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Product Details:
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| Bearing Type: | Sealed Journal Bearing With Gauge Protection | Cutting Material: | Mill Tooth Tricone Bit |
|---|---|---|---|
| Standard: | API-7-1, ISO 9001:2008 | Series: | FSG |
| IADC: | 217 | Supplementary Features 1: | G : Reinforced Gauge Protection |
| TCR: | Three Cone Roller | ||
| High Light: | tci drill bit,oilfield drill bits |
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10 5/8" FSA217G, Tricone Drill Bit, Sealed Journal Bearing with Gauge Protection, TCR Bit
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
| Types & IADC Code |
116 117 |
126 127 |
136 137 |
216 217 |
246 247 |
326 327 |
|
| WOB | KN/mm(Bit Dia.) | 0.48~1.0 | 0.48~1.0 | 0.48~1.0 | 0.4~1.0 | 0.4~1.0 | 0.55~0.85 |
| Lb/in. (Bit Dia.) | 2742~5714 | 2742~5714 | 2742~5714 | 2285~5714 | 2285~5714 | 3140~4860 | |
| Rotation Speed (Rpm) | 160~80 | 150~70 | 130~60 | 100~60 | 80~50 | 60~45 | |
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.
Design of journal bearings
Journal bearings must provide a balanced bearing geometry and adequate journal strength and must maximize the thickness of the high-pressure lubricating film developed during hydrodynamic lubrication. The thickness of lubricating films is affected by:
-Surface areas
-Journal and cone diameters
-Clearances between journal and cone
Manufacturing tolerances must be precise so that surfaces run true. Roundness of journal and cone surfaces is important, and if any part of a bearing is out of round, the effectiveness of the lubrication regime will be adversely affected.
Contact Person: Jade
Tel: 0086-10-63405086
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