S Series Elastomer Sealed Journal Bearing Bit
Delivery term:The date of payment from buyers deliver within days- Price:
Negotiable
- minimum:
- Total supply:
- Delivery term:
The date of payment from buyers deliver within days
- seat:
Beijing
- Validity to:
Long-term effective
- Last update:
2017-12-24 22:06
- Browse the number:
221
Company Profile
- Liyang Henyu Machining Co. Ltd By certification [File Integrity]
-
Contact:
cnpcbit(Ms.)
- Telephone:
-
Area:
Beijing
-
Address:
Industrial Zone, Zhuze Town, Liyang, Changzhou, Jiangsu, China (213351)
- Website: http://cnpcbit.keithjevans.com/
Product details
Model Number: 8 1/2ST527GK(IADC:527)
Brand Name: TRANSTONE
Key Specifications/Special Features:
Cutting structure:The wear-resistance of teeth is enhanced with premium tungsten carbide hard facing on the tooth surfaces for steel tooth bitThe durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bitGauge structure:Multiple gauge protection with gauge trimmers on the heel of cone, tungsten carbide inserts and hard facing on the shirttail increases gauge holding capability and bearing lifeBearing structure:High precision journal bearing with two thrust facesBalls lock the cone. Hard faced head bearing surfaceCone bearing inland with friction-reducing alloy and then silver-platedAbrasion resistance and seizure resistance of the bearing are improvedSeal and lubricationPremium 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 lubricating reliability
Product application:
It can receive high WOB in the conventional drilling
It is suitable for various formations by matching cutting structure with different tooth exposure height
The pressure compensator system and advanced grease can greatly increase the lubricating reliability
Product application:
It can receive high WOB in the conventional drilling
It is suitable for various formations by matching cutting structure with different tooth exposure height
Size(in) | Size(mm) | IADC | WOB(kN/mm) | RPM(r/min) | Applicable formations |
8 1/2 | 215.9 | 527 | 0.35-1.0 | 140-60 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft shale, soft limestone and more |
Shipping Information:
- Lead Time: 10 - 60 days
Main Export Markets:
- Asia
- Central/South America
- Eastern Europe
- Mid East/Africa
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