Kelly Bushings & Parts

* To print tables please download PDF

• Heavy Duty
• Medium Duty
• Parts & Components List

 

Heavy Duty Roller Kelly Bushings

Pin Drive and Square Drive

heavy duty roller kelly bushingsThe Den-Con RH Series Roller Kelly Bushing is designed for heavy duty drilling operations, high torque and high speed drilling conditions.

DEN-CON 27 RPH Kelly Bushing is used with Den-Con Pin Drive Master-Casing Bushings for 23" through 49 1/2" Rotary Tables. The 27 RPH has 3 5/16 " diameter drive pins (API) and 25 3/4" pin centers (API) and will handle Kelly sizes 3" to 6" square and 3" to 6" hex.

DEN-CON 20 RPH Kelly Bushing is used with Den-Con Pin Drive Master Casing Bushings for 20 1/2" to 22 1/2" Rotary Tables. The 20 RPH has 2 1/2" diameter drive pins (API) and 23" pin centers (API).

The 20 RPH uses the same roller assemblies, components and wiper assemblies as the 27 RPH.

DEN-CON RSH Kelly Bushing is a square drive unit used with DEN-CON SSB Master Bushings and all Master Bushings having a drive square dimension of 13 9/16" (API). This bushing uses the same roller assemblies, components and wiper assemblies as the 27 RPH. All RH Series Parts & Components Interchange with Varco HD Series Bushing Parts.

HEAVY DUTY ROLLER KELLY BUSHINGS
27 RPH COMPLETE 20 RPH COMPLETE RSH COMPLETE ROLLER ASSY. COMPLETE ROLLER SET COMPLETE
w/ wrench, less wiper assy. Fits Pin Drive Master Bushing 23” - 49 1/2” w/ wrench, less wiper assy. Fits Pin Drive Master Bushing 20 1/2” - 22 1/2” w/ wrench, less wiper assy.
Fits Square Drive Master Bushing
KELLY
SIZE/TYPE		 PART # WT. LBS. PART # WT. LBS. PART # WT. LBS. PART # PART #
3” Hex 2435-30H 1460 2430-30H 1440 2425-30H 1390 2455 2115-16
3 1/2” Hex 2435-35H 1460 2430-35H 1440 2425-35H 1390 2456 2117-18
4 1/4” Hex 2435-42H 1460 2430-42H 1440 2425-42H 1390 2457 2119-20
5 1/4” Hex 2435-52H 1460 2430-52H 1440 2425-52H 1390 2458 2121-22
6” Hex 2435-60H 1460 2430-60H 1440 2425-60H 1390 2459 2123-24
3” Sq. 2435-30S 1500 2430-30S 1470 2425-30S 1420 2450 2110-4
3 1/2” Sq. 2435-35S 1500 2430-35S 1470 2425-35S 1420 2451 2111-4
4 1/4” Sq. 2435-42S 1500 2430-42S 1470 2425-42S 1420 2452 2112-4
5 1/4” Sq. 2435-52S 1500 2430-52S 1470 2425-52S 1420 2453 2113-4
6” Sq. 2435-60S 1500 2430-60S 1470 2425-60S 1420 2454 2114-4

kelly bushing lock assembly

OPTIONAL LOCK ASSEMBLY

The Optional Lock Assembly locks the Kelly Bushing in the Master Bushing for use offshore with motion compensators. Lock assemblies are available for the 27 RPH series bushings. To order with an assembly, add “L” to the part number of the unit.

P/N DESCRIPTION REQ’D
2464 Motion Compensation Lock Assembly 1
2465 Eccentric Pin 2
2466 Drive Pin 2
2467 Lock 2
2468 Retainer Pin 2
 

Medium Duty Roller Kelly Bushing

Pin Drive and Square Drive

medium duty roller kelly bushing pin driveDEN-CON RSM Kelly Bushing is a medium duty square drive bushing used with DEN-CON SSB Master Bushings and all Master Bushings having a drive square dimension of 13 9/16 ” (API). The RSM will handle Kelly sizes from 2 1/2” to 5 1/4” square and 3” to 4 1/4” hex.
DEN-CON RPM Kelly Bushing is a medium duty pin drive bushing to fit 17 1/2” Master Bushings. RPM is made to order.

MEDIUM DUTY ROLLER KELLY BUSHINGS
RPM COMPLETE RSM COMPLETE ROLLER ASSY.
COMPLETE		 ROLLER SET
COMPLETE
w/ wrench, less wiper. Fits 17 1/2” Pin Drive Master Bushing w/ wrench, less wiper assy.
Fits Square Drive Master Bushing
KELLY SIZE/TYPE PART # PART # WT. LBS. PART # PART #
2 1/2” Sq. 2410-25S 2400-25S 870 2131 2140-4
3” Sq. 2410-30S 2400-30S 870 2132 2141-4
3 1/2” Sq. 2410-35S 2400-35S 870 2133 2142-4
4 1/4” Sq. 2410-42S 2400-42S 870 2134 2143-4
5 1/4” Sq. 2410-52S 2400-52S 870 2135 2144-4
3” Hex 2410-30H 2400-30H 860 2136 2145-46
3 1/2” Hex 2410-35H 2400-35H 860 2137 2147-48
4 1/4” Hex 2410-42H 2400-42H 860 2138 2149-50

