MB Series Spherical Roller Bearings

MB spherical roller bearings generally use a two-piece machined brass cage guided by the inner ring. The structure is widely used in heavy-load machinery and replacement projects requiring robust cage construction.

Where MB Bearings Are Used

Mining machinery, cement mills, metallurgy equipment, heavy reducers, large shafts and engineering machinery.

Design and Selection Notes

MB designs are suitable for many shock-load applications, but the complete suffix, lubrication arrangement, clearance and dimensional standard must be verified for the target equipment.

QLGO Manufacturing and Supply

QLGO manufactures medium and large spherical roller bearings with bore diameters from 100 mm up to 1800 mm. Standard stock can be dispatched after inventory and specification confirmation. Non-standard and OEM production is normally planned for approximately 30 days after the drawing and technical requirements are approved.

Available options may include cylindrical or tapered bore, W33 lubrication groove, C3/C4 clearance and customer-specified cage or dimensional execution. Final availability is confirmed by full model, suffix, quantity and working condition.

Complete MB Model Table

The table below contains all 295 unique MB model records currently included in the QLGO selection catalog.

StructureCylindrical boreTapered bored mmD mmB mmC kNC0 kNReference speedLimiting speedWeight kg
MB21320 MB/W3321320 MBK/W3310021547432486270038508.6
MB22220 MB/W3322220 MBK/W3310018046431482310040004.9
MB22320 MB/W3322320 MBK/W33100215738609482200270013.5
MB23120 MB/W3323120 MBK/W3310016552391483280034004.55
MB23220 MB/W3323220 MBK/W3310018060.3502590220030006.85
MB24020 MB/W3324020 MBK30/W3310015050290408260035003.15
MB24120 MB/W3324120 MBK30/W3310016565461631220028005.65
MB22222 MB/W3322222 MBK/W3311020053577629280034007
MB22322 MB/W3322322 MBK/W331102408098511001800250018.5
MB23022 MB/W3323022 MBK/W3311017045330432310038003.8
MB23122 MB/W3323122 MBK/W3311018056452578260032005.75
MB23222 MB/W3323222 MBK/W3311020069.8625759200028009.85
MB24022 MB/W3324022 MBK30/W3311017060439619220031005
MB24122 MB/W3324122 MBK30/W3311018069545741180027007.1
MB22224 MB/W3322224 MBK/W3312021558660753260033008.7
MB22324 MB/W3322324 MBK/W3312026086103011101850230023
MB23024 MB/W3323024 MBK/W3312018046366508300035004.2
MB23124 MB/W3323124 MBK/W3312020062543683240029008
MB231581 MB/W331202056852886323009.2
MB23224 MB/W3323224 MBK/W33120215767459121800250012
MB24024 MB/W3324024 MBK30/W3312018060461662220029005.45
MB24124 MB/W3324124 MBK30/W33120200806799401700230010.5
MB22226 MB/W3322226 MBK/W33130230647539202400320011
MB22326 MB/W3322326 MBK/W3313028093117813241650210029
MB23026 MB/W3323026 MBK/W3313020052448610260032006
MB23126 MB/W3323126 MBK/W3313021064595766220028008.8
MB23226 MB/W3323226 MBK/W331302308082710501700230014.5
MB24026 MB/W3324026 MBK30/W3313020069568814180026008.05
MB24126 MB/W3324126 MBK30/W33130210807039851500210011
MB29226 MB/W3329226 MBK/W3313023064657920220011
MB22228 MB/W3322228 MBK/W33140250687438932200280014
