FIELD
The present disclosure relates to the field of tapered roller bearings.
BACKGROUND
The background information herein below relates to the present disclosure but is not necessarily prior art.
A tapered roller bearing comprises of a cup and a cone. The cup is the outer ring which can incorporate the cone comprising a cage and tapered rollers. The tapered rollers are held in the cone by a pressed steel cage, which comes in contact with a flange configured on the cone, particularly a guiding flange formed on a large end rib. The guiding flange is configured to bear axial loads acts on the bearing when an axial component force acts on the rollers due to a disparity in angles between the inner and outer ring raceways of the bearing. Conventionally, the guiding flange of the cone is formed by turning process. As a result, the guiding flange typically has a flat or concave configuration, as the point of contact of the roller end and the guiding flange is not suitably formed.
Generally, it is necessary that a thick lubricant film be formed between the rollers and the flange. However, due to the conventional configuration of the guiding flange, the required thickness of the lubricant film may not be formed, especially, when the bearing runs at lower speeds. Consequently, frictional torque on the bearing increases and under higher loads sliding will occur at the contact surfaces. This will increase the possibility of surface damage or seizure at these areas.
Therefore, there is felt a need for a cone of a tapered roller bearing that alleviates the aforementioned problem.

OBJECTS
Some of the objects of the present disclosure, which at least one embodiment herein satisfies, are as follows:
An object of the present disclosure is to provide a cone of a tapered roller bearing.
Another object of the present disclosure is to provide a cone of a tapered roller bearing that provides sufficient lubricant film thickness along the guiding flange.
Yet another object of the present disclosure is to provide a cone of a tapered roller bearing that eliminates formation of sharp edges or dents on the guiding flange.
One object of the present disclosure is to provide a cone of a tapered roller bearing that reduces the frictional torque on the tapered roller bearing.
Another object of the present disclosure is to provide a cone of a tapered roller bearing that provides anti-seizure properties.
Other objects and advantages of the present disclosure will be more apparent from the following description, which is not intended to limit the scope of the present disclosure.
SUMMARY
The present disclosure relates to the field of tapered roller bearings. The present disclosure envisages a cone of a tapered roller bearing. The cone is defined by a main body having an external cylindrical surface and a conical rolling surface that is configured to roll against the rollers of the bearing. The main body has a small end rib having a retaining flange configured thereon, and a large end rib having a guiding flange configured thereon. The guiding flange is configured to contact an end surface

of a roller. The guiding flange is defined by a radially inner edge, a flat profile and a relieving curved profile with a predetermined radius. The relieving curved profile is configured to facilitate location of the contact point between the roller and the operative face of the large end rib.
In an embodiment, the relieving curved profile has a circular configuration,
In another embodiment, the relieving curved profile is configured on the flange using a grinding wheel having a predetermined profile configured thereon.
BRIEF DESCRIPTION OF THE ACCOMPANYING DRAWING
A cone of a tapered roller bearing of the present disclosure will now be described with the help of the accompanying drawing, in which:
Figure 1 illustrates a schematic view of a cone of the tapered roller bearing;
Figure 2 illustrates a close-up view of a conventional configuration of a guiding flange formed on the large end rib portion of a cone of the tapered roller bearing; and
Figure 3 illustrates a close-up view of the configuration of a guiding flange, in accordance with an embodiment of the present disclosure.
LIST OF REFERENCE NUMERALS
100-Cone
105 -Large end rib
110 - Conventional guiding flange
115 - Radially inner edge of the conventional flange
120 - Flange of the present disclosure

125 - Relieving curved profile of the present disclosure
DETAILED DESCRIPTION
Embodiments, of the present disclosure, will now be described with reference to the accompanying drawing.
Embodiments are provided so as to thoroughly and fully convey the scope of the present disclosure to the person skilled in the art. Numerous details, are set forth, relating to specific components, and methods, to provide a complete understanding of embodiments of the present disclosure. It will be apparent to the person skilled in the art that the details provided in the embodiments should not be construed to limit the scope of the present disclosure. In some embodiments, well-known processes, well-known apparatus structures, and well-known techniques are not described in detail.
The terminology used, in the present disclosure, is only for the purpose of explaining a particular embodiment and such terminology shall not be considered to limit the scope of the present disclosure. As used in the present disclosure, the forms "a," "an," and "the" may be intended to include the plural forms as well, unless the context clearly suggests otherwise. The terms "comprises," "comprising," "including," and "having," are open ended transitional phrases and therefore specify the presence of stated features, elements, modules, units and/or components, but do not forbid the presence or addition of one or more other features, elements, components, and/or groups thereof.
The terms first, second, third, etc., should not be construed to limit the scope of the present disclosure as the aforementioned terms may be only used to distinguish one element, component, region, layer or section from another component, region, layer or section. Terms such as first, second, third etc., when used herein do not imply a specific sequence or order unless clearly suggested by the present disclosure.

