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Roller Bushings

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商品说明

1）ROLLER KELLY BUSHING

2）Heavy Duty Pin Drive Kelly Bushings (HDP)

(Heavy duty Pin Drive Kelly Bushings) set the industry standard for Kelly bushings for 20 1/2, 27 1/2, and 37 1/2, 49 1/2 inch Rotary Table. For master bushing with 25 3/4" pin circle 27 HP of 23" pin circle, 20 HDP. Unit comes with wrench, wiper and wear gauge. Weight 1500 lbs.

3）Medium Duty Pin Drive Kelly Bushings (MDP)(Medium Duty pin drive) Series for use in medium size and smaller rigs with 17 1/2 and 20 1/2 inch Rotary tables. All the advantagesof the HDP is for medium or samller rigs with 17 1/2 or 20 1/2 Rotary tables. Unit comes with wrench, wiper and wear gauge. weight 750 lbs.

4）4KRVS4KRVS is a Square Drive Roller Kelly Bushing designed for shallow to medium depth applications and will accommodate 2 1/2 to 5 1/4 inch square or 3 to 4 1/4 inch Hexagonal Kelly.

5）Heavy Duty Square Drive Kelly Bushings (HDS)

(Heavy Duty Square Drive) Roller Kelly Bushing is a heavy duty bushing designed for rugged, high torque applications. The HDS provides the same quality features as the HDP and uses the same rollers, roller assemblies and wiper assemblies. components are interchangeable with HDP. Unit comes with wrench, wiper and wear gauge. weight 1420 lbs.

6）Medium Duty Square Drive Kelly Bushings(MDS)

(Medium Duty Square Drive) is designed for medium duty drilling in 17 1/2 to 27 1/2 inch rotary tables with square drive master bushings. Fits and standard 17 1/2 to 27 1/2 inch split master bushing and Varco MSS.Components parts are interchangeable with MDP. Unit comes with wrench, wiper and wear gauge. weight 800 lbs.

7）4KRBM

4KRBM is a Square drive Roller Kelly bushing designed for shallow, slim hole drilling and workover rig applications, and will accommodate 2 1/2 to 4 1/4 inch square or 3 to 4 1/4 inch hexagonal Kelly.

商品参数

Roller Kelly Bushing Technical Specifications

Model	Type	Drive style	Master Bushing	Square Kelly size	Hex Kelly size
27 HDS	Heavy	Square	23-49 1/2 Inch	3-6	3-6
27 HDP		Pin	23-49 1/2 Inch	3-6	3-6
20 HDP		Pin	20 1/2-22 1/2 inch	3-6	3-6
RTM4	Medium	Square		2 1/2-5 1/4	3-4 1/4
20 MDP		Pin	20 1/2 MSPC and MDSP	2 1/2-4 1/4	3-4 1/4
17 MDP		Pin	17 1/2 MSPC and MDSP	2 1/2-4 1/4	3-4 1/4
MDS		Square	17 1/2-27 1/2 inch	2 1/2-4 1/4	3-4 1/4
4 KRVS		Square		2 1/2-5 1/4	3- 4 1/4
RTS4	Light	Square		2 1/2-4 1/4	3-4 1/4
4 KRBM		Square		2 1/2- 4 1/4	3-4 1/4

Pin Drive Roller Kelly Bushings Technical Specifications

Size /Type　(inches)	27HDP complete w/wrench, and wiper assy. Fits pin drive Master bushing 23 to 49 inch				20 HDP Complete w/ wrench, and wiper assy. Fits Pin Drive Master Bushing 20 1/2 to 22 1/2 inch		20 MDP complete w/Wrench, and wiper assy. Fits 20 1/2 MSPC and MDSP		17 MDP complete w/Wrench, and wiper assy. Fits 17 1/2 MSPC and 17 1/2 MDSP
	w/o Motion compensator lock		w/Motion compensator Lock
	P/N	WT.lb	P/N	lb	P/N	lb	P/N	lb	P/N	lb
3 Hex	3650-30	1458	3650L-30	478	3690-30	1435	7487-H30	716	70477-H30	656
3 1/2 Hex	3650-35	1458	3650L-35	1478	3690-35	1435	70487-H35	700	70477-H35	640
4 1/4 Hex	3650-42	1458	3650L-42	1478	3690-42	1435	70487-H42	680	70477-H42	620
5 Hex	3650-50	1458	3650L-50	1478	3690-50	1435	-	-	-	-
5 1/4 Hex	3650-52	1458	3650L-52	1478	3690-52	1435	-	-	-	-
6 Hex	3650-60	1458	3650L-60	1478	3690-60	1435	-	-	-	-
2 1/2 Sq	--	-	-	--	-	-	70487-S25	746	70477-S25	666
3 Sq	3651-30	1500	3651L-30	1510	3691-30	1470	70487-S30	730	70477-S30	670
3 1/2 Sq	3651-35	1500	3651L-35	1510	3691-35	1470	70487-S35	714	70477-S35	645
4 1/4 Sq	3651-42	1500	3651L-42	1510	3691-42	1470	70487-S42	686	70477-S42	626
5 1/4 Sq	3651-52	1500	3651L-52	1510	3691-52	1470	-	-	-	-
6 Sq	3651-60	1500	3651L-60	1510	3691-60	1470	-	-	-	-

