Double Row Taper Roller Bearing

Applications

  • Automotive – Truck and trailer wheel hubs, gearboxes, and differentials

  • Heavy Machinery – Construction and mining equipment

  • Steel & Metal Industry – Rolling mills and industrial gearboxes

  • Railway – Locomotive and wagon axle systems

  • Wind Turbines – Main shaft and gearbox applications

Key Benefits

  • High Load Capacity – Supports both radial and bidirectional axial loads

  • Superior Durability – Advanced materials and heat treatment enhance service life

  • Enhanced Rigidity – Ensures precise shaft alignment under extreme conditions

  • Increased Efficiency – Optimized design reduces friction and improves performance

  • Reliable Performance – Withstands heavy loads, shock, and vibration for demanding applications

Double Row Taper Roller Bearing

A double row taper roller bearing is a type of rolling-element bearing that is designed to support both radial and axial loads. It consists of two rows of tapered roller elements arranged in a specific way to provide high radial and axial load-carrying capacity. This type of bearing is commonly used in heavy-duty applications where high radial and axial forces are present.

double row tapered roller beairng
double row tapered roller beairng

One of the key advantages of a double row taper roller bearing is its ability to accommodate misalignment between the shaft and housing, which helps to reduce friction and wear. This makes it ideal for applications where shaft deflection or misalignment is common. The tapered design of the rollers also helps to distribute loads evenly, leading to improved performance and longevity.

 