MB22328 MB/W3322328 MBK/W33140300102143415401500190036.5
MB23028 MB/W3323028 MBK/W3314021053486672240029006.55
MB23128 MB/W3323128 MBK/W33140225686638982000250010.5
MB23228 MB/W3323228 MBK/W331402508896412401500210019
MB24028 MB/W3324028 MBK30/W3314021069610890180025008.55
MB24128 MB/W3324128 MBK30/W331402258581111401500190013.5
MB22230 MB/W3322230 MBK/W331502707390510702000260018
MB22330 MB/W3322330 MBK/W33150320108152317401500180043.5
MB23030 MB/W3323030 MBK/W3315022556538749220028007.95
MB23130 MB/W3323130 MBK/W331502508089011901800230016
MB23230 MB/W3323230 MBK/W3315027096113514571500190024.5
MB24030 MB/W3324030 MBK30/W331502257568210301600230010.5
MB24130 MB/W3324130 MBK30/W33150250100103615101300180020
MB22232 MB/W3322232 MBK/W3316029080104812801800250022.5
MB22332 MB/W3322332 MBK/W33160340114169419501400170052
MB23032 MB/W3323032 MBK/W3316024060613879220026009.7
MB23132 MB/W3323132 MBK/W3316027086103513601700210020.5
MB23232 MB/W3323232 MBK/W33160290104126316501400190031
MB24032 MB/W3324032 MBK/W331602408077711801500210013
MB24132 MB/W3324132 MBK30/W33160270109122917501200170025
MB24932 MB/W331602206041384017006.85
MB22234 MB/W3322234 MBK/W3317031086117614501700230028.5
MB22334 MB/W3322334 MBK/W33170360120189421301300160061
MB23034 MB/W3323034 MBK/W331702606774310402000240013
MB23134 MB/W3323134 MBK/W3317028088110214901600210022
MB23234 MB/W3323234 MBK/W33170310110148119101300170037.5
MB24034 MB/W3324034 MBK30/W331702609097314401500210017.5
MB24134 MB/W3324134 MBK30/W33170280109127118901100160027.5
MB22236 MB/W3322236 MBK/W3318032086121815401600230029.5
MB22336 MB/W3322336 MBK/W33180380126211024201200150071.5
MB23036 MB/W3323036 MBK/W331802807488412401800230017
MB23136 MB/W3323136 MBK/W3318030096124717301500190028
MB23236 MB/W3323236 MBK/W33180320112155421101200170039.5
MB23936 MB/W3323936 MBK/W3318025052512821230025007.9
MB24036 MB/W3324036 MBK30/W33180280100113117101400190023
MB24136 MB/W3324136 MBK30/W33180300118146421501000140034.5
MB22238 MB/W3322238 MBK/W3319034092132016801500210036.5
MB22338 MB/W3322338 MBK/W33190400132226726401100140082.5
MB23038 MB/W3323038 MBK/W331902907593113301700210018
MB23138 MB/W3323138 MBK/W33190320104145420601400180035
MB23238 MB/W3323238 MBK/W33190340120178823591200160048
MB23938 MB/W3323938 MBK/W3319026052490791220023008.3
MB24038 MB/W3324038 MBK30/W33190290100118617701300170024.5
MB24138 MB/W3324138 MBK30/W33190320128162124701000130043
MB22240 MB/W3322240 MBK/W3320036098150519201500190043.5
MB22340 MB/W3322340 MBK/W33200420138245028901100130095
MB23040 MB/W3323040 MBK/W3320031082105815001600190023.5
MB23140 MB/W3323140 MBK/W33200340112167923501400170043
MB23240 MB/W3323240 MBK/W33200360128192126901100150058
MB23940 MB/W3323940 MBK/W332002806065810202000210011.5
MB24040 MB/W3324040 MBK/W33200310109135520901200170031
MB24140 MB/W3324140 MBK30/W3320034014018962750900120053.5
MB22244 MB/W3322244 MBK/W33220400108181323501400170060.5
MB22344 MB/W3322344 MBK/W33220460145283434009401200120
MB23044 MB/W3323044 MBK/W3322034090125618301500170030.5
MB23144 MB/W3323144 MBK/W33220370120187927401200150053.5