Kelly Size /Type (inches)	HDS Complete w/wrench, and wiper assy		MDS Complete w/wrench and wiper assy		4KRVS Complete w/wrench and wiper assy		4KRBM complete w/wrench and wiper assy
Kelly Size /Type (inches)	P/N	lb	P/N	lb	P/N	lb	P/N	lb
3 Hex	3635-30	1420	70484-H30	777	1402-30	859	5208-30	452
3 1/2 Hex	3635-35	1420	70484-H35	761	1402-35	859	5208-35	452
4 1/4 Hex	3635-42	1420	70484-H42	741	1402-42	859	5208-42	452
5 Hex	3635-50	1420	-	-	-	-	-	-
5 1/4 Hex	3635-52	1420	-	-	-	-	-	-
6 Hex	3635-60	1420	-	-	-	-	-	-
2 1/2 Sq	-	-	70484-S25	807	1401-25	869	5209-25	452
3 Sq	3636-30	1420	70484-S30	791	1401-30	869	5209-30	451
3 1/2 Sq	3636-35	1420	70484-S35	775	1401-35	869	5209-35	451
4 1/4 Sq	3636-42	1420	704840S42	747	1401-42	869	5209-42	451
5 1/4 Sq	3636-52	1420	-	-	1401-52	869	-	-
6 Sq	3636-60	1420	-	-	-	-	-	-

Kelly Wipers Technical Specifications

Kelly Size (Inches)	4KRVS, 4KRBM, MD				HDP, HDS, 4KRP, 4KRS
	Sq		Hex		Sq		Hex
	P/N	lb	P/N	lb	P/N	lb	P/N	lb
2 1/2 API	12117	3	-	-	-	-	-	-
3 API	12118	3	12125	3	12100	4	12107	4
3 1/2 API	12119	2 3/4	12126	2 3/4	12101	4	12108	4
4 1/4 API	12120	2 1/2	12127	2 1/2	12102	4	12109	3 1/2
5 Special	-	-	-	-	-	-	12110	3
5 1/4 API	12121	2 1/2	-	-	12103	3	12111	3
6 API	-	-	-	-	12104	3	12112	3

Roller Assy Complete Technical Specifications

Kelly Size /Type (inches)	HDP & HDS		4KRVS		4KRBM		MDP & MDS
Kelly Size /Type (inches)	P/N	lb	P/N	lb	P/N	lb	P/N	lb
2 1/2 Sq	-	-	1445	246	2949	117	70474-4	192
3 Sq	3660	590	1446	228	2943	103	70474-5	176
3 1/2 Sq	3661	562	1447	204	2944	89	40747-6	160
4 1/4 Sq	3662	512	1448	176	2945	69	70747-6	132
5 1/4 Sq	3665	438	-	-	-	-	-	-
6 Sq	3666	374	-	-	-	-	-	-
3 Hex	3667	612	1450	236	5210	103	70747-1	162
3 1/2 Hex	3668	584	1451	216	5211	95	70747-2	146
4 1/4 Hex	3669	532	1452	191	2948	77	70747-3	126
5 Sp Hex	3671	486	-	-	-	-	-	-
5 1/4 Hex	3672	476	-	-	-	-	-	-
6 Hex	3673	414	-	-	-	-	-	-

Roller Assy for 4KRS, 20-4KRP and 27-4KRP Technical Specifications

Kelly Size (inches)	For Square Kelly		For Hex kelly
Kelly Size (inches)	P/N	lb	P/N	lb
3 API	1349	560	1354	578
3 1/2 API	1350	536	1355	555
4 1/4 API	1351	482	1356	502
5 Special Hex	-	-	1359	458
5 1/4 API	1352	408	1357	448
6 API	1353	344	1358	384

Notes: Rollers, Bearings and wipers for Varco HDP, HDS, 4KRS and 4KRP kelly Drive Bushings are

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