elements fulfil this protective function and help to ensure that the lubricating grease or oil remains within the bearing.

Schaeffler Technologies AG & Co. KG
Industriestraße 1-3, 91074 Herzogenaurach, Germany
info.de@schaeffler.com, https://www.schaeffler.de/de/meta/impressum/

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