MB23244 MB/W3323244 MBK/W33220400144253434201000130081.5
MB23944 MB/W3323944 MBK/W332203006066410601800190012.5
MB24044 MB/W3324044 MBK30/W33220340118165625601100150040
MB24144 MB/W3324144 MBK30/W3322037015021593330790105067
MB22248 MB/W3322248 MBK/W33240440120224529401200160083
MB22348 MB/W3322348 MBK/W33240500155319439408901140155
MB23048 MB/W3323048 MBK/W3324036092132120401400170033.5
MB23148 MB/W3323148 MBK/W33240400128214731801100140066.5
MB23248 MB/W3323248 MBK/W33240440160303342508801140110
MB23948 MB/W3323948 MBK/W332403206068811821750180013.5
MB24048 MB/W3324048 MBK30/W33240360118166526601000140043
MB24148 MB/W3324148 MBK30/W332404001602440388070094083
MB22252 MB/W3322252 MBK/W332604801302721352011001420110
MB22352 MB/W3322352 MBK/W3326054016536104470780987190
MB23052 MB/W3323052 MBK/W33260400104168225201200150048.5
MB23152 MB/W3323152 MBK/W33260440144252136941000125090.5
MB23252 MB/W3323252 MBK/W33260480174340747207901029140
MB23852 MB/W3323852 MBK/W332603204537991512008.05
MB23952 MB/W3323952 MBK/W3326036075103817901560170023.5
MB24052 MB/W3324052 MBK30/W3326040014021653440920120065.5
MB24152 MB/W3324152 MBK30/W3326044018030764730610810110
MB24952 MB/W3326036010011222453120032
MB22256 MB/W3322256 MBK/W332805001302844373010001330115
MB22356 MB/W3322356 MBK/W3328058017541475130730970235
MB23056 MB/W3323056 MBK/W33280420106181228201200140052.5
MB23156 MB/W3323156 MBK30/W3328046014627304208900117097
MB23256 MB/W3323256 MBK/W33280500176345347937501057150
MB23856 MB/W3323856 MBK/W33280350525151189110012
MB23956 MB/W3323956 MBK/W3328038075102217261430150025
MB24056 MB/W3324056 MBK/W3328042014022343760860125069.5
MB24156 MB/W3324156 MBK30/W3328046018031255080560800120
MB24956 MB/W3328038010010602455110034.5
MB22260 MB/W3322260 MBK/W33300540140322842209001200135
MB23060 MB/W3323060 MBK/W33300460118219234101100134071.5
MB23160 MB/W3323160 MBK/W33300500160310846888501040125
MB23260 MB/W3323260 MBK/W3330054019240425810700850190
MB23860 MB/W3323860 MBK/W3330038060512119617
MB23960 MB/W3323960 MBK/W3330042090140024901300140039.5
MB24060 MB/W3324060 MBK30/W3330046016027794710790105097
MB24160 MB/W3324160 MBK30/W3330050020038256290510690160
MB22264 MB/W3322264 MBK/W33320580150378249908601160175
MB23064 MB/W3323064 MBK/W33320480121232837401000126078
MB23164 MB/W3323164 MBK/W3332054017636535504790960165
MB23264 MB/W3323264 MBK/W3332058020846236690630850240
MB23864 MB/W3323864 MBK/W33320400606611656120017.5
MB23964 MB/W3323964 MBK/W3332044090150227231250130042
MB24064 MB/W3324064 MBK30/W33320480160292050607501080100
MB24164 MB/W3324164 MBK30/W3332054021844437090470610210
MB23068 MB/W3323068 MBK/W33340520133281344809101110105
MB23168 MB/W3323168 MBK/W3334058019043686670740860210
MB23268 MB/W3323268 MBK/W3334062022453417720500690295
MB23868 MB/W3334042060699175974018.5
MB23968 MB/W3323968 MBK/W3334046090148527731200120045.5
MB24068 MB/W3324068 MBK30/W3334052018035596160700950140
MB24168 MB/W3324168 MBK30/W3334058024355098540400540280
MB22272 MB/W3322272 MBK/W3336065017044426080580760255
MB23072 MB/W3323072 MBK/W33360540134282747908901040110
MB23172 MB/W3323172 MBK/W3336060019245116920690860220
