Technical information on cylindrical roller bearings

Single row cylindrical roller bearings with cage

Single row cylindrical roller bearings with cage are suitable where:

• Bearing arrangements are subjected to very high radial loads
• Not only high radial forces but also axial loads from one or both directions must be supported by the bearing position (semi-locating or locating bearing function)
• Bearing arrangements must have very high rigidity
• Axial displacements of the shaft relative to the housing must be compensated without constraint in the bearing (in the case of bearings with a non-locating or semi-locating bearing function)
• High radial loads and very high speeds occur but the very high radial load carrying capacity of full complement cylindrical roller bearings is not required
• The bearings should be separable (one bearing ring can be removed for easier mounting)

Cylindrical roller bearing with cage/full complement bearing, comparison of speed and load carrying capacity nG =  limiting speed Cr =  basic dynamic load rating SL1923 =  full complement cylindrical roller bearing NJ23 =  cylindrical roller bearing with cage

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Cylindrical roller bearings with disc cage or with spacers

Cylindrical roller bearings with disc cage/with spacers are suitable where:

• Bearing arrangements are subjected to very high radial loads and higher speeds occur ➤ section, ➤ section
• High dynamic inertia forces are present
• Not only high radial forces but also axial loads from one direction must be supported by the bearing position (semi-locating bearing function) ➤ section
• High shock loads occur
• Thermally stable conditions are required in the bearing even at higher speeds
• The cages are subjected to high dynamic inertia forces; e. g. in vibratory machinery
• Axial displacements of the shaft relative to the housing must be compensated without constraint in the bearing
• The bearings should be separable for easier mounting; in vibratory machinery, for example, the bearing ring with circumferential load as well as the ring with point load should have a tight fit ➤ section, ➤ section

Cylindrical roller bearing with full complement bearing/standard cage/disc cage, comparison of speed and load carrying capacity nG =  limiting speed Cr =  basic dynamic load rating SL1923 =  full complement cylindrical roller bearing NJ23 =  cylindrical roller bearing with standard cage LSL1923 =  cylindrical roller bearing with disc cage

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Single row full complement cylindrical roller bearings

Single row full complement cylindrical roller bearings are suitable where:

• Bearing arrangements are subjected to particularly high radial loads ➤ section
• Not only very high radial forces but also high axial loads from one direction must be supported by the bearing position (semi‑locating bearing function) ➤ section
• Bearing arrangements operating under the conditions described above must have very high rigidity
• Axial displacements of the shaft relative to the housing must be compensated without constraint in the bearing ➤ section
• Very high radial loads occur at lower speeds, i. e. the bearings do not need to achieve speeds as high as those of cylindrical roller bearings with cage ➤ section and ➤ link
• Particularly space-saving designs are required despite very high load
• The bearings should be separable (not self-retaining) for easier mounting ➤ section

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Double row full complement cylindrical roller bearings

Double row full complement cylindrical roller bearings are suitable where:

• Bearing arrangements are subjected to particularly high radial loads ➤ section
• Not only particularly high radial forces but also axial loads from one or both directions must be supported by the bearing position (semi-locating or locating bearing function)➤ section
• Bearing arrangements must have very high rigidity
• Axial displacements of the shaft relative to the housing must be compensated without constraint in the bearing (in the case of bearings with a non-locating or semi-locating bearing function) ➤ section
• Very high radial loads occur at lower speeds, i. e., the bearings do not need to achieve speeds as high as those of cylindrical roller bearings with cage ➤ section and ➤ link
• Space-saving designs are required despite very high load
• The bearings should be separable for easier mounting (bearings with non-locating bearing function) ➤ section and ➤ section

Cylindrical roller bearing with cage/single row full complement bearing, double row full complement bearing, comparison of speed and load carrying capacity Cr =  basic dynamic load rating nG =  limiting speed

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