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Kelly Bushings & Parts
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Rotary Adapter Rings
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200 Ton 4 Taper HCS & Bushings
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Casing Bushings
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Safety Clamps
Elevator Bore Codes
Part No. Equals & Interchange
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Wear Guide
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
The 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 |
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
DEN-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
| 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 | ||||||||