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FA series journal bearing tricone bit
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Cutting structure:
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The wear-resistance of the teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for steel tooth bit.The durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bit.
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Gauge structure:
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Multiple gauge protection with gauge trimmers on the heel of cone,tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capacity and bearing life.
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Bearing structure:
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High precision journal bearing with two thrust faces, balls lock the cone. Hardfaced head bearing surface. Cone bearing inlaid with friction-reducing alloy and then silver-plated. Abrasion resistance and seizure resistance of the bearing are improved.
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Seal and lubrication:
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Premium HNBR O-ring, optimal seal compression and curved seal structure can enhance the seal performance. The pressure compensator system and advanced grease can greatly increase the lubrication reliability.
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Product application:
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It can receive high WOB in the conventional drilling. It is suitable for various formations by matching cutting structure with
different tooth shape, tooth density and tooth exposure height.
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