DesignationSKF Designationd (mm)D (mm)T (mm)C (mm)d1 (mm)D1 (mm)Weihgt (kg)
613328A (M231649-610D)613328A152,400222,250100,01076,20018621012
BT2B332758/HA4BT2B332758/HA4152,40027015012021325432.5
331792 (46790-720D)331792165,100225,42585,72569,85019721610
BT2B328697/HA2 (96649-114CD)BT2B328697/HA2288,925142,875111,12523227038
BT2B332585/HA2 (M238840-810D)BT2B332585/HA2177,800269,875119,06293,66222825623
BT2B328698/HA2 (M238849-810D)BT2B328698187,325269,875119,06293,66222825621
BT2B332459 (93787-127D)BT2B332459200,025317,500146,050111,12526229841.5
331785 (NA132083-126D)331785203,200317,500120,65088,90025629334
BT2B328270/HA4 (H242649-610D)BT2B328270/HA4206,375336,550211,138169,86226931870
331783A (EE170950-451D)331783A241,300368,300120,65085,72529833639.5
BT2B332443 (HH249949-910D)BT2B332443247,650406,400247,650203,200323383120
BT2B328615BT2B328615254422,275173,038128,66033140087.5
BT2B331782 (HM252343-310D)BT2B331782422,275178,592139,70033140097.5
331781 (HH953749-710D)331781533,400276,225165,100395495260
BT2B328187/HA2 (HM252349-310D)BT2B328187/HA2260,350422,2751,785,892139,70033140086.5
331717A331717A280470250180368448155
BT2B332449 (LM654648-610D)BT2B332449285,750380,898139,700107,95033536642
BT2B332503/HA2 (HM256849-810CD)BT2B332503/HA2288,925406,400165,100130,17534238863
BT2B332503/HA2 (M25549-410CD)BT2B332504/HA2300,038422,275174,625136,52535740371.5
BT2B332845/HA2 (EE526132/191D)BT2B332845/HA2330,200482,600177,800127,000401454100
331775B (HM261049-010DC)331775B333,375469,900190,500152,40039845298
BT2B332830BT2B33283034046016012839444271
BT2B332802A (EE971354-103D)BT2B332802A342,900533,400174,625123,825422496130
BT2B332505/HA2 (L163149-110CD)BT2B332505/HA2355,600444,500136,525111,12539842846
BT2B332506/HA2 (EE231400-976D)BT2B332506/HA2501,650155,575107,95043148187
BT2B332603/HA1 (HM265049/010D)BT2B332603/HA1368,249523,875214,312169,862438499140
331606A (EE231462-976CD)331606A371,475501,650155,575107,95043148176.5
BT2B332507/HA2 (EE192150-201CD)BT2B332507/HA2381508139,70088,90044248267
BT2B328389 (EE234160-213CD)BT2B328389406,400539,750142,875101,60047351682.4
331656   (M268749-710CD)331656415,925590,550244,475193,675497563205
BT2B332176A (M270749-710DC)BT2B332176A447,675635257,175206,375534605245
BT2B328930A/HA2 (EE244180-236CD)BT2B328980A/HA2457,200596,900165,100120,650565571110
331657     (M272749-710DC)331657479,425679,450276,225222,250572651302
331776A (EE243192-251D)331776A489,026634,873177,800142,875556610130
BT2B332605A/HA1 (M274149-110CD)BT2B332605A/HA1501,650711,200292,100231,775596678343
BT2B332761 (EE982051-901CD)BT2B332761520,700736,600186,502114,300615691210
BT2B332446 (M276449-410CD)BT2B332446536,575761,873311,150247,650641726430
BT2B332447 (M278749-710CD)BT2B332447571,500812,800333,375263,525680774520
614609    (EE649240-311CD)614609609,600812,800190,500146,050691768250
BT2B332448BT2B332448787,400206,375158,750687755232
331500331500820206,375158,750687755292
BT2B332493/HA4BT2B332493/HA4635990,600339,725212,725810960840
331290331290685,800876,300200,025152,400772842270
BT2B328028/HA1 (EE755280-361D)BT2B328028/HA1711,200914,400190,500139,700798877265
331554A (EE755285-361CD)331554A723,900914,400187,325139,700798877250
BT2B332764 (EE752305-381D)BT2B332764774,700965,200187.325133,350853924265
BT2B332625BT2B332625774,9621016266,700209,550880976525
331291B (EE762320-401D)331291B812,8001016190,500146,050903976350
BT2B328371/HA6 (EE762320-420XD)BT2B328371/HA61,066,800190,500146,050903976445
BT2B332494/HA5BT2B332494/HA5863,660137,600469,900285,750114013092250
331387 (M231649DW-610)331387152,400222,25084,13884,13817019411.5
BT2B332799 (93801D-125)BT2B332799203,200317,500133,350133.3523126640
BT2B332683/HA1 (EE420800DW-450)BT2B332683/HA1368,300158,750152.424230475
BT2B332873/HA4BT2B332873/HA4220340140200241.329350.5
BT2B332492 (8576DW-8500)BT2B332492234,950327,02593,66293,66226329025.5
331223A (M252349DW-310)331223A269,875381,000136,525136,52529533051
BT2B332899/HA1 (LM654644D-610)BT2B332899/HA1279,587380,898117,475117,47530833741.5
BT2B332870/HA4BT2B332870/HA4288,925406,400165,100234,95030836273
331951 (HM256849DW-810)331951300,038422,275150,812150,81232737570
BT2B332685/HA1 (HH258249TD-210)BT2B332685/HA1303,212495,300263,525263,525338417212
BT2B328699G/HA1 (LM528648DW-610)BT2B328699G/HA1317,500422,275128,588128,58834138251.5
332240A (LM761649DW-600)332240A343,052457,098122,238122,23836941054
331729331729360680330300415541540
BT2B328705/HA1BT2B328705/HA1390546,100141,288141,288435491102
BT2B331840C/HA1 (LM767749DW-710)BT2B331840C/HA1406,400546,100138,113138,11343549189
BT2B331840G/HA1 (LM767749DGW-710)BT2B331840G/HA1546,100138,113138,11343549189
331714B (M667947DW-910)331714B409,575546,100161,925161,925439496110
BT2B334013/HA1BT2B334013/HA1430535848446249444.5
BT2B323523/HA1BT2B328523/HA1450595178178488540140
BT2B328361/HA1BT2B328361/HA1464615,950150136498538125
B2TB331848 (EE243193D-250)BT2B331848489,026634,873152,400152,400525581130
BT1B328381/HA1BT2B328381/HA1491635148128523551120
331676A331676A500730280280551846420
BT2B332547/HA1BT2B332547/HA1501,650673,100184,150184,150537612190
331182 (M274149DW-110)331182711,200250,825250,825545631330
BT2B328359/HA1BT2B328359/HA1522690180160557600190
331682 (M276448DW-410)331682536,575761,873269,875269,875585675410
BT2B332626/HA7BT2B332626/HA7560820242242610696425
331677331677580830280280636742515
BT2B331858/HA1 (EE649241D-310)609,600787,400171,450171,450646721218
BT2B332424/HA3BT2B332424/HA3820171,450171,450646721265
BT2B328306/HA4BT2B328306/HA46501030270270747904900
331198331198660,400812,800176,212176,212698756195
331581A33581A710900197197756834325
BT2B334032/HA4BT2B334032/HA4800126037537592111141850
331306 (EE634356DGW-510)331306901,7001295,400450,850438,15098611482000
331350 (LM287849DW-810)331350939,8001,333,500463,550463,550102511822230

Design and Construction

The design of a double row taper roller bearing typically includes inner and outer rings, tapered rollers, a cage to retain the rollers, and inner and outer races. The inner ring is mounted on the shaft while the outer ring is mounted in the housing. The tapered rollers are positioned between the inner and outer rings in a way that allows them to roll smoothly and distribute loads effectively.

These bearings are usually made from high-quality steel to ensure durability and reliability under heavy loads and harsh operating conditions. The precision engineering involved in the manufacturing process ensures that each component fits together perfectly, resulting in a smooth and efficient operation of the bearing. Additionally, various seal and lubrication options are available to protect the bearing from contamination and maintain optimal performance.