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169mm Piling Roller Cone Bits , Single Roller Bits for Rotary Drill Rigs

Categories: Foundation Series, Roller Cone Bits

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Description

C169 Series Replaceable Type

Bearing Structure

Features of C169 Series

1	Journal sealed bearing with TCI protection on heel of cones
2	Bigger cone, TCI covers full cones, longer working life.
3	Shirttail hard enhanced by Tungsten Carbide.
4	C169-537 adopts 17mm chisel TCI, C169-637 adopts 16mm conical-ball TCI.
5	C169 series suits for drilling hard rocks, bigger diameter TCI Inserts brings higher wear resistance and lower inserts breakage rate，it suits for bigger diameter core barrel

Technical specification of roller cone bit C169

Raw Material

Cone

20CrNiMo

Arm

20CrNiMo

Tooth

Tungsten Carbide Inserts

Tooth Type

Tooth Qty.&Diameter

50 PCS / 17mm

Tooth Height

Total height: 26mm, inside height: 15mm, outside height: 11mm

Bearing and Lubrication

Tungsten carbide enhanced on bearing

A	Yes
B	Yes
C	No

Grease Lubrication & Bearing Seal

O-ring Seal. Inject grease NOT by vacuum machine

This model was designed for Bauer rotary drilling rig initially, but it is also widely used by Sany, Soilmec, XCMG piling rotary drilling rigs in the world.

We provide quality roller cone bits for Piling companies, Rotary Drilling Rig factories, Distributors of foundation piling tools.

As the welding process on rock drilling bucket is important factor for performance, we provide training service of welding for customers and drillers, detailed documents and drawings are attaching with roller cone bits and we are pleasant to invite and train to weld better in our factory.

169mm roller cone bits is used for rock drill bucket which diameter is bigger than 1500mm, rock hardness higher than 100MPa.