Suchfeld
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Tel. 00492932/9771-23
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Radial needle bearings

Radial needle roller bearings are single or double row units consisting of machined outer rings, needle roller and cage assemblies and removable inner rings. The NA49..-RSR series is sealed on one side. Radial needle roller bearings in the NA49..-2RSR design have rubbing seals on both sides. Operating temperature of the radial needle roller bearings: open bearings can be used at operating temperatures from -20 °C to +120 °C. Sealed needle roller bearings are suitable for operating temperatures from -20 °C to +100 °C, limited by the lubricating grease and the sealing material! The cages are made of sheet steel or plastic. Bearings with a plastic cage have the suffix TV. You can find more detailed explanations of the suffixes in our lexicon. Needle bearings are roller bearings with rolling elements that are very thin in relation to their length, the needle rollers. These needle rollers are designed with slightly crowned outer surfaces towards the ends. With the resulting between the needle rollers and the raceways This end profiling avoids harmful edge stresses and extends the bearing service life. Our range of radial needle roller bearings includes the manufacturers INA and SKF.

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