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Diameter: 17 1/2"(444.5mm)
Bearing Type: Rubber Sealed
Drilling Cycle Type: Mud Circulation
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Diameter: 14 3/4'' (374.6mm)
Bearing Type: Rubber Sealed
Drilling Cycle Type: Mud Circulation
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Diameter: 8 1/2 Inch
Bearing Type: Rubber Sealed
Drilling Cycle Type: Mud Circulation
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Diameter: 171.5mm (6.75 Inch)
Bearing Type: Rubber Sealed
Drilling Cycle Type: Mud Circulation
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Diameter: 14-3/4" (374.6mm)
Bearing Type: Rubber Sealed
Drilling Cycle Type: Mud Circulation
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Diameter: 8 1/2 Inch
Bearing Type: Rubber Sealed
Drilling Cycle Type: Mud Circulation
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Diameter: 17-1/2 Inch
Bearing Type: Rubber Sealed
Drilling Cycle Type: Mud Circulation
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Diameter: 17 1/2'' (444mm)
Bearing Type: Journal Bearing/rubber Sealing Ring
Drilling Cycle Type: Mud Circulation
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Diameter: 9 7/8'' (251mm)
Bearing Type: Roller-Ball-Roller-Thrust Button/Sealed Bearing
Circulation: Jet Air
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Diameter: 12 1/4'' (311mm)
Bearing Type: Roller-Ball-Roller-Thrust Button/Sealed Bearing
Circulation: Jet Air
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