New FAG tube roller bearings prevent slippage
April 26th 2007

At this year’s Hanover Fair, Schaeffler Group Industrial, with its brands INA and FAG, presented its development project that will extend the application range of cylindrical roller bearings.

The FAG tube roller bearing is suitable for applications where low radial loading can lead to bearing slippage, resulting in possible bearing damage. The new solution has a roller set, three of the standard cylindrical rollers have been replaced by tube rollers. These rollers have a larger diameter, which produces a slight preload in the bearing. In this way the tube rollers drive the roller set under low load conditions.

Roller set slippage and any resulting damage is now avoided. If the bearing is subjected to higher radial loads, the tube rollers retract elastically and the forces are spread onto the rolling elements in the load zone.

Compared with axially preloaded tube roller solutions, the new bearings are said to permit simplified designs and easier installation. Since their abutment dimensions have remained unchanged, they are also interchangeable with standard cylindrical roller bearings.

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