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The NU222-E-XL-TVP2 FAG bearing is a single row cylindrical roller bearing with a plastic molded cage, a cylindrical bore and no seal.
|Article number||NU222-E-XL-TVP2 FAG|
Single row cylindrical roller bearings with cage, like the NU222-E-XL-TVP2 FAG, are units comprising solid inner and outer rings together with cylindrical roller and cage assemblies.
The outer rings have rigid ribs on both sides or no ribs, the inner rings have one or two rigid ribs or are designed without ribs. The cage prevents the cylindrical rollers from coming into contact with each other during rolling.
The cage type bearings are very rigid, can support high radial loads and, due to the cage, are suitable for higher speeds than the full complement designs.
The bearings are separable and are therefore easier to fit and dismantle. Both bearing rings can be given a tight fit by this process.
The NU222-E-XL-TVP2 FAG is according to the latest X-life quality from Schaeffler. They replace, and are interchangeable, with the NU222-E-TVP2 FAG and NU222E.TVP2 FAG.
Bearings of X-life quality have, for example, lower roughness Ra and higher geometrical accuracy of the raceways than comparable designs that are not X-life. As a result, these bearings have higher load carrying capacity and longer life for the same dimensioning. In certain applications, this means that a smaller bearing arrangement can be designed.
Bearings with the suffix E have a higher capacity roller set and are thus designed for very high load carrying capacity.
Cylindrical roller bearings NU are non-locating bearings and can support radial forces only. In series NU, the outer ring has two ribs, while the inner ring has no ribs.
Axial displacement: The outer and inner ring can be axially displaced relative to each other from the central position by the value “s”.
Bearings with L-section ring: Non-locating bearings NU can be combined with an L-section ring HJ to form a semi-locating bearing unit. They must not be installed with two L-section rings (due to the risk of jamming).
The bearings are supplied without seals.
They can be lubricated from the end faces using grease or oil.
Bearings with a plastic cage (suffix TVP2) are suitable up to +120 °C; the operating life is heavily dependent on the lubricant used.
Cylindrical roller bearings with the suffix TVP2 have a cage made from glass fibre reinforced polyamide PA66.
Check the chemical resistance of polyamide to synthetic greases and lubricants with EP additives.
Aged oil and additives in the oil can impair the operating life of plastic cages at high temperatures. The oil change intervals must be observed.