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Bearings for Oil and Gas Drilling Equipment

Bearings for Oil and Gas Drilling Equipment

Although new clean energy and renewable energy account for an increasing proportion of the energy structure, traditional oil and gas still occupy an irreplaceable share. In order to find and exploit oil and gas reserves and meet the needs of miners, there are more and more types of oil drilling equipment and the equipment more and more convenient. Because the location of oil and natural gas is different, the geological conditions are poor, the mining is difficult, and the oil drilling equipment often runs under heavy load, which requires the bearings to be durable and have a long life.

Luoyang FV can supply bearings for different equipment, including: Rotary Table, top drive, mud pumps, swivels, mud motor, Drawworks, gear boxes, generators and power-generation equipment, cranes, shaker screens, and other drilling equipment. Due to the harsh working environment, the above equipment must operate on the ground and underground, the maintenance of the equipment is difficult, and the pressure on the equipment is high, which requires very reliable and solid bearings to be matched.


Luoyang FV has done a lot of research on oil drilling equipment and matched bearings in recent years, and has accumulated rich experience. It has continuously improved the design and production process of bearings, which greatly improves the life of bearings and reduces downtime. We can not only produce standard type bearings matched with equipment, but also design and manufacture customized bearings according to customer's working conditions, and can also repair these bearings to reduce the cost of users. The following lists some matched bearings and corresponding equipment that Luoyang FV can produce.


1, Bearing for Rotary tables

Rotary tables are the traditional solution to provide rotational force to turn the drill string. When drilling is interrupted, the Rotary tables can also act as a support device, carrying the full weight of the drill string. The bearing positions are therefore subjected to high radial and axial loads. Due to the above requirements, the thrust angular contact ball bearing with high axial load capacity is the first choice for the main bearing of the Rotary tables. The following bearings are the model list:

angular contact thrust ball bearing

Principal DimensionsBasic Load RatingsLimiting SpeedsWeightBearing Number
mmKNr/minkgnewold
420430500490482601440830110015.95691849168184

462580538733302010700980515672847168284
44045854052260380198066095025.55691889168188
50053060057060322195666095025.35691/50091681/500
52055462058660409224740057026.95613/5201689/520
53059071065060738416235050090.35692/53091682/530
5606207406801098053432400570775617/5601687/560
60063567571089504301051071037.65691/60091681/600
610700790735678403648380540865617/6101687/610
620665780735102776358834049095.25617/6201687/620

6808007401099024720260370103.15692/62091682/620
650690880840140110072802603702005617/6501687/650
670740900830140126060852503602065692/67091682/670
75078090087090587462034048094.45691/75091681/750
8008509509001208666414200240133.65611/8001681/800

890106097015511349394180250301.95692/80091682/800
810880103096011078040802804001765617/8101687/810
950104012501160180150091681201704325691/95091682/950
1000104011801140109107665162503601775691/100091681/1000
1120117013201270122102010271802602415691/112091681/1120
16001600176017609068580552103002485617/16001687/1600
1960190021002060140127519370931305775617/18601687/1860
2100212022602260150120019300781115635617/21001687/2100
250025202700268016015842664057817325617/250011689/2500
3000300032703270140146426240527512625617/3000YA1687/3000



2, Bearing for Topdrive/Swivel

The Topdrive/Swivel supports the weight of the drill string, while simultaneously acting as a rotating passageway to permit drilling mud to flow into the drill string. The top drive, additionally, provides the torsional force needed to turn the drill string. This application requires high reliability and resistance shock loads generated during the drilling.

Support EquipmentBearing TypeBoundary DimensionBasic load Rating(KN)Limiting Speed(r/min)Mass(KG)
(mm)DynamicStaticGreaseOil
Swivel99440Q4200*400*1222420910020030082.6
99456Q4280*520*145363014000140190150
91754Q4270*550*130910020400140190164


3, Bearing for Mud Pump

The mud pump supplies the drilling rig with a constant flow of high-pressure mud (drilling fluid). The operating pressures of these positive displacement pumps are very high, so the bearings (including crosshead bearings, eccentric bearings, crankshaft main bearings and drive shaft bearings) are subject to high radial loads. Luoyang FV designs and supplies complete mud pump bearing sets. These bearing arrangements provide a high-capacity system ideal for increasing demands as drilling depth increases.


