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|Bearing Type:||Rubber Sealed Journal Bearing||Cutting Material:||TCI|
|Standard:||API-7-1, ISO 9001:2008||Series:||FSA|
|Application 1:||Oil Well Drilling / Gas Well Drilling||Application 2:||Geothermal Well Drilling|
tungsten carbide drill bits,
oil well drill bit
13 3/4" FSA437G , Rock Bit , Drill Bit , Sealed Journal Bearing , TCI Tricone Bit , Roller Cone Bit
Form 7 7/8inch to 17 1/2inch
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
|Types & IADC Code||117||127||
|Lb/in. (Bit Dia.)||2000~4271||2000~5142||2000~5142||2000~5714||2571~5714||2571~6285||2857~6285|
|Rotation Speed (Rpm)||240~80||240~70||180~80||220~60||220~50||200~50||180~40|
The above chart represents commonly available sizes and types, we do produce other sizes and types of rock bits which do not appear on this list. Please contact us for more information.
Roller Cone Bit Seal Definitions
In a rotating bearing, the two working sides of a seal are called the static energizer and the dynamic wear face. These two parts are directly opposite each other, with the energizing portion bearing on the gland and the dynamic wear face bearing against the rotating unit. For the energizing portion of the seal to function properly, it must have a surface against which to react. This is provided by a channel-shaped groove called a seal gland.
An O-ring is installed in a seal gland to form a seal system. The gland holds the O-ring in place and is sized so that the O-ring is compressed between the gland and the bearing hub at which sealing is required. It presses the interior wall of the O-ring against the hub and the exterior diameter of the O-ring against the gland. These latter forces prevent the seal from turning in the gland and experiencing wear on the outer surfaces by rotational contact with the gland.
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