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|Bearing Type:||Sealed Journal Bearing With Gauge Protection||Cutting Material:||TCI|
|Standard:||API-7-1, ISO 9001:2008||Series:||FSA|
|Application 1:||Vertical Well Drilling||Application 2:||Gas Well Drilling|
|Application 3:||Geothermal Well Drilling||Application 4:||HDD Drilling|
tungsten carbide drill bits,
oil well drill bit
13 5/8" FSA517G , TCI Tricone Bit , TCI Bit , Sealed Journal Bearing , Tricone Rock Bit , IADC 517
Form 3 7/8inch to 18 1/2inch
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
|Types & IADC Code||417||
|Lb/in. (Bit Dia.)||2285~5142||2285~5142||2000~5714||2857~5714||3428~6285||4000~6857|
|Rotation Speed (Rpm)||140~60||140~60||125~50||110~50||100~40||80~40|
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 Bearing Seals
On a purely practical level, bearing seals have two functions: to prevent foreign materials, such as mud, cuttings, chemicals, and water, from entering the bearings and to prevent bearing lubricant from escaping the bit.
Visualize the difference in the nature of these two duties. On the interior side, the seal is excluding clean, functional lubricant from escaping the bit, while on the exterior side, the seal is excluding dirt and chemicals from penetrating the bit. The separation of these two extremely different functions takes place at a small point between the two sides of a seal. If either of these functions breaks down, the bearings and the bit could be destined for failure.
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