Tapered roller bearings belong to separated bearings which consis of inner ring,outer ring,tapered roller and a cage.it mainly carry radial loads and some unite load between radial and axis direction, normally it can not carry axis ...

Spherical roller bearing is comprised of inner ring with double raceway,double row spherical rollers ,cage and big outside spherical ring. It can alignment center of spindle by itself and bear bidirectional axis loads, at same time ,bear ...

   Long Cylindrical roller bearings consist of inner ring,outer ring,cage and long cylindrical rollers. Contact way between roller and ring of long cylindrica roller bearings is lingtype.comparing with common cylindrical ...

CT roller cutters are acailable for wide range of application. It can be matched to types of reverse circulat-ion rigs and cover the drilling range of 400mm - 3500mm with maximum penetration rate. These cutters are hydrostatically sealed ...

     Cylindrcal rolller bearing belone to separate bearings, inner and outer ring roller are line contact,friction coefficient is low, speed rate is higt, it just bear radical load,and little axis load. ...

FTWNZK-2002 Computerized Torque Automatic Controller is an electronic apparatus specially designed for hydraulic power tong to automatically control the best torque value when locking the drilling rod or tube in the oilfield service. It ...

1.JISF 2014-1987 Fairlead Roller,dia 150-400mm2.Fairlead Roller(Type A),dia 150-300mm,3.GB10105-88 Marine Roller For Fairlead,dia 150-450mm

The Pin Drive Roller Kelly Bushing is made up of top cap ,bottom seat ,shaft,roller floating ring ,transmission pins,fixed bolts,iol cup,etc.  Pulling out or feeding off string can be done while roatating;  Because of its integral ...

New Series EVS Pneumatic Liquid Level Controller

Roller Kerlly Bushings are used for 171/2-491/2 inch rotary tables. They are designed and manufactured according to API Spec 7K.