MB23272 MB/W3323272 MBK/W3336065023256948250470640335
MB23872 MB/W3323872 MBK/W3336044060701186620
MB23972 MB/W3323972 MBK/W3336048090147027101100116046
MB24072 MB/W3324072 MBK30/W3336054018037576430640860145
MB24172 MB/W3324172 MBK30/W3336060024358289290366530280
MB23076 MB/W3323076 MBK/W33380560135288849208401040115
MB23176 MB/W3323176 MBK/W3338062019445097000520850230
MB23276 MB/W3323276 MBK/W3338068024061689070470660375
MB23976 MB/W3323976 MBK/W33380520106199037901000105069
MB24076 MB/W3324076 MBK30/W3338056018037586680600810150
MB24176 MB/W3324176 MBK30/W3338062024358549730330470300
MB22380 MB/W3322380 MBK/W33400820243776810380400660650
MB23080 MB/W3323080 MBK/W3340060014833605750790980150
MB23180 MB/W3323180 MBK/W3340065020048637500480830265
MB23280 MB/W3323280 MBK/W33400720256695810280430580450
MB23980 MB/W3323980 MBK/W33400540106199938901000108071
MB24080 MB/W3324080 MBK30/W3340060020044237840580790205
MB24180 MB/W3324180 MBK30/W33400650250629410390310450340
MB23084 MB/W3323084 MBK/W3342062015034815960540940155
MB23184 MB/W3323184 MBK/W3342070022459119230440770350
MB23284 MB/W3323284 MBK/W33420760272754311510410540535
MB23984 MB/W3323984 MBK/W334205601062046411091097074.5
MB24084 MB/W3324084 MBK30/W3342062020045248190470770210
MB24184 MB/W3324184 MBK30/W33420700280743312520290430445
MB23088 MB/W3323088 MBK/W3344065015738326540510900180
MB23188 MB/W3323188 MBK/W3344072022662019970410760360
MB23288 MB/W3323288 MBK/W33440790280821612380390520590
MB23988 MB/W3323988 MBK/W334406001182475486086088099.5
MB24088 MB/W3324088 MBK30/W3344065021248929090450740245
MB24188 MB/W3324188 MBK30/W33440720280781613100280390460
MB23092 MB/W3323092 MBK/W3346068016341426820510850205
MB23192 MB/W3323192 MBK/W33460760240671610660400680440
MB23292 MB/W3323292 MBK/W33460830296883713497370500695
MB23992 MB/W3323992 MBK/W3346062011825214930540860105
MB24092 MB/W3324092 MBK30/W3346068021853599990450710275
MB24192 MB/W3324192 MBK30/W33460760300856414350260380560
MB24892 MB/W3324892 MBK30/W334605801182042483056099075.5
MB23096 MB/W3323096 MBK/W3348070016539666770490820215
MB23196 MB/W3323196 MBK/W33480790248733511950370660485
MB23296 MB/W3323296 MBK/W33480870310969114750350470800
MB23896 MB/W3323896 MBK/W33480600901422379048061
MB23996 MB/W3323996 MBK/W3348065012829495630520850125
MB24096 MB/W3324096 MBK30/W33480700218542110300420660285
MB24196 MB/W3324196 MBK30/W33480790308906215520240340605
MB230/500 MB/W33230/500 MBK/W3350072016744157710450800225
MB231/500 MB/W33231/500 MBK/W33500830264797512840350620580
MB232/500 MB/W33232/500 MBK/W335009203361121117000330440985
MB238/500 MB/W33238/500 MBK/W33500620901451403547062
MB239/500 MB/W33239/500 MBK/W3350067012829605910472820130
MB240/500 MB/W33240/500 MBK30/W33500720218587610940400600295
MB241/500 MB/W33241/500 MBK30/W335008303251016316920240330700
MB230/530 MB/W33230/530 MBK/W3353078018553279260420680310
MB231/530 MB/W33231/530 MBK/W33530870272858113740330570645
MB232/530 MB/W33232/530 MBK/W3353098035513324202103004201200
MB239/530 MB/W33239/530 MBK/W3353071013632926590460780155
