Roller Kelly Bushings Heavy  Duty Pin Drive & Square Drive 

KELLY BUSHING PIN DRIVE : JOT-KB MODEL : 27 PDHD & 20 PDHD   

 

JOT manufacture Pin Drive Kelly Bushing for onshore & offshore Drilling Operations, available in two sizes JOT-KB Model 27 PDHD, 20 PDHD, suitable for a range of 20½" to 49½" Rotary Table having 23" and 25-3/4" Dia Pin Centre, works as connecting equipment between Rotary Table & Kelly. This unit is used for Heavy Duty Drilling Operation & high torque conditions at the time of Drilling Operations & handle Kelly sizes from 3" to 6" Square or Hexagonal. Suitable up to torque load: 32362 N-m at 300 RPM 

This unit will consist of the following:

  • Kelly Bushings with Roller Assembly
  • Wrench
  • Wiper Assembly
  •  Wear gauge

KELLY BUSHING SQUARE DRIVE 

JOT-KB MODEL SDHD : 

JOT manufactures Square Drive Kelly Bushing for onshore & offshore Drilling Operations available in two sizes JOTKB Model 27 SDHD, 20 SDHD, suitable for a range of 20½" to 49½" Rotary Table, works as connecting equipment between Rotary Table & Kelly This unit is used for Heavy Duty Drilling Operation & high torque conditions at the time of Drilling Operations & handle Kelly sizes from 3" to 6" Square or Hexagonal. Suitable up to torque load: 32362 N-m at 300 RPM. 

This unit will consist of the following:

  • Kelly Bushings with Roller Assembly
  • Wrench
  • Wiper Assembly
  •  Wear gauge

NOTE : Roller Assembly is common for 27" PDHD, 20 PDHD and SDHD. (All the parts are interchangeable with Varco 27HDP, 20HDP or HDS Model for Kelly Bushing) 

OPTIONAL PIN LOCK ASSEMBLY :   

The Optional Drive Pin Lock Assembly locks the Kelly Bushing in the Master Bushing for use in offshore drilling while using motion  compensators. Lock assemblies are available for the 27 PDHD series bushing. To order with an assembly, add "L" to the part Number of the unit. 

 

 FOR LOCK TYPE KELLY BUSHING

  27 PDHP
JOTI PART No.		 Identical Varco Part No.
Lock Assembly 25721 3695
Drive Pin 25721-A 3697
Locking Pin 25721-B 3698
Eccentric Pin 25721-C 3696
Drive Pin Washer 25721-D 1506

 

KELLY BUSHING 27, 20 PDHD & 27 SDHD COMPLETE SET LIST :

Kelly
Size/type		 Heavy Duty Roller Kelly Bushings Roller Assembly Complete* Part No.
27 PDHD Complete Kelly Bushing 20 PDHD
Complete Kelly
Bushing		 SDHD Complete Kelly Bushing
JOT PART No. Identical VARCO PART No. JOT PART No. Indentical VARCO PART No.
3" Hex 25701-P 3650-30 25001-P 25701-S 25101 3667
3 1/2"; Hex 25702-P 3650-35 25002-P 25702-S 25102 3668
4 1.2" Hex 25703-P 3650-42 25003-P 25703-S 25103 3669
5 1/2" Hex 25704-P 3650-52 25004-P 25704-S 25104 3672
6" Hex 25705-P 3650-60 25005-P 25705-S 25105 3673
2½"" Hex 25722-P - - - - -
3" Sq. 25706-P 3651-30 25006-P 25706-S 25106 3660
3 1/2" Hex 25721-P 3651-35 25011-P 25711-S 25110 3661
4 1/2" Sq. 25707-P 3651-42 25007-P 25707-S 25107 3662
5 1/2" Sq. 25708-P 3651-52 25008-P 25708-S 25108 3665
6" Sq. 25709-P 3651-60 25009-P 25709-S 25109 3666
*Roller Assembly consists of Flat/V-roller (One.), Roller Pin (One) Bearing (One), Thrust Washer (Two)

 

KELLY BUSHING SPARE PART LIST No. :  

