NU222 -E-M1 Cylindrical Roller Bearings by FAG
NU222 -E-M1 Cylindrical Roller Bearings by FAG

FAG

Cylindrical Roller Bearings FAG NU222 -E-M1

Technical data
 
Inner diameter
110 mm
Outer diameter
200 mm
Width
38 mm
Roller rows
Single row bearing
Seal
None, open bearing
Cage
Brass cage
Clearance
Normal 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 +150 °C
Weight
5,5 kg
Scale quantity Your discount Unit price
2 19,81 € 376,34 €
3 39,61 € 356,54 €
396,15 €
exkl. MwSt, zzgl. Versandkosten

20 ready to ship

Cylindrical Roller Bearings FAG NU222 -E-M1
In Stock

Cylindrical Roller Bearings FAG NU222 -E-M1

The FAG NU222 -E-M1 cylindrical roller bearing (110x200x38 mm) serves as a separable idler bearing for high radial loads, featuring a robust brass cage.

The NU222 -E-M1 cylindrical roller bearing is a single-row roller bearing from FAG designed for demanding industrial applications. With a bore of 110 mm, an outer diameter of 200 mm and a width of 38 mm, this design can withstand high radial forces. Due to its open design without an integrated seal, the rolling element set runs directly in externally supplied lubricant. The design complies with tolerance class P0/PN or ABEC 1 and operates within a temperature range of -30 to +150 degrees.

What is the NU222 -E-M1 cylindrical roller bearing suitable for?

This roller bearing is used wherever designs combine high radial loads with axial length changes. As the NU design functions purely as a non-locating bearing, it compensates for thermal length expansion of the shaft directly between the rollers and the inner ring. Typical applications include industrial drives and shaft mountings where axial displacements must be accommodated without inducing stress. The solid brass cage guides the cylindrical rollers precisely and withstands continuous dynamic loads.

What are the advantages of the NU design with a brass cage?

In the NU design, the outer ring has two fixed flanges, whilst the inner ring is flangeless and removable from both sides. This separability makes assembly and maintenance considerably easier, as you can press both rings onto the shaft and housing independently of one another. The brass cage is particularly suitable for applications involving vibrations or high accelerations. When planning, take into account the standard radial bearing clearance as well as the need for an external housing seal to protect the bearing location.

What are the dimensions of the NU222 -E-M1 cylindrical roller bearing?

The bearing has an inside diameter of 110 mm, an outside diameter of 200 mm and a width of 38 mm. These dimensions correspond to the standardised main dimensions of the series. With a tolerance class of P0/PN or ABEC 1, the roller bearing fits into standardised mounting seats used in general mechanical engineering.

What role does the NU design play in the bearing system?

The NU design is used exclusively as a floating bearing to accommodate radial forces. Two fixed flanges on the outer ring guide the rollers, whilst the flangeless inner ring compensates for axial displacement of the shaft with low friction within the bearing. This design cannot transmit pure axial forces, which is why the bearing arrangement requires a separate fixed bearing.

What are the distinctive features of the brass cage?

The solid brass cage withstands vibrations, fluctuating accelerations and elevated operating temperatures. Brass offers favourable damping properties and high dimensional stability under demanding operating conditions. This makes the M1 version suitable for industrial drives subject to continuous radial loads.

Why can the inner ring on the NU222-E-M1 be removed from both sides?

The inner ring has no guide flanges and can therefore be pulled completely out of the outer ring with the roller set. This separability simplifies installation and removal in hard-to-reach housings, as both bearing rings can be fitted separately. During final assembly, slide the shaft with the inner ring precisely into the unit.

Within what temperature range can the cylindrical roller bearing be operated?

The bearing is designed for operating temperatures between -30 and +150 degrees. This wide temperature range is due to the dimensionally stable components and the temperature-resistant brass cage. To ensure trouble-free operation, select the lubricant and the external housing seal to suit the temperatures actually encountered at the point of use.

What type of lubrication does the NU222 -E-M1 open cylindrical roller bearing require?

As the bearing is supplied from the factory without seals and the outer ring has no lubrication bore, the lubricant is supplied via the surrounding structure. Depending on the operating conditions and speed, either oil or grease lubrication is suitable. An external housing seal prevents the lubricant from leaking out and protects the bearing from ingress of particles.

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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