KR20170045658A - Rolling bearing, Shield for rolling bearing and Method for assembling the same - Google Patents

Rolling bearing, Shield for rolling bearing and Method for assembling the same Download PDF

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Publication number
KR20170045658A
KR20170045658A KR1020150145615A KR20150145615A KR20170045658A KR 20170045658 A KR20170045658 A KR 20170045658A KR 1020150145615 A KR1020150145615 A KR 1020150145615A KR 20150145615 A KR20150145615 A KR 20150145615A KR 20170045658 A KR20170045658 A KR 20170045658A
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KR
South Korea
Prior art keywords
shield
insertion portion
guide surface
outer ring
diameter
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KR1020150145615A
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Korean (ko)
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KR101756542B1 (en
Inventor
최윤석
정지원
김병국
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셰플러코리아(유)
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Priority to KR1020150145615A priority Critical patent/KR101756542B1/en
Publication of KR20170045658A publication Critical patent/KR20170045658A/en
Application granted granted Critical
Publication of KR101756542B1 publication Critical patent/KR101756542B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
    • F16C33/7843—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc
    • F16C33/7846—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with a gap between the annular disc and the inner race
    • F16C33/785—Bearing shields made of sheet metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C43/00—Assembling bearings
    • F16C43/04—Assembling rolling-contact bearings
    • F16C43/045—Mounting or replacing seals

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The rolling bearing of the present invention comprises an inner ring, an outer ring provided radially outwardly of the inner ring and having a shield insertion portion radially inwardly, a rolling member provided between the inner ring and the outer ring, And a shield having an insertion portion for protecting the rolling member and inserted into the shield insertion portion; Wherein the outer ring has a guide surface convexly formed radially inwardly from the axial surface, a shield groove surface concavely extended from the guide surface, and a seating surface protruding radially inwardly from the guide surface in the shielding groove, Wherein the radially outer end portion is curved inwardly in the axial direction and is curved to be opened outwardly in the axial direction, and the outer diameter of the insertion portion is formed larger than the inner diameter of the guide surface.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rolling bearing, a rolling bearing, and a method for assembling the rolling bearing.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rolling bearing, a shield for a rolling bearing, and a method for manufacturing the same, and more particularly, to a rolling bearing provided between an inner ring and an outer ring for protecting a rolling element, .

Generally, a rolling bearing is a device for rotatably supporting a shaft by rolling contact using a rolling member such as a ball or a roller.

1 and 2, a rolling bearing 1 has a structure in which a plurality of rolling elements 17 are arranged between an inner ring 11 and an outer ring 13 and a plurality of rolling elements 17 arranged between an inner ring 11 and an outer ring 13, And a shield (15) for covering the rolling element (17) by covering the lateral opening.

In Korean Patent Application Publication No. 2002-0093697 (December 16, 2002), a rolling bearing has been disclosed. FIG. 3 is a partial sectional view showing a conventional rolling bearing having a shield, and FIG. 4 is a partial cross-sectional view showing only an outer ring, an inner ring and a shield in FIG. 3 and 4, a conventional rolling bearing 1 includes a retainer 19 for holding a rolling member 17 provided between an inner ring 11 and an outer ring 13 at a predetermined interval .

The shield 15 is annular and has a radially outer side in a bent and curved plate shape. The shield 15 includes a body portion 153, an insertion portion 151, a tail portion 155, and an inclined portion 152.

The inclined portion 152 is bent at an axially outwardly inclined angle at the radially outer end of the body portion 153. The tail portion 155 is formed to bend inward in the axial direction from the radially inner side of the body portion 153.

4, the insertion portion 151 includes a horizontal portion 154, a vertical portion 156, and a curved portion 158. As shown in FIG. The horizontal portion 154 is bent to be radially outward at the radially outer end of the inclined portion 152. The vertical portion 156 is bent to be axially outward at the end of the horizontal portion 154. The curved portion 158 is curved in an arcuate shape so that its end portion is axially inward at an end portion of the vertical portion 154.

The curved portion 158 is provided radially inwardly to the vertical portion 156. And is formed to be axially inwardly open. The outer diameter of the insertion portion 151 (outer diameter of the shield before assembly) is the outer diameter of the vertical portion 156. The outer diameter of the insertion portion 151 before assembly is smaller than the inner diameter of the guide surface 1311 of the outer ring 13.

