Cylindrical Roller Bearings

Cylindrical Roller Bearings

Cylindrical roller bearings are available in a wide range of designs, series, variants and sizes. The main design differences are the number of roller rows and the inner/outer ring flanges as well as cage designs and materials.


The bearings can meet the challenges of applications faced with heavy radial loads and high speeds. Accommodating axial displacement (except for bearings with flanges on both the inner and outer rings), they offer high stiffness, low friction and long service life. The separable components of cylindrical roller bearings are interchangeable, which facilitates mounting and dismounting, as well as maintenance inspections.


They can be used in both locating and non-locating bearing positions in bearing arrangements in for example: Stationary gearboxes, Automotive gearboxes, Electric motors, Vibration motors, Wind turbines, Off-highway equipment, Pumps and compressors, Material handling equipment, Textile machinery, Rail vehicles, Rolling mills.

Cylindrical roller bearings are available in many designs, series and sizes. Major design differences are in the number of roller rows, with or without a cage, inner or outer ring centered cage, position and numbers of guide flanges.


Common design and variants

 Differences1726709601695204215971885056.jpg@!w4001726709601695204217699938304.jpg@!w4001726709602695204219469934592.jpg@!w4001726709602695204221172793344.jpg@!w4001726709603695204222879875072.jpg@!w4001726709603695204224603734016.jpg@!w4001726709603695204226382118912.jpg@!w4001726709604695204228085006336.jpg@!w4001726709604695204229905334272.jpg@!w4001726709605695204231645970432.jpg@!w400
Number of roller rowsSingle RowSingle RowSingle RowSingle RowSingle RowSingle RowSingle RowSingle RowDouble RowsDouble Rows
With or without cageYesYesYesYesYesYesYesYesYesYes
Flanges on the inner ringTwoTwoTwoNoNoOneOne non-integral

One integral,

 one non-integral

Three FlangesNo
Flanges on the outer ringNoOne integral

One integral,

 one non-integral

TwoTwoTwoTwoTwoNoThree Flanges
Inner ring



Extened on 

both sides




InseparableInseparable
Outer ring







SeparableSeparable
Shaft Axial DisplacementBoth directionsOne directionNoBoth directionsBoth directionsOne directionOne directionNoBoth directionsBoth directions


The standard cages for single row cylindrical roller bearings are listed in the table below. The cages for the NU, NJ, NF and NUP types are normally the same as those for the N type.

Bearings with PA66 cages (suffix designation TN) are intended for operation at temperatures up to +120 °C. 

Bearings requiring continuous operation at very high temperatures or under severe conditions are also available. Solid brass cages (suffix M) are available for bearing units requiring extremely high temperatures or continuous operation under severe conditions.


Standard cages for single row cylindrical roller bearings

Bore diameter Series
Dimension SeriesPA 66Solid brass cages
1
04~40
203~2204~40
303~2203~38
4
06~24
2203~2203~40
2304~1804~38