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Bearing Type: | Sealed Journal Bearing | Cutting Material: | TCI |
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Standard: | API-7-1, ISO 9001:2008 | Series: | FSA |
IADC: | 517 | Supplementary Features 1: | G : Reinforced Gauge Protection |
High Light: | tci drill bit,oilfield drill bits |
13 5/8" FSA517 , Tricone Drill Bit , TCI Bit , Sealed Journal Bearing
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
Types & IADC Code | 417 |
437 447 |
517 527 |
537 547 |
617 627 |
637 | |
WOB | KN/mm(Bit Dia.) | 0.4~0.9 | 0.4~0.9 | 0.35~1.0 | 0.5~1.0 | 0.6~1.1 | 0.7~1.2 |
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.
Journal bearings consist of at least one rotating surface separated from the journal by a film of lubricant. The surfaces are specially designed so that the film of lubricant separates them; were they to touch, mating bearing components would gall or possibly fuse. As long as satisfactory lubrication is provided and loading remains within design limits, journal bearings are extremely efficient compares roller-bearing and journal-bearing assemblies.
Contact Person: Jade
Tel: 0086-10-63405086
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