Den-Con Bushing Features

All DEN-CON Kelly Bushings incorporate the following design features:

  • Self-locking straight roller pins - prevents pin rotation and movement.
  • Heavy duty graphite fiber bearing - prevents rusting, corrosion and galling of bearing structure.
  • Stabbing skirt - allows fast and easy stabbing into master bushing assembly.
  • Fast installation on Kelly - no shims required.
  • Longer roller life - Roller assemblies may be turned 180° to double wear life to the assembly.
  • Low maintenance - all parts field replaceable.
  • Meets all API dimensions and specifications.
  • Sealed Bearing Assembly - provided on RH Series.
  • Optional Heavy Duty Roller bearings are available.

Den-Con manufactures replacement parts for Varco 4KRP, 4KRS and 4KRBM bushings which have been discontinued. Parts are also available for Varco MD Series bushings.

Kelly Bushing Parts List & Components

HD Body - Typical
RSM Body
RPM/RSM Roller Assembly

KELLY BUSHINGS PARTS LIST
ITEM
#		 # REQ’D DESCRIPTION 27 RPH SERIES 20 RPH SERIES RSH SERIES RSM SERIES RPM SERIES
1 1 Body Assy. less Roller Assy. 2435 2430 2425 2400 2410
2 4 Hold Down Bolt 2428 2428 2428 2403 2403
3 4 Lock Washer, Hi-Collar 51110 51110 51110 — —
4 4 Lock Washer 50924 50924 50924 50924 50924
5 4 Soc. Hd. Cap Screw 50110-8 50110-8 50110-8 — —
6 4 Nut 1208 1208 1208 1208 1208
7 4 Drive Pin 2351 2352 — — —
8 4 Drive Pin Washer 2353 2353 — — —
OPTIONAL EQUIPMENT
9 1 Wiper Rubber A/R A/R A/R A/R A/R
10 1 Wiper Retainer Plate 2429 2429 2429 2404 —
11 8 Wiper Retainer Bolts 50008-10S 50008-10S 50008-10S 50008-10S 50008-10S
12 1 Hammer Wrench 2443 2443 2443 2443 2443
HD ROLLER COMPONENTS
ITEM
#		 # REQ’D DESCRIPTION ROLLER ASSY. & KELLY SIZE
    3 Sq.
2450 		3 1/2" Sq.
2451		 4 1/4" Sq.
2452		 5 1/4" Sq.
2453		     6” Sq.
2454 		    3” Hex
2455 		3 1/2" Hex
2456		 4 1/4" Hex
2457		 5 1/4" Hex
2458		     6” Hex
2459
1 2125 Roller Pin 4 4 4 4 4 4 4 4 4 4
2 2193 Sleeve Bearing 4 4 4 4 4 4 4 4 4 4
3 2126A Thrust Washer
w/ O-Rings		 8 8 8 8 8 8 8 8 8 8
2126 Thrust Washer
less O-Rings		 8 8 8 8 8 8 8 8 8 8
4 3613 Lock Pin 8 8 8 8 8 8 8 8 8 8
5 233B Inner O-Ring 8 8 8 8 8 8 8 8 8 8
6 358B Outer O-Ring 8 8 8 8 8 8 8 8 8 8
7 2110 Roller 4
2111 Roller 4
2112 Roller 4
2113 Roller 4
2114 Roller 4
2115 Roller 2
2116 Roller 2
2117 Roller 2
2118 Roller 2
2119 Roller 2
2120 Roller 2
2121 Roller 2
2122 Roller 2
2123 Roller 2
2124 Roller 2
OPTIONAL
2199 Wiper Rubber -9 -10 -11 -12 -13 -14 -15 -16 -18 -19
2127 Roller Bearing ALL

RPM/RSM MEDIUM DUTY BUSHING ROLLER COMPONENTS
ITEM
#		 # REQ’D DESCRIPTION ROLLER ASSY. & KELLY SIZE
2 1/2" Sq.
2131		 3" Sq.
2132		 3 1/2" Sq.
2133		 4 1/4" Sq.
2134		 5 1/4" Sq.
2135		 3” Hex
2136		 3 1/2" Hex
2137		 4 1/4" Hex
2138
1 2156 Roller Pin 4 4 4 4 4 4 4 4
2 2194 Sleeve Bearing 4 4 4 4 4 4 4 4
3 2158 Thrust Washer 8 8 8 8 8 8 8 8
4 2140 Roller 4
2141 Roller 4
2142 Roller 4
2143 Roller 4
2144 Roller 4
2145 Roller 2
2146 Roller 2
2147 Roller 2
2148 Roller 2
2149 Roller 2
2150 Roller 2
OPTIONAL
2199 Wiper Rubber -1 -2 -3 -4 -5 -6 -7 -8
2157 Roller Bearing ALL