TO22

IADC CODE 2-2-1
Non-sealed ball and roller bearing

FORMATION: Medium to hard strength with hard streaks(calcite, dolomite, limestone, anhydrites, hard shales).

CUTTING STRUCTURE: The TO22 has slightly shorter tooth length and more close spacing than TO21. Long crests in outer rows have self-sharpening hardfacing for maximum penetration and long life.

Journal Angle – 36°
Skew Angle – 2°
Gage Row Tooth Shape – A

ROTARY SPEED
150 – 60 RPM