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WHZ Cylindrial?Roller?Bearing
Single row cylindrical roller bearing (fig)
NU (fig)and (fig)
 
The outer ring of bearings of the NU design has two integral flanges, the outer ring, rollers and cage can be separable from the inner ring. The inner ring of bearings of the N design has two integral flanges, the inner ring, rollers and cage can be separable from the outer ring. Axial displacement of the shaft with respect to the housing can be accommodated in both directions within the bearing itself. The designs can accommodate clearance to displacement of a shaft to housing caused by hot expansion or mounting error, the bearings are therefore used as non-locating bearings. Axial displacement of a shaft and housing cannot be restricted, it only carries radial load.
 
NJ(fig)and NF(fig)
 
The outer ring has two integral flanges, and the inner ring has one integral flange in NJ design. The inner ring has two integral flanges and the outer ring has one integral flange in NFdesign. Bearings of NJ and NF design can carry axial load in single direction to some extent.
 
NUP(fig) and NH (fig)
 
The outer ring has two integral flanges and the inner ring one integral flange and one non-integral flange in the form of a loose flange ring in NUP design. The outer ring has two integral flanges, the inner ring has one integral flange and a separate thrust collar in NH design. The inner ring and outer ring can be mounted separately(with a full set of rollers and cage),axial displacement in two directions of shafts and housings can be restricted in the limit of axial clearance of bearings,they can carry little axial loads in double directions besides radial loads. They are therefore suitable for located end.
 
NCL…V (fig)
That is a full complement cylindrical roller bearing without cage. The outer ring has a snap ring but without flanges. Such bearing has no cage, but many rollers, it can carry heavier radial load comparing with other cylindrical roller bearings in same size,but the limit speed is lower. The inner rings and outer rings of such bearing cannot be separated, axial displacement of a shaft and housing in two directions can be restricted in the limit of axial clearance of bearings.
 
NB (fig)
 
This is a cylindrical roller bearing without flanges. Both of the inner ring and outer ring has no flanges. There are some lubricating holes in the outer ring. Inner rings, outer rings and cages with a full set of rollers can be mounted separately,axial displacement of shafts and housings cannot be restricted,it is unable to carry axial loads.
 
NJ…V (fig)
 
This is a full complement cylindrical roller bearing without a cage that has a single flange on the inner ring. Due to no cages and many rollers,it can carry heavier radial load comparing to the other cylindrical roller bearings in same size,but the limit of speed is lower,axial displacement of shafts and housings cannot be restricted,it cannot carry axial loads.
 
NCF…V(fig)
 
This is a radial short cylindrical roller bearing without a cage, the outer ring has flanges. Due to no cages and many rollers,it can carry heavier radial load comparing to the other cylindrical roller bearings in same size,but the limit of speed is lower,axial displacement of a shaft and housing in two directions can be restricted in the limit of axial clearance of bearings.
 
…N (with snap groove)(fig)
 
Partial single row cylindrical roller bearings have snap grooves, the suffix code is indicated with N. Axial location of bearings in seats is made by snap rings, which simplify axial tightness of bearings in the housings.
●Double row cylindrical roller bearing(fig)
NN (fig)
 
The inner ring has flanges,the outer ring no flanges. The outer ring and inner ring with cage and rollers assembly can be mounted separately,axial displacement of the shaft or housing isn’t restrict,it cannot carry axial load,it can carry heavier radial load comparing to single row cylindrical roller bearings in same size,the structure is tight,the deformation is smaller when carrying loads,it is especially suitable for the support of machine tool spindles.
 
NN…K (fig)
 
The configuration is same to NN design but tapered bore only,it’s easy to adjust slightly the radial clearance and mounting & dismounting. Such type of bearing is accommodated to machine tool spindles.
 
NNU (fig)andNNU…K(fig)
 
The outer ring has integral flange,the inner ring no flange. There are cylindrical bore and taper bore in configuration. Axial displacement of a shaft and housing is not restricted, it cannot carry radial loads, it can carry heavier radial load comparing to single row cylindrical roller bearings in same size.
 
NNCF(fig)
 
The inner ring has tree integral flanges,the outer ring has one integral flange,axial location can be made in one direction.
 
NNCL (fig)
 
The inner ring has three integral flanges,the outer ring has no integral flanges,there are snap rings on two sides, non-separate bearings.
 
NNCS (fig)
 
The inner ring has three integral flanges,the outer ring has no integral flanges,there is a snap ring internal,non-separate bearings. Some axial displacement between shafts and seats is allowable,it is used as non-located bearing.
●Four row cylindrical roller bearing(fig)
Four row cylindrical roller bearing can carry heavy radial load and shocking load,processing accuracy is high,it is suitable for high speed. The mounting clearance can be adjusted freely.
 
FC(fig) double outer ring,single inner ring,the inner ring has no integral flange
FCDfigdouble outer ring,double inner ring,the inner ring has no integral flange
FCDPfigdouble outer ring,the outer ring has middle flange only,loose ring available,double inner ring,the inner ring has no integral flange

Название компании :
Точность подшипник Производство, ООО Далянь Киви
Адрес компании :
Город 2677StreetDiamond Wafangdian
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