5 1/2"API Oil Equipment Square Drive Roller Kelly Bushing

• After-sales Service: 24 Hours
• Warranty: 18month
• Manufacturing Process: Forging
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: API
• Surface Treatment: Spray-Paint
• Operation Pressure: High Pressure
• Material: High Manganese Steel,Tungsten Carbide
• Grade: 35CrMo AISI 4140 G105
• Name: Roller Kelly Bushing
• Weight: Different for Each Size
• Colour: Customized
• Model: 5 1/2"API Oil Equipment Square Drive Roller Kelly
• Transport Package: Standard Export Package
• Specification: 2 3/8 2 7/8 3 1/2
• Trademark: SEACO
• Origin: Shandon China
• HS Code: 84314310
• Production Capacity: 100
• Package Size: 38.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 199.000kg
• Lead Time: 3 days (1 - 1 Sets) ; To be negotiated ( > 1 Sets)

Product Description

API oil equipment Square Drive Roller Kelly Bushing

Specifications

1.lower wear , long life ,friction lower,weight accurate 
2.can't fly out and hurt you 
3.high qulity and conpetitive price

Product Description

Square Drive Roller Kelly Bushing

    The Square Drive Roller Kelly Bushing provides the following advantages:

 

    1.Pulling out or feeding off string can be done while rotating;

    2.Because of its whole construction, it can no fly out and hurts you.

    3.The bushing is easily installed into the master bushing, maintaining good alignment;

    4.The contact between Kelly and roller is rolling contact, so friction is lower, and weight on bit is accurate;

    5.The Kelly has lower wear and has long life;

    6.Laber condition is improved.

Model				HDS	27-HDP	20-HDP	MDS	20-MDP	17-MDP	LDS
Type				Heavy			Medium			Light
Max.torque	N.m	32365					22555			13729
	ft.lbf	23871					16636			10126
Drive Mode			Square		Pin		Square	Pin		Square
Square	mm	76.2~152.4					63.5~133.35			63.5~133.35
	in	3~6					21/2~51/4			21/2~51/4
Hex	mm	76.2~152.4					76.2~107.95			76.2~107.95
	in	3~6					3~41/4			3~41/4
Size	mm	630×630×740			630×630×780		493×493×696	510×510×720	458×458×700	508×508×700
	in	24.8×24.8×29.1			24.8×24.8×30.7		19.4×19.4×27.4	20×20×28.3	18×18×27.5	20×20×27.5
Weight	Kg	700			730	670	420	460	340	400
	lb	1540			1610	1470	924	1012	750	808

 

Detailed Photos