Round style Tc Bearings are configured so that there is no direct pathway for the fluid to wash or erode. This helps with keeping fluid flow through the bearing pack to a minimum as radial bearings act as a flow restrictor as well.
Configuration of buttons allow for more carbide per square inch > 70% surface area. (Buttons can be stacked much closer together)
Typical life expectancy: 300 – 400 hours. (Run life solely depends upon drilling environment, mud composition, bend settings, carbide saturation and quality)
Average hardness of TC Buttons: > 70 HRC
Average substrate body hardness: 28-36 HRC. (Many material and heat treating options are available)
Common sizes available include but are not limited to: 2 1/8", 2 3/8", 2 7/8", 3 3⁄4", 4.75", 5", 6.25", 6.50", 6.75", 7.75", 8", 9 5/8", and 11 1⁄4"
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