Terms such as "inner," "outer," "lower," and the like, may be used in the present disclosure to describe relationships between different elements as depicted from the figures.
Figure 1 illustrates a schematic view of the cone 100 of a tapered roller bearing not specifically shown in figures. Figure 2 illustrates a close-up view of large end rib 105 of the cone 100, which illustrates a close-up view of a conventional configuration of a guiding flange 110 formed on the face of the large end rib 105. The conventional design of the guiding flange 110 has a flat or concave configuration and is formed by turning process. The guiding flange 110 has a radially outer edge 115. The conventional configuration of the guiding flange 110 however, does not provide a defined contact point between the roller and the large end rib, and hence does not ensure sufficient lubricant film thickness during the operative configuration of the bearing, thus affecting the life of the tapered roller bearing.
A cone 100, of the present disclosure, of a tapered roller bearing will now be described with reference to Figure 3.
The cone 100 is defined by a main body having an external cylindrical surface and a conical rolling surface that is configured to roll against the rollers of the bearing. The main body has a small end rib 102 and a large end rib 105. The small end rib 102 has a retaining flange configured thereon. The large end rib 105 has a guiding flange 120 configured thereon. The guiding flange 120 is configured to contact an end surface of a roller. The guiding flange 120 is defined by a radially inner edge, a flat profile and a relieving curved profile 125 with a predetermined radius. The relieving curved profile 125 is configured to facilitate location of the contact point between the roller and the operative face of the large end rib 105.
The guiding flange 120, of the present disclosure, ensures that a lubricant film thickness, sufficient for lubrication of the roller bearing during an operative

configuration, is maintained throughout the operation. Since, there is no lubricant starvation, the frictional torque on the bearing decreases, and the guiding flange 120 gains anti-seizure properties. As a result, the noises that generated by the configuration of the conventional guiding flange 110 during operation, are eliminated. Further, the configuration of the guiding flange 120 eliminates formation of sharp edges or dents thereon.
In a preferred embodiment, the relieving curved profile 125 has a circular configuration.
In an embodiment, the relieving curved profile 125 is configured on the guiding flange 120 using a grinding wheel having a predetermined profile configured thereon. In another embodiment, the finishing of the guiding flange 120 is achieved by means of a special dressing tool (not specifically shown in figures) which is guided by a CNC program.
The foregoing description of the embodiments has been provided for purposes of illustration and not intended to limit the scope of the present disclosure. Individual components of a particular embodiment are generally not limited to that particular embodiment, but, are interchangeable. Such variations are not to be regarded as a departure from the present disclosure, and all such modifications are considered to be within the scope of the present disclosure.
TECHNICAL ADVANCEMENTS
The present disclosure described herein above has several technical advantages including, but not limited to, the realization of a cone of a tapered roller bearing, that:
• provides sufficient lubricant film thickness along the guiding flange;
• eliminates formation of sharp edges or dents on the guiding flange;

• reduces the frictional torque on the tapered roller bearing; and
• provides anti-seizure properties.
The embodiments herein and the various features and advantageous details thereof are explained with reference to the non-limiting embodiments in the following description. Descriptions of well-known components and processing techniques are omitted so as to not unnecessarily obscure the embodiments herein.
The foregoing description of the specific embodiments so fully reveal the general nature of the embodiments herein that others can, by applying current knowledge, readily modify and/or adapt for various applications such specific embodiments without departing from the generic concept, and, therefore, such adaptations and modifications should and are intended to be comprehended within the meaning and range of equivalents of the disclosed embodiments. It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation. Therefore, while the embodiments herein have been described in terms of preferred embodiments, those skilled in the art will recognize that the embodiments herein can be practiced with modification within the spirit and scope of the embodiments as described herein.
Any discussion of devices, articles or the like that has been included in this specification is solely for the purpose of providing a context for the disclosure. It is not to be taken as an admission that any or all of these matters form a part of the prior art base or were common general knowledge in the field relevant to the disclosure as it existed anywhere before the priority date of this application.
While considerable emphasis has been placed herein on the components and component parts of the preferred embodiments, it will be appreciated that many embodiments can be made and that many changes can be made in the preferred embodiments without departing from the principles of the disclosure. These and other

changes in the preferred embodiment as well as other embodiments of the disclosure will be apparent to those skilled in the art from the disclosure herein, whereby it is to be distinctly understood that the foregoing descriptive matter is to be interpreted merely as illustrative of the disclosure and not as a limitation

WE CLAIM:

1. A cone (100) of a tapered roller bearing, said cone (100) defined by a main
body having an external cylindrical surface and a conical rolling surface
configured to roll against the rollers of the bearing, said main body having:
a. a small end rib (102) having a retaining flange configured thereon; and
b. a large end rib (105) having a guiding flange (120) configured thereon,
said guiding flange (120) configured to contact an end surface of a
roller, said guiding flange (120) defined by a radially inner edge, a flat
profile and a relieving curved profile with a predetermined radius, said
relieving curved profile configured to facilitate location of the contact
point between the roller and said operative face of said large end rib
(105).
2. The cone (100) as claimed in claim 1, wherein said relieving curved profile has a circular configuration.
3. The cone (100) as claimed in claim 1, wherein said relieving curved profile is configured on said guiding flange (120) using a grinding wheel having a predetermined profile configured thereon.