SKF/North America Datasheets for Roller Bearings

Roller bearings are used in rotary applications to replace sliding movement with low friction, rolling motion. The principal types of roller bearings are cylindrical, spherical, and tapered.
Roller Bearings: Learn more

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Product Name Notes
Alignment needle roller bearings have an outer ring with a convex sphered outside surface. Two polymer seat rings with a concave sphered inside surface that is encased in a drawn...
Backing bearings have been specially developed for cold rolling mills of the cluster type, but can also be used for other applications, e.g. straightening or bending machines. Backing bearings are...
Cylindrical roller thrust bearings are suitable for arrangements that have to support heavy axial loads. Furthermore, they are relatively insensitive to shock loads, are very stiff and require little axial...
Double row cylindrical roller bearings have a low cross section, high load carrying capacity and high stiffness. Therefore they are mainly used in machine tools, rolling mill stands, plastic calenders,...
Double row tapered roller bearings can carry heavy loads and are stiff. They are suitable for the accommodation of combined (radial and axial) loads and can locate a shaft axially...
Drawn cup needle roller bearings, as the name suggests, are needle roller bearings with a deep drawn, thin-walled outer ring with either an open or closed end. They are characterized...
For bearing arrangements where the load carrying capacity of a single tapered roller bearing is inadequate, or where the shaft has to be axially located in both directions with a...
Four-row (fig) and six-row cylindrical roller bearings (fig) are used almost exclusively for the roll necks of rolling mill stands, calenders and roller presses. Their friction is low compared with...
Four-row tapered roller bearings (fig) are used successfully worldwide for rolling mill bearing arrangements where rolling speeds are slow to moderate. Because of their design they are able to take...
In spherical roller thrust bearings the load is transmitted from one raceway to the other at an angle to the bearing axis (fig 1). The bearings are therefore suitable to...
MRC specialty bearings and housings are available right off the shelf as "drop-in" replacements, ready for work within a variety of machines - everything from gearboxes, pumps and electric motors...
NCF design bearings (fig) have two integral flanges on the inner ring and one integral flange on the outer ring and can thus support axial loads acting in one direction...
Needle roller and cage assemblies are ready-to-mount, self-contained bearing components. They are an excellent choice for applications that require a very rigid bearing arrangement as well as a high load...
Needle roller bearings without flanges are separable, i.e. the outer ring, the needle roller and cage assembly and the inner ring can all be mounted separately. In many applications, this...
NJG design bearings (fig) comprise the heavy dimension series 23 and are intended for very heavily loaded, slow speed applications. These bearings have two integral flanges on the outer ring...
NNC design bearings (fig) are equipped with the same inner ring as bearings of the NNCL and NNCF design. The outer ring is split and held together by retaining elements,...
NNCF design bearings (fig) have three integral flanges on the inner ring and one integral flange on the outer ring enabling the bearing to provide axial location for a shaft...
NNF design bearings (fig) in the NNF 50 and 3194(00) series are always sealed on both sides and filled with grease. The two-piece inner ring has three integral flanges and...
SKF also supplies loose inner rings for needle roller bearings. Their use is particularly advantageous where needle roller and cage assemblies and drawn cup needle roller bearings are used, but...
SKF cam followers have an internal design very similar to that of a needle or cylindrical roller bearing. They are characterized by a thick walled outer ring that enables them...
SKF needle roller bearings with flanges on the outer ring and with an outside diameter up to and including 17 mm (Fw ? 10 mm), are manufactured with inserted closure...
Spherical roller bearings have two rows of rollers with a common sphered raceway in the outer ring and two inner ring raceways inclined at an angle to the bearing axis...
Split cylindrical roller bearings are intended primarily for bearing arrangements which are difficult to access or for cranked shafts. It is advantageous to use them in all cases where the...
Split spherical roller bearings (fig) are primarily used for bearing positions which are difficult to access such as on long shafts which require support at several positions, or on cranked...
Support rollers are basically needle or cylindrical roller bearings with a thick-walled outer ring and a crowned outside running surface. These pre-greased ready-to-mount units are suitable for all types of...
Tapered roller thrust bearings of the double direction type are mainly used together with multi-row cylindrical roller bearings in rolling mill applications (fig 10). Those bearings with a plane shaft...
Tapered roller thrust bearings of this type must be able to accommodate extremely heavy axial loads and also permit angular movement of the screw spindle with respect to the support.
The bearings have two loose flange rings on the outer ring, a flangeless inner ring and four rows of rollers (fig) or eight rows of rollers (fig). The bearings are...
The CARB toroidal roller bearing is a completely new type of radial roller bearing (fig 1). This compact self-aligning roller bearing was developed by SKF and introduced on the market...
The double lip seal, suitable for high temperature operations, is sheet steel reinforced and made of hydrogenated-acrylon itrile butadiene rubber (HNBR). It seals against the inner ring raceway. The outside...
The rollers in a single row cylindrical roller bearing (fig) are always guided between the integral "open" flanges on one of the rings. These "open" flanges combined with the specially...
The SKF standard range of single row tapered roller bearings (fig) covers the popular sizes of metric bearings manufactured to ISO 355:1977 and inch bearings which follow the ANSI/ABMA standard...
The sleeves facilitate bearing mounting and dismounting and often simplify bearing arrangement design.
Where appropriate, modified adapter sleeves of the E, L and TL designs are available for CARB bearings, to prevent the locking device from chafing the adjacent cage.

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