Inch Size Four Row Taper Roller Bearing

Applications

  • Steel & Metal Industry – Rolling mills, continuous casting machines

  • Heavy Machinery – Mining, construction, and material handling equipment

  • Railway Industry – Locomotive and freight car axle systems

  • Industrial Gearboxes – High-load power transmission systems

  • Paper Mills – Press and drying cylinders

Key Benefits

  • Exceptional Load Capacity – Supports extremely high radial loads with axial load capability

  • Superior Rigidity & Stability – Ensures precise shaft alignment and reduces deflection

  • Enhanced Durability – High-quality materials and heat treatments extend service life

  • Optimized Performance – Reduces friction, heat generation, and energy loss for efficiency

  • Reliable Under Harsh Conditions – Withstands impact, shock loads, and vibrations in demanding environments

  • Ease of Maintenance – Designed for simplified installation and servicing, minimizing downtime

An inch size four row taper roller bearing is a type of bearing that features four rows of tapered rollers arranged in a specific configuration to support radial and axial loads. This design allows the bearing to handle heavy radial and thrust loads while maintaining high precision and durability.

four row taper roller bearings-EGI Bearings
four row taper roller bearings-EGI Bearings
DesignationSKFd (mm/in)D (mm/in)T (mm/in)B (mm/in)d1 (mm/in)D1 (mm/in)Weight (kg)
331329 (M231649DW-610-610D)331329152,400222,250174,625174,62517119422.5
60,00087,50068,75068,750
330835C (46791DW-720-721D)330835C165,100225,425168,275165,10018219820.5
65,00088,75066,25065,000
331480 (67790DW-720-721D)331480177,800247,650192,088192,08819321629
70,00097,50075,62575,625
331382 (M238849DW-810-810D)331382187,325269,875211,138211,13820924141
73,750106,25083,12583,125
BT4B328881/HA1 (M238849DW-810-810D)BT4B328881/HA1269,875211,138211,13820923941
106,25083,12583,125
331249 (67885DW-820-820D)331249190,500269,875188,912187,32520823333.5
75,000105,00074,37573,750
330899A (M240648DW-611-611D)330899A198,488284,162225,425225,42521825247.5
78,125111,87588,75088,750
BT4B328065/HA1BT4B328065/HA1205320203,500203,50023328054.5
80,709125,98480,11880,118
331486 (67985DG-920-921D)331486206,375282,575190,500190,50022324736.5
81,250111,25075,00075,000
BT4B332637/HA1 (LM245149DW-110-110D)BT4B332637/HA1228,600311,150200,025200,02524828243.5
90,000122,50078,75078,750
331787 (EE127094DW-138-139D)331787241,224355,498228,600228,60027130881.5
94,970139,96090,00090,000
330782A (EE127097DW-135-136D)330782A241,478349,148228,600228.627130874.5
95,070137,46090,00090,000
137,46090,00090,000
330862B (LM247748D-710-710D) (LM24778DGEW-710-710D)330862B244,475327,025193.675193,67526429946
96,250128,75076,25076,250
128,75076,25076,250
BT4B328690/HA1 (EE126096DW-150-151D)BT4B328690/HA1381304,800304,800275321130
150,000120,000120,000
331398331398245380254255,500280329105
96,457149,606100,000100,591
614096B (EE220975DW-1575-1576D)614096B247,650400,050253,995249,235295346120
97,500157,50099,99898,124
331275A (M249749DW-710-710D)331275A254358,775269,875269,87527931988
100,000141,250106,250106,250
BT4B328551/HA1BT4B328551/HA1260440298,500298,500300372190
102,362173,228117,250117,250
330822B (76589DW-520-520D)330822B266,700355,600228,600230,18828831865.5
105,000140,00090,00090,625
BT4B331168B (M252349DW-310-310D)BT4B331168B269,875381,000282,575282,575296339105
106,250150,000111,250111,250
331288 (EE275109D-155-156D)331288276,225393,700269,875269,875302351100
108,750155,000106,250106,251
BT4B328293/HA1BT4B328293/HA1279,400381269,875269,87530034091
110,000150,000106,250106,250
330540A (LM654644DW-610-610D)330540A279,578380,898244,475244,47530833786
110,070149,96096,25096,250
330540AG (LM654644DGW-610-610D)330540AG380,898244,475244,47530833786
149,96096,25096,250
330337A (LM654648DW-610-610D)330337A285,750380,898244,475244,47530833781
112,500149,96096,25096,250
 330337AG (LM654648DGW-610-610D)330337AG380,898244,475244,47530833781
149,96096,25096,250
BT4B331452/HA1 (M255449DW-410-410D)BT4B331452/HA1288,925406,400298,450298,450314361125
113,750160,000117,500117,500
BT4B331452G/HA1 (M255449DGW-410-410D)BT4B331452G/HA1406,400298,450298,450314361125
160,000117,500117,500
BT4B328725G/HA1BT4B328725G/HA1300440279,400280,988334380145
118,110173,228110,000110,625
BT4B332472BT4B332472460388,500388,500336400240
181,102152,953152,953
BT4B331687/HA1 (M257149DW-110-110D)BT4B331687/HA1304,800419,100269,875269,875328378110
120,000165,000106,250106,250
330693C330693C482,600377,825365,125348416265
190,000148,750143,750
330758A (M257248DW-210-210D)330758A304,902412,648266,700266,700329371105
120,040162,460105,000105,000
 330758AG (M257248DGW-210-210D)330758AG412,648266,700266,700329371105
162,460105,000105,000
BT4B332647G/HA1 (M260149DGW-110-110D)BT4B332647G/HA1330,200444,500301,625301,625357401135
130,000175,000118,750118,750
331381 (HM261049DGW-010-010D)331381333,375469,900342,900342,900365419190
131,250185,000135,000135,000
BT4B331553/HA1BT4B331553/HA1342,900571,500342,900342,540393508365