The insertion part 151 is formed with a slit 15a extending radially to the end thereof so that curling deformation of the insertion part 151 is facilitated.

The insertion portion 151 is plastically deformed as shown by the dotted line in FIG. 4, while the inclined surface P1 of the punch P is pushed downward and outwardly against the curved portion 158 of the insertion portion 151 And inserted into the shield insertion portion 131 to be assembled.

The vertical portion 156 of the insertion portion 151 after insertion is provided in contact with the seating surface 1317 of the shield insertion portion 131 and one side surface of the curved portion 158 is in contact with the surface facing inward in the axial direction of the guide surface 1311 As shown in FIG. A space is formed between the shielding surfaces 1315 of the outer ring 13 after insertion in the radially outer surface of the curved portion 158 before insertion.

Conventionally, the outer ring 13 is deformed due to a pressing load imposed when the shield 15 is press-fitted, and consequently the concentricity and roundness of the bearing track are deteriorated, causing noise during driving of the bearing and shortening the service life.

The body portion 153 and the tail portion 155 of the shield 15 are deformed axially outwardly in accordance with the state of the insertion portion 151 that is press-fitted into the shield insertion portion 131 of the outer ring 13 after assembly There is a problem that interference with peripheral parts occurs when projecting out of the bearing or interference with the bearing parts occurs when the bearing penetrates into the bearing and foreign matter is easily infiltrated.

In order to solve the above-mentioned problems, according to the present invention, a rolling bearing, a rolling bearing shield, and a rolling bearing, which can apply the smallest curvature that can be manufactured by assembling without changing the shape of the shield inserting portion, And a method for producing the same.

The rolling bearing of the present invention comprises an inner ring, an outer ring provided radially outwardly of the inner ring and having a shield insertion portion radially inwardly, a rolling member provided between the inner ring and the outer ring, And a shield having an insertion portion for protecting the rolling member and inserted into the shield insertion portion; Wherein the outer ring is formed with a guide surface formed radially inward from the axial surface, a shield groove surface concavedly extending from the guide surface, and a seating surface protruding radially inwardly from the guide surface in the radial direction outer side of the shield main body, Wherein the bearing is formed with a concave groove that is bent axially inwardly from the end and opens axially outwardly and the outer diameter of the insert is formed larger than the inner diameter of the guide surface.

The inner diameter of the guide surface is larger than the diameter of the innermost axial portion of the insertion portion and smaller than the outer diameter of the insertion portion. When the shield is pressed inward in the axial direction by the outer ring, the insertion portion is radially inwardly pressed by the guide surface, Is inserted.

The outer diameter of the insertion portion is smaller than the inner diameter of the shielding groove.

The shield for a rolling bearing according to the present invention has an annular shape and is provided between an inner ring and an outer ring to protect a rolling member and has an insertion portion inserted into a shield insertion portion of an outer ring, Wherein the outer ring is formed with a guide surface formed radially inward from the axial surface, a shield groove surface concavedly extending from the guide surface, and a seating surface protruding radially inwardly from the guide surface in the radial direction outer side of the shield main body, Wherein a curved concave groove is formed so as to be axially inwardly bent from the end and open outwardly in the axial direction and the outer diameter of the insertion portion is formed to be larger than the inner diameter of the guide surface.

The outer diameter of the radially outer end of the insertion portion is smaller than the outer diameter of the insertion portion.

The inner diameter of the guide surface is larger than the diameter of the innermost axial portion of the insertion portion and smaller than the outer diameter of the insertion portion. When the shield is pressed inward in the axial direction by the outer ring, the insertion portion is radially inwardly pressed by the guide surface, Is inserted.

A method of manufacturing a rolling bearing according to the present invention is a method of manufacturing a rolling bearing comprising a guide surface formed radially inwardly from an axial surface, an outer ring formed with a shield groove surface concavely extending from the guide surface and a seating surface protruding and extending radially inwardly from the guide surface, An assembly preparation step for preparing the fuselage assembly; A shield preparing step of preparing a shield having an insertion portion formed with a concave groove so as to be axially inwardly bent from the radially outer end portion and to be opened axially outwardly and whose outer diameter is larger than the inner diameter of the guide surface; A shield assembly preliminary step of placing the shield in an opening formed between the inner ring and the outer ring; And a shield assembling step of pressing the shield inward in the axial direction so that the insertion portion is deformed while being pressed by the guide surface, and the insertion portion is inserted into the shield groove surface.