Item No. Description 27 PDHD 20 PDHD SDHD
JOT PART No. Identical
VARCO PART No.
1. Kelly Bushing Body assembly less roller assembly 25710-P 3653 25010-P 25710-S
2. Hold down bolt 25711 13501 25711 25711
3. Hold down bolt lock screw 25711-A 50110-8-S    
4. Nut for hold down bolt 25712 1208 25712 25712
5. Lock washer for nut 25713 51110-C 25713 25713
6. Drive pin with washer 25714 1605 25714-S --
7. Wrench 25715 1210 25715 25715
8. Wiper assembly 25716 -- 25716 25716
9. Wiper Retainer Plate 25716-B 1321    
10. Wiper Retainer Plate Screw 25716-C 50008-10-S    
11. Roller Pin 25717 3609 25717 25717
12. Roller Bearing 25718 1312 25718 25718
13. Sleeve Bush 25719 1326 25719 25719
14. Thrust Washer 25720 3618 25720 25720

 

INDIVIDUAL ROLLERS FOR HEX KELLY 

Kelly
size		 Flat Roller V Roller
JOT Part No. Identical Varco No. JOT Part No. Identical Varco No.
2½" 25111 -- 25119 --
3" 25112 1338 25120 1339
3½" 25113 1340 25121 1341
4¼" 25114 1342 25122 1343
4½" 25115 1385 25123 1386
5" 25116 1387 25124 1388
5¼" 25117 1344 25125 1345
6" 25118 1346 25126 1347

 

Square kelly

Kelly
size		 Flat Roller
JOT Part No. Identical Varco No.
2½" 25111-S --
3" 25112-S 1331
3½" 25113-S 1332
4¼" 25114-S 1333
4½" 25115-S --
5" 25116-S --
5¼" 25117-S 1334
6" 25118-S 1335

 

KELLY BUSHING 17 PDMD & 17 SDMD COMPLETE SET LIST : 

Kelly
size / Type		 17 PDMD COMPLETE KELLY BUSHING 17 SDMD COMPLETE KELLY BUSHING 17 JOT 4 KRVS COMPLETE KELLY BUSHING ROLLER ASSEMBLY INDIVISAL ROLLER FOR HEX
"V"
ROLLER		 FLAT ROLLER
2 1/2 " SQ 15701-P 15701-S 15701-KR 15721 15729 15737
3 " SQ 15702-P 15702-S 15702-KR 15722 15730 15738
3 1/2 " SQ 15703-P 15703-S 15703-KR 15723 15731 15739
4 1/4 " SQ 15704-P 15704-S 15704-KR 15724 15732 15740
5 1/4 " SQ 15705-P 15705-S 15705-KR 15725 15733 15741
3 " HEX 15706-P 15706-S 15706-KR 15726 15734 15742
3 1/2" HEX 15707-P 15707-S 15707-KR 15727 15735 15743
3 1/4" HEX 15708-P 15708-S 15708-KR 15728 15736 15744

 

KELLY BUSHING SPARE PARTS LIST : 

ITEM No. Description 17 PDMD 17 SDMD 17 JOT 
4 KRVS
1 Kelly Bushing Body assembly less Roller assembly 15710-P 15710-S 15710-KR
2 Hold Down Bolt 15711 15711 15711
3 Hold Down Bolt Lock screw 15711-A 15711-A 15711-A
4 Nut for hold down bolt 15712 15712 15712
5 Lock washer for nut 15713 15713 15713
6 Drive pin with washer 15714 15714 15714
7 Wrench 15715 15715 15715
8 Wiper assembly 15716 15716 15716
9 Wiper Retainer plate 15716-B 15716-B 15716-B
10 Wiper Retainer plate screw 15716-C 15716-C 15716-C
11 Roller Pin 15717 15717 15717
12 Roller Bearing 15718 15718 15718
13 Sleeve Bush 15719 15719 15719
14 Thrust washer 15720 15720 15720

 

Kelly Wiper Assembly Part list For 27 & 20 Kelly Bushing 

KELLY SIZE FOR SQUARE FOR HEX
  JOT PART
No.		 Identical 
Varco No.		 JOT PART
No.		 Identical 
Varco No.
2 1/2" 25151 -- 25159 --
3" 25152 12100 25160 12107
3 1/2 " 25153 12101 25161 12108
4 1/4" 25154 12102 25162 12109
4 1/2" 25155 -- 25163 --
5" 25156 -- 25164 12110
5 1/4 " 25157 12103 25165 12111
6 " 25158 12104 25166 12112

                Kelly Wiper Assembly Part list For 17MD Kelly Bush

KELLY SIZE FOR HEX KELLY FOR FLATE KELLY
2 1/2" -- 15745-S
3 " 15746-H 15746-S
3 1/2 " 15747-H 15747-S
4 1/4 " 15748-H 15748-S
5 1/4 " -- 15749-S