135,000225,000135,000134,858
330661C (LM761649DG-610-610D)330661C343,052457,098254254,370410110
135,060179,960100,000100,000
330661CG (LM761649DGW-610-610D)330661CG457,098254254370410110
179,960100,000100,000
BT4B331077AG/HA1 (LM262449DGW-410-410D)BT4B331077AG/HA1 331092A347,662469,900260,350260,350399428130
136,875185,000102,500102,500
331092A (M262449DG-410-410D)469,900292,100292,100377426150
185,000115,000115,000
330662AG (LM763449DGW-410-410D)330662AG355,600482,600269,875265,112384430140
140,000190,000106,250104,375
331271 (M263349DGW-310-310D)331271488,950317,500317,500392439195
192,500125,000125,000
332059332059360510380380393454255
141,732200,787149,60614,960,6
BT4B328159/HA1BT4B328159/HA1540280,280,400478230
212,600110,236110,236
331159A (HM265049DGW-010-010D)331159A368,300523,875382,588382,588402464275
145,000206,250150,625150,625
BT4B332188/HA1BT4B332188/HA1374,650501,650260,350250,825400452140
147,500197,500102,50098,750
BT4B328294/HA1BT4B328294/HA1380560325325417504265
149,606220,472127,953127,953
BT4B328816/HA1BT4B328816/HA1560360360417497295
220,472141,732141,732
BT4B332889/HA1BT4B332889/HA1620368368433538438
244,094152,165152,165
331149A331149A384,175546,100400,050400,050419484310
(HM266449DGW-410-410D)151,250215,000157,500157,500
BT4B332824/HA1BT4B332824/HA1395545288,900268440489195
155,512214,567113,740105,512
BT4B331333/HA1 (M667947DA-910-910D) BT4B328967/HA1BT4B331333/HA1409,575546,100334,962334,962454523220
BT4B328967/HA1161,250215,000131,875131,875454523220
546,100334,962334,962
215,000131,875131,875
331160A331160A415,925590,550434,975434,975454523395
(M268749DGW-710-710D)163,750232,500171,250171,250
BT4B328826G/HA1BT4B328826G/HA1420560437437450553285
BT4B328374/HA1BT4B328374/HA1165,354220,473172,047172,047469553375
620355355
244,094139,764139,764
332060332060431,800635355,600355,600475568385
(EE931070DGW-250-251XD) BT4B334019G/HA1BT4B334019G/HA1170,000250,000140,000140,000475568405
(cont.)635355,600440
250,000140,000173,228
BT4B328829/HA1BT4B328829/HA1440580420420470528300
332313332313173,228228,346165,354165,354482567410
650353,500353,500
255,906139,173139,173
BT4B328670BT4B328670444,500571,500336,550336,550470528215
17,500225,000132,500132,500
330608C330608C447,675635463,550463,550488563485
(M270749DGW-710-710D)176,250250,000182,500182,500
BT4B328287G/HA1 (EE671798DGW-2873-2875D)BT4B328287G/HA1457,073730,148419,100412,750530637630
179,950287,460165,000162,500
BT4B328913G/HA1BT4B328913G/HA1457600368368505552250
BT4B329007/HA1BT4B329007/HA1187,008236,220144,882144,882510598460
660450450
259,843177,165177,165
330886B330886B479,425679,450495,300495,300514567605
(M272749DGW-710-710D)188,750267,500195,000195,000
BT4B328391G/HA1BT4B328391G/HA1488,950622,300365,125365,125515570265
192,500245,000143,750143,750
BT4B331499G/HA1 (EE641198DGW-265-266D) 331081ABT4B331499G/HA1 331081A501,650673,100387,350400,050538612395
(M274149DGW-110-110D)197,500265,000152,500157,500
711,200520,700520,700546631755
280,000205,000205,000
331157A331157A514,350673,100422,275422,275549612410
(LM274449DGW-410-410D)202,500265,000166,250166,250
331078A331078A519,112736,600536,575536,575567653755
(M275349DGW-310-310D)204,375290,000211,250211,250
BT4B331174/HA1 (M276449DGW-410-410D)BT4B331174/HA1536,575761,873558,800558,800586675835
211,250299,950220,000220,000
331978331978540690400400571637375
BT4B334038G/HA3BT4B334038G/HA3212,598271,654157,480157,480565400
690400434637
271,654157,480170,866
330529B330529B571,500812,800593,725593,7256257201000
(M278749DGW-710-710D)225,000320,000233,750233,750
331093A331093A585,788771,525479,425479,425625702625
(LM278849DGW-810-810D)230,625303,750188,750188,750
331566331566596,900980609,600604,8386868511920
235,000385,827240,000238,125
331625331625603,250857,250622,300622,3006567601235
(M280249DGW-210-210XD)236,220337,500245,000245,000
330990A330990A635901,700654,050654,0506948001420
(M281049*DGW-010-010D)250,000355,000257,500257,500
BT4B332671/HA1 (LM281049DGW-310-310D)BT4B332671/HA1646,112857,250542,925542,925690776875
254,375337,500213,750213,750
330824A330824A657,225933,450676,275676,2757188271575
(M281649DGW-610-610D)258,750367,500266,250266,250
331190331190660,400812,800365,125365,125698751420
(L281149DGW-110-110D)260,000320,000143,750143,750
BT4B332906/HA4BT4B332906/HA46769106206207258211150
266,142358,268244,094244,094
331503G/HA1331503G/HA1682,625965,200701,675701,6757408571750
(M282249DGW-210-210D)268,750380,000276,250276,250
BT4B332098A/HA4BT4B332098A/HA4708,025930,275565,150565,1507568461030
(LM282549DGW-510-510D)278,750366,250222,500222,500
330882C330882C711,200914,400317,500317,500765847525
(EE755281DGW-360-361D)280,000360,000125,000125,000
332244332244717,550946,150565,150565,1507688601090
(LM-282847DGW-810-810D)282,500372,500222,500222,500
330803A330803A730,2501,035,050755,650755,6507939182170
(M283449DGW-410-410D)287,500407,500297,500297,500
BT4B328376/HA4BT4B328376/HA475011306906908269902430
295,276444,882271,654271,654
331248331248812,8001143768,350768,35088810252590
320,000450,000302,500302,500