MB240/530 MB/W33240/530 MBK30/W33530780250690413040370600410
MB241/530 MB/W33241/530 MBK30/W335308703351095518880220320830
MB248/530 MB/W33248/530 MBK30/W335306501182119523049085086
MB230/560 MB/W33230/560 MBK/W33560820195569310040400670355
MB231/560 MB/W33231/560 MBK/W33560920280952515930310560740
MB232/560 MB/W33232/560 MBK/W33560103036513783216602603801350
MB239/560 MB/W33239/560 MBK/W3356075014035377060400750175
MB240/560 MB/W33240/560 MBK30/W33560820258750414590350540465
MB241/560 MB/W33241/560 MBK30/W335609203551255121460200280985
MB230/600 MB/W33230/600 MBK/W33600870200620211250370600405
MB231/600 MB/W33231/600 MBK/W336009803001081417810290480895
MB232/600 MB/W33232/600 MBK/W33600109038815786254302303601600
MB239/600 MB/W33239/600 MBK/W3360080015039558253390670220
MB240/600 MB/W33240/600 MBK30/W33600870272871616700310500520
MB241/600 MB/W33241/600 MBK30/W3360098037513384235701802701200
MB230/630 MB/W33230/630 MBK/W33630920212696812480350600485
MB231/630 MB/W33231/630 MBK/W33630103031512778203902404701050
MB238/630 MB/W33238/630 MBK/W3363078011225026050400660120
MB239/630 MB/W33239/630 MBK/W3363085016546939660370600280
MB240/630 MB/W33240/630 MBK30/W33630920290911917900300470645
MB241/630 MB/W33241/630 MBK30/W33630103040015082267301702501400
MB230/670 MB/W33230/670 MBK/W33670980230779914410310510600
MB231/670 MB/W33231/670 MBK/W33670109033613199224652204301250
MB232/670 MB/W33232/670 MBK/W33670122043819011302602003202270
MB238/670 MB/W33238/670 MBK/W3367082011225926420360620130
MB239/670 MB/W33239/670 MBK/W33670900170513410760330600315
MB240/670 MB/W33240/670 MBK30/W336709803081037820350270450790
MB241/670 MB/W33241/670 MBK30/W33670109041216093289101602301600
MB230/710 MB/W33230/710 MBK/W337101030236852116280280500670
MB231/710 MB/W33231/710 MBK/W33710115034514637256002204001450
MB232/710 MB/W33232/710 MBK/W33710128045021348339601802802610
MB238/710 MB/W33238/710 MBK/W3371087011830497490330600153
MB239/710 MB/W33239/710 MBK/W33710950180569311840310530365
MB240/710 MB/W33240/710 MBK30/W3371010303151123722380240390895
MB241/710 MB/W33241/710 MBK30/W33710115043817613324001502101900
MB249/710 MB/W33249/710 MBK30/W33710950243687115580270430495
MB230/750 MB/W33230/750 MBK/W337501090250990118290260470795
MB231/750 MB/W33231/750 MBK/W33750122036516356289302003801700
MB232/750 MB/W33232/750 MBK/W33750136047521420363901702603050
MB238/750 MB/W33238/750 MBK/W3375092012833878460310520185
MB239/750 MB/W33239/750 MBK/W337501000185616413060290480420
MB240/750 MB/W33240/750 MBK30/W33750109033512054246302203801070
MB241/750 MB/W33241/750 MBK30/W33750122047520291372301401902100
MB249/750 MB/W33249/750 MBK30/W337501000250775717930260410560
MB230/800 MB/W33230/800 MBK/W3380011502581025719790230420895
MB231/800 MB/W33231/800 MBK/W33800128037518285314001803501920
MB232/800 MB/W33232/800 MBK/W33800142048825160424101602503280
MB239/800 MB/W33239/800 MBK/W338001060195649014270250460470
MB240/800 MB/W33240/800 MBK30/W33800115034513547283702003401200
MB241/800 MB/W33241/800 MBK30/W33800128047521893403801301802300
MB248/800 MB/W33248/800 MBK30/W33800980180481112720300500300
