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Standard Single Row Cylindrical Roller Bearings
 
   
       
Standard single row cylindrical roller bearings with cage have a very high radial load carrying capacity and are suitable for higher speeds. They are produced in different designs which differ in the configuration of the flanges. single row cylindrical roller bearings are available in N, NU, NJ, NUP and NJ+HJ type. 
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High Precision Double Row Cylindrical Roller Bearings
 
     
       
High precision Double row cylindrical roller bearings correspond to tolerance class SP and are mainly suitable for machine tools application. High precision Double row cylindrical roller bearings are used to give radial support for main spindles. These bearings are available in series NN..30 with cylindrical bore and NN..30 K with tapered bore in which the  outer ring is separable and also in NNU..49 with cylindrical as well as tapered bore where the inner ring is separable.
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Full Complement Cylindrical Rroller Bearings
 
 
       
Full complement cylindrical roller bearings incorporate maximum number of rollers and are without cage; Full complement cylindrical roller bearings of single row and double row have extremely high load carrying capacity and high rigidity and are pre-fixed as SL, NCF, NJG, NNC by reputed manufacturers such as FAG, INA, SKF and NSK.
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Taper Roller Bearings
       
 
       
Taper roller bearings have tapered inner and tapered outer ting raceways between which rollers are arranged. Their design makes taper roller bearings particularly suitable for accommodation of combined loads i.e radial as well as axial loads. Taper roller bearings are available in metric and inch series in single row, double row as well as four rows. Taper roller bearings are identified by series 302, 303, 313, 320, 322, 323, 329, 330, 331, 332

TIMKEN SKF FAG NKE NTN manufactures taper roller bearings for various industrial as well as automotive applications.

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Spherical Roller Bearings
       
       
Spherical Roller Bearings are double row, self retaining units comprising solid outer rings with a sphere raceway, solid inner rings and barrel rollers with cages. The inner rings have cylindrical or tapered bores. The barrel rollers orient themselves freely on the sphere outer ring  raceway which compensates for any misalignments of the shaft relative to the housing. Spherical roller bearings are designed for very high load carrying capacity, and since they are equipped with long barrel rollers they could be subjected to heaviest loads.

Spherical roller bearings are available in series 213, 222, 223, 230, 231, 232, 233, 239, 240, 241 with cylindrical bore and tapered bore. Spherical roller bearings with tapered bore are mounted with adapter sleeve or withdrawal sleeve as per requirement

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Barrel Roller Bearings
       
   
       
Barrel roller bearings are single row, self-aligning roller bearings. They comprise solid outer rings with a sphere raceway, solid inner ring with barrel rollers and cage. Barrel rooler bearings are particularly suitable where high radial shock type loads occur and misalignments has to be compensated. Barrel roller bearings are available in series 202 & 203 with cylindrical bore as well as tapered bore
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Spherical Roller Thrust Bearings
       
 
       
Spherical Roller Thrust Bearings  are single row self-aligning roller bearings of separable design; the shaft washer with roller and cage assembly, and the housing washer can be mounted individually. Spherical Roller Thrust Bearings  incorporate a large number of asymmetrical rollers and have specially designed raceways which compensates misalignments, shaft deflections and housing deformations. Spherical Roller Thrust Bearings   are suitable for very heavy axial loads and also permit relatively high speed operation. Spherical Roller Thrust Bearings  are indentified by series 29200, 29300 & 29400

SKF FAG NKE NTN are some of the reputed manufacturers involved in producing spherical roller bearings, barrel roller bearings and spherical roller thrust bearings.