These bearings are commonly used in heavy machinery, such as rolling mills, gearboxes, and large industrial equipment, where high load-carrying capacity and reliability are essential. The four row taper roller design provides excellent rigidity and stability under heavy loads, making it suitable for demanding applications in various industries.

Features of Inch Size Four Row Taper Roller Bearing

The inch size four row taper roller bearing offers several key features that make it a popular choice for applications requiring high load capacity and reliability. One of the main features is its ability to accommodate both radial and axial loads simultaneously, making it versatile for various types of machinery.

Additionally, these bearings are designed for high-speed operations, providing smooth and efficient performance even under demanding conditions. The four row configuration distributes the load evenly across the rollers, reducing friction and wear, which leads to extended bearing life and reduced maintenance costs.

Moreover, inch size four row taper roller bearings are precision-engineered to meet stringent quality standards, ensuring consistent performance and dimensional accuracy. This level of precision makes them ideal for critical applications where precise motion control and alignment are crucial.

Applications of Inch Size Four Row Taper Roller Bearing

The inch size four row taper roller bearing is widely used in various industries due to its exceptional load-carrying capacity and reliability. Some common applications include steel mills, mining equipment, construction machinery, and agricultural machinery.

These bearings are particularly well-suited for applications that involve heavy radial and axial loads, such as in conveyor systems, heavy-duty vehicles, and power transmission equipment. Their robust construction and high load capacity make them an essential component in many industrial processes that require efficient power transmission and motion control.