Sealed Journal Bearing
FORMATION: Very soft, low compressive strength (sandy shales, red beds, salts, clay).
CUTTING STRUCTURE: The DFG43 features high offset-crests with chisel-Shaped inner row teeth providing maximum projection and intermesh. Non-uniform tooth spacing is used to reduce bit tracking tendencies.
Journal Angle – 33°
Skew Angle – 5°
Gage Row Tooth Shape – Sharp Chisel
ROTARY SPEED
180 – 80 RPM
IADC CODE 4-3-7
Sealed Journal Bearing
FORMATION
Very soft, low compressive strength (sandy shales, red beds, salts, clay).
CUTTING STRUCTURE
The DFG43 features high offset-crests with chisel-Shaped inner row teeth providing maximum projection and intermesh. Non-uniform tooth spacing is used to reduce bit tracking tendencies.
Journal Angle
33°
Skew Angle
5°
Gage Row Tooth Shape
Sharp Chisel
ROTARY SPEED
180 – 80 RPM
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