Support EquipmentBearing TypeBoundary DimensionBasic load Rating(KN)Limiting Speed(r/min)Mass(KG)
(mm)DynamicStaticGreaseOil
3NB350 Mud(Slush) Triplex Pump22218CA/W3390*160*40253334260034003.54
23218CA/W3390*160*52.4328467190026004.55
23144CA/W33220*370*12015402710900120053.3
NU2228EM/Y45140*250*685307552000260015.2
NFP38/600X2Q4600*730*901810472037046083.2
3NB500 Mud(Slush) Triplex PumpNU3036X2M/C9180*280*82.673412202200260020
NNAL635Q4/C9W33X175*245*16087625402000260024.9
24056CA/W33280*420*1401870387067085069.2
NFP38/600X2Q4600*730*901810472037046083.2
3NB800 Mud(Slush) Triplex PumpNNAL635Q4/C9W33X175*245*16087625402000260024.9
352960X2300*420*1751690405046058075.3
NFP38/600X2Q4600*730*901810472037046083.2
23136180*300*9695016901100150028.6
3NB1000 Mud(Slush) Triplex PumpMU3040X3M200*320*88.991915001400170029.3
MNAL6034X2M/C4W33X170*260*192143030202000260036.6
24064CA/W33YA2320*480*16025205360630800103
NFP38/630Q4630*780*11225206690360450126
3NB1300 Mud(Slush) Triplex PumpNU3044X3M220*350*98.4110018301300160038.4
NNAL6036X2-2M/W33X180*280*219134032802000260049.6
24072CA/W33360*540*1803000628050063046
NFP38/666.75X3Q4666.75*838.2*114.327606990310390154
3NB1600 Mud(Slush) Triplex PumpNU2148X3M240*390*108140022001200150053.4
NNAL6/209.55/W33X209.55*282.575*236.525156049101500260043.2
23176CAQ4/C9W33380*620*19439707670400500229
NFP6/723.795Q4723.795*908.05*120.6533608090220300193
F500             Mud  PumpNNAL6/101.6Q4/W33XYA2101.6*171.45*133.3553814003000360013.5
23138CA/C9W33190*320*104122020601000140034.4
NU3228X2M/C9140*250*82.5570011001900290018.7
NUP464779Q4/C9YA4419.1*558.8*76.2143027401100120055.8
F800             Mud  PumpNUP464779Q4/C9YA4508*622.3*95.251700440040050065.1
NNAL6/177.8-1Q4/W33XYA2177.8*244.475*162.92580824001900310023.6
23148/C9W33280*420*14017403130850110069.2
NU3040X3M200*320*88.973412202200260029.3
F1000             Mud  PumpNUP464774Q4/C9558.8*685.8*1002049520940050083.4
NNAL6/177.8-2Q4/C9W33XYA2177.8*257.175*196.85123030301800300034.2
24056CA/W33280*420*1401870387067085069.2
NU3040X3M200*320*88.991915001400170029.3
F1300             Mud  PumpNUP464779Q4/C9YA4660.4*812.8*107.9523406200320410139
NNAL6/206.375Q4/W33XYA2206.375*285.72*222.25132042301500260044.9
24060CA/C9W33300*460*1602380478060075097.6
NU3044X3M220*350*98.4110018301300160038.4
F1600             Mud  PumpNUP464777Q4/C9YA4660.4*863.8*107.9528206380300410178
NNAL6/206.375Q4/W33XYA2206.375*285.72*222.25132042301400240044.9
23160/C9W33300*500*16027204940670850127
NU3044X3M220*350*98.4110018301300160038.4
F2200             Mud  PumpNU3152/C4260*440*144230038001800220089
23172CA/C3W33360*600*19237406850510650224
NUP19/800X2/C9800*1060*12537508650260300321
NA6/228.6228.6*317.5*241.3183051802000250059.1
12-P-160             Mud  PumpM268730/M268710D/C9381*590.55*244.47545006600450550247
24052CA C3 W33260*400*1401780191070090066.7
NFP6/723.8Q1/C9723.8*908.05*120.6533508300220300197
NNU6/209X4M/C9209.55*282.575*236.525140047751400230043.5
14-P-220             Mud  PumpM270730/M270710CD409.575*635*257.175465010300310420300
23156/C3W33280*460*1462335420075095099
NUP6/812X4812.8*1016*139.7415010500400470277
NA6/228.6228.6*317.5*241.3183051802000250059.1


4, Bearing for Sheaves 

Sheaves are used in crown and traveling blocks as well as in heave compensation systems. Reliability under high static and dynamic loads is required to ensure maximum uptime under the extreme range of drilling conditions. 


Support EquipmentBearing TypeBoundary DimensionBasic load Rating(KN)Limiting Speed(r/min)Mass(KG)
(mm)DynamicStaticGreaseOil
Crown BlockLM241149NW-LM241110D2203.2*276.225*95.2518843870090014.8
LM249747NW-LM249710D2254*347.662*101.6812165057070023.9
L357049NW-L357010CD2304.8*393.7*107.65906232058068030.1
352948X2/YA240*320*110696162060075021.6
352952X2/YA260*360*1341040250053067038.9


5, Bearing for Mud motor

Mud motor applications are probably the most demanding in the oil drilling field. At the end of the drill string, mud motor bearings experience high temperatures, high loads, shock conditions and direct contact with contaminated drilling fluids. Bearings made of special steel are therefore required to maximize operation in a variety of drilling conditions.


6, Bearing for Drawworks

The primary function of the drawworks is to raise or lower the drill string and provide proper weight on bit. Modern drawworks and winches also can operate Active Heave Compensation (AHC), designed to compensate for the wave motions on floating rigs. The resulting rapid load cycles require an extremely rigid system. Luoyang FV can manufacture a series of bearing such as Spherical roller bearings for the main bearing on hoisting drum. These bearings can provide high load capacity which to ensure reliable operation.


We FV engineers can help you to choose the suitable bearing and provide cost-effective solutions according to your specific requirements, welcome to contact us when you have any requirement!


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