In this case, after the step of assembling the shield, the inserting portion is pressed against the inner surface of the guiding surface in the axial direction and the seating surface so as to be in contact with the guiding surface and the seating surface.

In the above-described shield assembly step, when the insertion groove of the shield which is axially outwardly outwardly inserted in the insertion portion is axially inwardly pressed and inserted at a predetermined depth, the shield is per se positioned.

The inner diameter of the guide surface is larger than the diameter of the innermost axial portion of the insertion portion and smaller than the outer diameter of the insertion portion. When the shield is pressed inward in the axial direction in the shielding step, the insertion portion is radially inwardly pressed .

The rolling bearing, the rolling bearing shield, and the method of manufacturing the same according to the present invention can minimize the deformation of the outer ring and reduce the width of the shield because a large external force is not applied to the outer ring during assembly, As the shield is assembled with resilience by elastic deformation, it is easy to assemble with a small pressure input.

1 is a perspective view showing a conventional rolling bearing,
FIG. 2 is a perspective view of a conventional rolling bearing partially cutaway,
3 is a partial cross-sectional view showing a conventional rolling bearing having a shield,
4 is a partial sectional view showing only the outer ring, the inner ring and the shield portion in FIG. 3,
5 is a partial cross-sectional view showing a rolling bearing according to an embodiment of the present invention,
6 is an enlarged cross-sectional view of a shield for a rolling bearing according to an embodiment of the present invention.

Hereinafter, the technical structure of a rolling bearing, a shield for a rolling bearing, and a method of manufacturing the same will be described in detail with reference to the accompanying drawings.

FIG. 5 is a partial cross-sectional view illustrating a rolling bearing according to an embodiment of the present invention, and FIG. 6 is an enlarged cross-sectional view illustrating a shield for a rolling bearing according to an embodiment of the present invention.

In the following description, the horizontal direction in Fig. 5 is the radial direction, and the vertical direction is the axial direction.

5 and 6, the rolling bearing 7 according to an embodiment of the present invention includes an inner ring 71, a radial outer side of the inner ring 71, and a radially inner shield insertion portion 731, A rolling member provided between the inner ring 71 and the outer ring 73 and a rolling member provided between the inner ring 71 and the outer ring 73 to protect the rolling member, And a shield 9 having an insertion portion 91 inserted into the insertion portion 91.

A retainer is provided between the inner ring (71) and the outer ring (73) to maintain the spacing between the rolling elements arranged along the trajectory. A plurality of rolling elements are arranged between the inner ring 71 and the outer ring 73 in the radial direction and the plurality of rolling elements are arranged in the radial direction on one side and the other side of the shaft 9 .

The outer race (73) is provided with shield insertion portions (731) on both sides in the axial direction of the raceway, spaced from the raceway in the axial direction. The outer ring 73 is provided with a guide surface 7311 convexly inward radially from the axial surface 735 and a shield groove surface 7315 extending concavely from the guide surface 7311 and a guide surface 7311 The radially inwardly protruding seating surface 7317 is formed. The guide surface 7311 may be formed as an axial guide surface extending in the axial direction from the axial surface 735 and an inclined surface inclined radially outward. The inclined surface is formed toward the axially inward side.

The shield inserting portion 731 is formed by continuously extending a guide surface 7311, a shield recess surface 7315 and a seating surface 7317 in order from the axial surface 735 of the outer ring 73 inward in the axial direction. The guide surface 7311 is formed radially inwardly convexly along the inside from the outside in the axial direction. The shield groove surface 7315 is located radially inward of the guide surface 7311. [ The shield recess 7315 is recessed radially outward from the guide surface 7311. The seating surface 7317 extends axially inwardly away from the guide surface 7311 and extends linearly so as to project radially inwardly of the radially inner end of the guide surface 7311. [

The shield 9 has a plate-like and annular body portion 92 and is provided with an insertion portion 91 at a radially outer end of the body portion 92 and a radially inner end extending toward the inner ring 71 . The inner end of the body portion 92 is spaced from the inner ring 71.

