Bearings for Oil and Gas Industry

Bearings for Oil and Gas Industry

Petroleum bearings play a vital role in the oil and gas industry. Due to the harsh working environment of this industry, bearings need to withstand harsh environments such as high temperature, high pressure, heavy load, and corrosion, so there is a need to develop bearings with higher performance that are resistant to high temperature, high pressure, heavy load, and long life.


In the oil and gas industry, the main functions of bearings include supporting rotating components such as pump shafts, motor shafts, etc., and power transmission in transmissions. For stable oil and gas equipment operation and prolonged service life, bearings must withstand high loads, impacts, temperatures, and corrosion.

OIL-GAS

Petroleum machinery bearings are mechanical components whose function is to support and drive the rotation of petroleum machinery. These machinery bearings are usually made of durable materials and designed to withstand petroleum machinery's high loads and impacts.


The main features of petroleum machinery bearings include high load-bearing capacity, impact resistance, high-temperature resistance, and corrosion resistance. These characteristics enable petroleum machinery bearings to maintain stability and reliability in harsh working environments, thereby improving petroleum machinery's overall performance and service life.


  • Petroleum machinery commonly uses several types of bearings:

  • Deep groove ball bearings.

  • Cylindrical roller bearings.

  • Spherical roller bearings.

  • Thrust ball bearings.

  • Angular contact bearings.

Each of these bearings has unique features and is suitable for different areas. Therefore, it is important to choose the appropriate type of bearing based on the actual needs of the machinery.


In addition to standard bearings, many customized petroleum machinery bearings are available to meet the needs of specific machinery and equipment. These custom bearings can be optimized in size, load, and speed to improve the performance and efficiency of mechanical equipment.


In short, petroleum machinery bearings are an indispensable part of petroleum machinery, and their quality and performance impact the working performance and service life of the entire machinery. Therefore, selecting and using high-quality petroleum machinery bearings is very important.


  • Bearing for Rotary tables

  • Rotary tables are commonly used to turn the drill string during drilling operations. They also act as support devices when drilling is interrupted, carrying the full weight of the drill string. As a result, the bearing positions are subjected to high radial and axial loads. Therefore, the thrust angular contact ball bearing with high axial load capacity is the best choice for the Rotary tables. Below is a list of the models of bearings that can be used:

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

  • Bearing for Top drive/Swivel

  • The Top Drive/Swivel serves two main purposes during drilling operations. Firstly, it supports the weight of the drill string, and secondly, it acts as a rotating passageway which allows drilling mud to flow into the drill string. Additionally, the top drive provides the necessary torsional force to turn the drill string. Given the high-reliability requirements and the shock loads generated during drilling, the top drive must resist such loads.

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

  • Bearing for Mud Pump

  • The mud pump provides the drilling rig with a continuous supply of high-pressure mud, also known as drilling fluid. These mud pumps use positive displacement pumps to generate extremely high operating pressures. Due to this, bearings such as crosshead bearings, eccentric bearings, crankshaft main bearings, and drive shaft bearings are prone to high radial loads. Luoyang FV offers complete sets of mud pump bearings designed and supplied to meet the demands of the drilling process. These bearing arrangements are ideal for high-capacity systems that can accommodate 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

  • Bearing for Sheaves 

  • Sheaves are used in the crown and traveling blocks, as well as heave compensation systems. Reliability is crucial under high static and dynamic loads to ensure maximum uptime in extreme 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
  • Bearing for Mud Motor

  • Bearings used in mud motor applications are subjected to some of the most challenging operating conditions in the oil drilling industry. These bearings are situated at the bottom of the drill string and are exposed to extreme temperatures, heavy loads, shock forces, and direct contact with contaminated drilling fluids. Special steel must be utilized for these bearings to guarantee optimal performance in various drilling environments.


  • Bearing for Drawworks

  • The draw works play a crucial role in drilling operations by lifting or lowering the drill string and maintaining the right amount of pressure on the drill bit. In addition, modern draw works and winches are equipped with Active Heave Compensation (AHC) technology that can compensate for the wave motions on floating rigs. However, this technology requires an extremely rigid system to handle rapid load cycles. Luoyang FV offers a range of reliable bearings, including Spherical roller bearings that are ideal for use as the main bearings on hoisting drums due to their high load capacity.

  • We FV bearing can assist you in selecting suitable bearings while providing cost-effective solutions tailored to your specific requirements. Please feel free to contact us if you have any needs!


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