MB249/800 MB/W33249/800 MBK30/W338001060258812319260220370640
MB230/850 MB/W33230/850 MBK/W33850122027211247211802204001050
MB231/850 MB/W33231/850 MBK/W33850136040023963450421211642200
MB238/850 MB/W33238/850 MBK/W33850103013638809980240470240
MB239/850 MB/W33239/850 MBK/W338501120200703115420240410560
MB240/850 MB/W33240/850 MBK30/W33850122036515297312301803101410
MB241/850 MB/W33241/850 MBK30/W33850136050028031487421452292770
MB249/850 MB/W33249/850 MBK30/W338501120272929022600200360740
MB230/900 MB/W33230/900 MBK/W33900128028011799230402003501200
MB239/900 MB/W33239/900 MBK/W339001180206762116920220400605
MB240/900 MB/W33240/900 MBK30/W33900128037516375342001703001570
MB241/900 MB/W33241/900 MBK30/W33900142051525772489001101603350
MB248/900 MB/W33248/900 MBK30/W339001090190541115160220430370
MB230/950 MB/W33230/950 MBK/W33950136030014561280301803401450
MB239/950 MB/W33239/950 MBK/W339501250224866919320200380755
MB240/950 MB/W33240/950 MBK30/W33950136041217680383101502701990
MB241/950 MB/W33241/950 MBK30/W33950150054528438542901001403540
MB249/950 MB/W33249/950 MBK30/W33950125030010561254801602901020
MB230/1000 MB/W33230/1000 MBK/W331000142030814311303501603201600
MB231/1000 MB/W33231/1000 MBK/W331000158046225356470601302503500
MB238/1000 MB/W33238/1000 MBK/W3310001220165546514270200340410
MB240/1000 MB/W33240/1000 MBK30/W331000142041218907400901502402140
MB241/1000 MB/W33241/1000 MBK30/W33100015805803102161860901304300
MB249/1000 MB/W33249/1000 MBK30/W331000132031511835286601502801200
MB230/1060 MB/W33230/1060 MBK/W331060150032515898336101502801840
MB238/1060 MB/W33238/1060 MBK/W3310601280165563814710180330435
MB239/1060 MB/W33239/1060 MBK/W331060140025011436257201603201100
MB240/1060 MB/W33240/1060 MBK30/W331060150043820759451201402302520
MB248/1060 MB/W33248/1060 MBK30/W3310601280218683119840180340570
MB249/1060 MB/W33249/1060 MBK30/W331060140033513271323301502401400
MB240/1120 MB/W33240/1120 MBK30/W331120158046222569491601202102930
MB248/1120 MB/W33248/1120 MBK30/W3311201360243835723910160300735
MB249/1120 MB/W33249/1120 MBK30/W331120146033513811342401302301500
MB238/1180 MB/W33238/1180 MBK/W3311801420180685118460150280575
MB239/1180 MB/W33239/1180 MBK/W331180154027213119309701402701400
MB240/1180 MB/W33240/1180 MBK30/W331180166047525876579001201903320
MB248/1180 MB/W33248/1180 MBK30/W3311801420243896526560150280770
MB249/1180 MB/W33249/1180 MBK30/W331180154035515586402801202101800
MB230/1250 MB/W33230/1250 MBK/W331250175037521125441001202102840
MB248/1320 MB/W33248/1320 MBK30/W331320160028011276333401302301160
MB249/1320 MB/W33249/1320 MBK30/W331320172040018889483501001702500
MB248/1500 MB/W33248/1500 MBK30/W331500182031514757441401001901710
MB249/1500 MB/W33249/1500 MBK30/W331500195045020889628303550
MB248/1800 MB/W33248/1800 MBK30/W33180021803752027462690701202900

How to Request a Quotation

Send the complete model, required quantity, machine type, load, speed, lubrication method and delivery destination. For replacement projects, include the original bearing photos or drawing. WhatsApp / WeChat / Tel: +86 17662066508. Email: 17662066508@163.com.