NTN Sealed spherical roller bearings
Sealed spherical roller bearings is new design of self aligning roller bearings,in some severe dust pollution environment applications,just like hoist conveyor,Dust entering have Crucial influence for the service life of the sealed spherical roller bearings,so the bearing housing usually designed triple sealing and the gease internal of the bearing are usually polluted by the dust,under this situation,NTN Research and design sealed spherical roller bearings.reduce the length of the rollers,reduce the cross of the inner and outer rings,
NTN Sealed spherical roller bearing adopt Standard ISO dimensions,install contact sealing on
the both side of the spherical roller bearings,and injected non-lubricated grease in advance, meanwhile,make the lubrication groove and holes,so the bearing can be lubricated if the application needed.but the sealing installation have a little bigger space.so NTN redesign the internal structure, for make sure the same load capacity,NTN design more rollers can be installed,these bearing can interchange each other with the open spherical roller bearings,it can operating reliable under the situation -25--+120 degree temperature,of course the dimension is not changeable.
NTN can produce sealed spherical roller bearing WA22212BLLS-WA22232BLLS series, tapered bore and cylindrical bore can be avaiable,these bearing usually be installed in NTN pillow block housing.XRB as the China bearing manufacturer,also produce and distributor NTN sealed spherical roller bearing.
WA22212BLLS WA22212BLLSK
WA22213BLLS WA22213BLLSK
WA22214BLLS WA22214BLLSK
WA22215BLLS WA22215BLLSK
WA22216BLLS WA22216BLLSK
WA22217BLLS WA22217BLLSK
WA22218BLLS WA22218BLLSK
WA22219BLLS WA22219BLLSK
WA22220BLLS WA22220BLLSK
WA22222BLLS WA22222BLLSK
WA22224BLLS WA22224BLLSK
WA22226BLLS WA22226BLLSK
WA22228BLLS WA22228BLLSK
WA22230BLLS WA22230BLLSK
WA22232BLLS WA22232BLLSK
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