249/850-BK30-MB-Spherical Cov Menyuam Bearing

Main Dimensions & Performance Data

d	850 hli	Lub taub hau
D	1,120 hli	Sab nraud txoj kab uas hla
B	2 72mm	Dav
Cr	8,400,000 N	Basic dynamic load ntsuam xyuas, radial
C0r	22,500,000 N	Basic static load ntsuam xyuas, radial
Cur	1,400,000 N	Fatigue load txwv, radial
nG	445 1/min	Txwv ceev
nϑr	123 1/min	Siv ceev
≈m	7 12,9kg	Qhov hnyav

Mounting qhov ntev

dib min	8 73mm	Yam tsawg kawg nkaus lub xub pwg nyom
Dib max	1 ,097mm	Maximum txoj kab uas hla ntawm lub xub pwg nyom
rib max	5 hli	Maximum recess radius

Qhov ntev

rmin	6 hli	Yam tsawg kawg nkaus chamfer dimension
D1	1.033.9mm	Ntiv nplhaib sab nraud
ds	12.5 hli	Txoj kab uas hla lubrication qhov
ns	23.5mm 3	Dav ntawm lubricating zawj

Qhov kub thiab txias

Tmin	-30 degree	Ua haujlwm kub min.
Tmax	200 degree	Ua haujlwm kub max.

Kev suav lej

e	0.23	Kev txwv tus nqi ntawm Fa / Fr rau kev siv ntawm qhov sib txawv. Tus nqi ntawm yam X thiab Y
Y1	2.98	Dynamic axial load yam
Y2	4.44	Dynamic axial load yam
Y0	2.92	Static axial load yam

 

Spherical roller bearings yog tsim los tswj hnyav radial thiab axial loads, txawm nyob rau hauv cov xwm txheej ntawm misalignment thiab ncej deflection. Cov kabmob no muaj cov kab sib tw sab nraud thiab ob kab ntawm lub thoob-zoo li cov menyuam yaus, ua rau lawv ua kom haum rau qhov tsis zoo ntawm cov nplhaib sab nraud thiab sab hauv. Qhov no muaj peev xwm ua rau lawv zoo tagnrho rau cov ntawv thov qhov twg ncej deflection lossis mounting yuam kev yog ib txwm muaj. Tsis tas li ntawd, lawv cov kev tsim kho muaj zog ua kom lub neej ua haujlwm ntev, txawm tias muaj kev vibration hnyav lossis cuam tshuam. Txhim khu lubrication raws thiab cov ntsaws ruaj ruaj nyob rau hauv cov qauv siab heev ntxiv txo kev sib txhuam thiab hnav.

Cov kabmob no muaj ntau yam zoo, ua rau lawv muaj ntau yam thiab txhim khu kev qha hauv ntau daim ntawv thov. Lawv cov qauv tsim tso cai rau lawv los tuav cov khoom tseem ceeb thaum tswj kev ua haujlwm hauv qhov chaw hnyav, yog li txo kev txij nkawm thiab kev poob qis. Txhim kho cov qauv tsim kuj ua rau qis kev khiav hauj lwm kub thiab ncua roj lub neej, txhim kho tag nrho cov efficiency. Kev sib xyaw ua ke ntawm kev pab cuam lub neej ntev thiab txo cov kev xav tau ntawm kev saib xyuas ua rau cov menyuam bearings ib qho kev xaiv zoo rau ntau lub lag luam.

Spherical roller bearings pom kev siv dav hauv kev siv tshuab, tshwj xeeb hauv kev tsuas, kev tsim kho, thiab cov khoom siv tuav cov khoom siv uas muaj qhov hnyav hnyav thiab qhov tsis zoo. Lawv kuj tseem ceeb hauv cov cuab yeej tsim hluav taws xob, xws li cua turbines, uas yuav tsum muaj kev daws teeb meem zoo thiab txhim khu kev qha. Hauv kev lag luam tsheb, cov kabmob no tau siv rau hauv cov tsheb hnyav thiab cov tsheb thauj khoom uas muaj zog thiab muaj peev xwm thauj khoom yog qhov tseem ceeb. Tsis tas li ntawd, lawv yog cov zoo tagnrho rau cov ntawv zeb hauv kev lag luam pulp thiab ntawv, qhov chaw uas lawv yuav tsum tiv taus cov khoom hnyav thiab kev ua haujlwm hnyav.

Nyob rau hauv cov ntsiab lus, spherical roller bearings yog indispensable Cheebtsam nyob rau hauv ntau yam industries vim lawv cov cim tsim thiab kev ua tau zoo yam ntxwv. Lawv lub peev xwm los tuav cov khoom hnyav, ua kom tsis zoo, thiab ua haujlwm tau zoo hauv qhov xav tau ib puag ncig kom ntseeg tau tias lawv ua lub luag haujlwm tseem ceeb hauv kev txuas cov cuab yeej siv lub neej thiab tswj kev ua haujlwm tau zoo.

TSIS MUAJ.	d	D	B
23288-BEA-XL-MB1	440	790	280
231/560-BEA-XL-MB1	560	920	280
231/560-BEA-XL-MB1-C3	560	920	280
24184-BE-XL-K30-C3	420	700	280
230/850-B-MB	850	1220	272
239/1180-B-MB	1180	1540	272
249/850-B-MB	850	1120	272
240/600-B-MB	600	870	272
249/850-BK30-MB	850	1120	272
239/1180-BK-MB-C3	1180	1540	272
231/530-BEA-XL-K-MB1-C3	530	870	272
240/600-BEA-XL-MB1	600	870	272
240/600-BEA-XL-MB1-C3	600	870	272
23284-BEA-XL-K-MB1	420	760	272
23284-BEA-XL-K-MB1-C3	420	760	272
239/1180-BK-MB	1180	1540	272
240/600-BEA-XL-K30-MB1	600	870	272
231/530-BEA-XL-MB1	530	870	272
231/530-BEA-XL-MB1-C3	530	870	272
231/530-BEA-XL-MB1-H40	530	870	272

Cim npe nrov: 249/850-bk30-mb-spherical roller bearing, 249/850-bk30-mb-spherical roller bearing lwm tus neeg