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311.2mm TCI Drill Bit , Tungsten Carbide Insert Bit With Friction Bearing / Sealed Bearing

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311.2mm TCI Drill Bit , Tungsten Carbide Insert Bit With Friction Bearing / Sealed Bearing

Name: 3112mm TCI Drill Bit Tungsten Carbide Insert Bit With Friction Bearing Sealed Bearing
Brand: FLRT
Price: 1 USD

Brand Name : FLRT

Model Number : 10 5/8 FA537G

Certification : API-7-1, ISO 9001:2008

Place of Origin : China

MOQ : 20pcs

Supply Ability : 300pcs per quarter

Delivery Time : 5~45 workdays

Packaging Details : plywood box / iron box

Bearing Type : Sealed Friction

Cutting Material : Tungsten Carbide Insert

Standard : API-7-1, ISO 9001:2008

IADC : 517

TRC : Three Roller Cone

Package : Plywood Box

Color : Blue

Shirttail : Alloy Hard Facing

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311.2mm TCI Bit , IADC 517 , Friction Bearing , Sealed Bearing , Tungsten Carbide Insert Bit , TRC Bit

RECOMMENDED DRILLING PARAMETERS FOR APPLICATION

Types & IADC Code		417	437 447	517 527	517 527	537 547	617 627	637
WOB	KN/mm(Bit Dia.)	0.4~0.9	0.4~0.9	0.35~1.0	0.35~1.0	0.5~1.0	0.6~1.1	0.7~1.2
WOB	Lb/in. (Bit Dia.)	2285~5142	2285~5142	2000~5714	2000~5714	2857~5714	3428~6285	4000~6857
Rotation Speed (Rpm)		140~60	240~70	125~50	~60	110~50	100~40	80~4

Seal Definitions

- In a rotating bearing, the two working sides of a seal are called the static energizer and the dynamic wear face. These two parts are directly opposite each other, with the energizing portion bearing on the gland and the dynamic wear face bearing against the rotating unit. For the energizing portion of the seal to function properly, it must have a surface against which to react. This is provided by a channel-shaped groove called a seal gland.

- The wearing portion of the seal must have the capability to withstand the heat and abrasion generated as the rotating surface passes over it. The energizer, when functioning correctly, is not a high-wear area. Ideally, it simply bears against the gland and provides the pushing energy that maintains firm contact between the wear surface and rotating cone.

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