Roller Bushings

ROLLER KELLY BUSHING

ROLLER KELLY BUSHING

ROLLER KELLY BUSHING

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

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 HDP of 23" pin circle, 20 HDP. Unit comes with wrench, wiper and wear gauge. Weight 1500 lbs.

Heavy Duty Pin Drive Kelly Bushings (27-HDP, 20-HDP)

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 advantages of 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.

4KRVS

4KRVS Square Drive Roller Kelly Bushing4KRVS 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.

Heavy Duty Square Drive Kelly Bushings (HDS)

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.

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.

4KRBM

4KRBM Square drive Roller Kelly bushing4KRBM 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.

 

 

 

Pin Drive Roller Kelly Bushings

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 
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

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

Kelly Size /Type (inches) HDP & HDS  4KRVS 4KRBM MDP & MDS 
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
Kelly Size (inches)  For Square Kelly  For Hex kelly 
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 interchangeable