The insertion portion 91 is curved so as to have a bending portion 95 at the radially outer end of the body portion 92 and to bend inwardly inward and to have an axially outwardly open recessed portion 93. A part of the end of the insertion portion 91 is formed so as to be inclined to be radially inward. Therefore, the outer diameter D4 of the end portion is smaller than the outer diameter D2 of the insertion portion 91. The outer diameter D2 of the shield 9 is formed to be larger than the inner diameter D1 of the guide surface 7311 and smaller than the inner diameter of the shield groove surface 7315. [ The insertion portion 91 is formed in a curved shape so as to be axially outwardly open and to have a wide opening at the opening.

More specifically, the inner diameter D1 of the guide surface 7311 is larger than the diameter D3 of the axially innermost portion A of the insertion portion 91 and smaller than the outer diameter D2 of the insertion portion 91 do. When the shield 9 is pressed inwardly in the axial direction by the outer ring 73, the insertion portion 91 is pressed radially inward by the guide surface 7311 to reduce the opening of the insertion portion 91, . The outer diameter D2 of the shield 9 is formed to be smaller than the inner diameter of the shield recess 7315 so that a space is formed between the outer diameter D2 of the shield 9 and the shield recess 7315 after being inserted into the shield inserting portion 731 . The inserting portion 91 of the shield 9 is elastically deformed and attached to the shield inserting portion 731. When the inserting portion 91 is inserted into the shield inserting portion 731 and then removed again, The state is restored to almost the same state as the original state.

A method of manufacturing a rolling bearing according to an embodiment of the present invention will now be described with reference to FIGS. 5 and 6. FIG.

A method of manufacturing a rolling bearing according to an embodiment of the present invention includes an assembly preparation step, a shield preparation step, a shield assembly preparation step, and a shield assembly step.

In the assembly preparation step, outer ring 73, inner ring 71, rolling member and retainer assembly are prepared. The outer ring 73 is provided with a guide surface 7311 convexly inward radially from the axial surface 735 and a shield groove surface 7315 extending concavely from the guide surface 7311 and a guide surface 7311 at the shield groove surface 7315. [ A seating surface 7317 which protrudes and extends radially inward is formed.

In the shield preparing step, the shield 9 is prepared. The shield (9) has an insert (91) which is curved axially inwardly from the radially outer end and forms a concave recess (93) to open axially outward. The outer diameter D2 of the insertion portion 91 is formed to be larger than the inner diameter D1 of the guide surface 7311. [ More specifically, the inner diameter D1 of the guide surface 7311 is larger than the diameter D3 of the axially innermost portion A of the insertion portion 91 and smaller than the outer diameter D2 of the insertion portion 91 do.

In the shield assembly preliminary step, the shield (9) is seated in the opening formed between the inner ring (71) and the outer ring (73). The axially inner bent portion of the insertion portion 91 of the shield 9 extends over the boundary edge portion between the axial surface 735 of the outer ring 73 and the guide surface 7311. [

The main body 92 of the shield 9 is pressurized inward in the axial direction so that the insertion portion 91 is deformed while being pressed by the guide surface 7311 so that the insertion portion 91 is inserted into the shield groove surface 7315 . The external force F is applied axially inwardly to the concave groove 93 of the shield 9 opened axially outward in the insertion portion 91 in the shield assembly step. When the shield 9 is elastically deformed and inserted to a certain depth inward in the axial direction, the shield 9 is settled by itself. 6, an external force F is applied axially inwardly to the shield 9 to assemble the shield 9 so as to extend radially inward at the bent portion 95 of the shield 9 in a flat manner.

The insertion portion 91 is pressed by the guide surface 7311 and the seating surface 7317 so as to be in contact with the inner surface in the axial direction of the guide surface 7311 and the seating surface 7317. [ When the shield 9 is pressed inwardly in the axial direction in the shielding step, the insertion portion 91 is radially inwardly pressed by the guide surface 7311.

In Fig. 6, the solid line of the shield 9 is in a state before being pressed, and the dotted line is in a state after being pressed. The end portion of the insertion portion 91 is curved radially inward and the end portion of the insertion portion 91, that is, the deformation portion is inserted into the guide surface 7311, and then inserted into the shield groove surface 7315 along the inner surface of the guide surface 7311 in the axial direction.

The insertion portion 91 has a property of resiliently restoring toward the radially outward side and is configured to receive the axial direction inner side surface of the guide surface 7311 and the seating surface 7317 in the state where the insertion portion 91 is inserted into the shield groove surface 7315, To the outside in the radial direction.

The rolling bearing, the rolling bearing shield, and the method of manufacturing the same according to the present invention have been described with reference to the embodiments shown in the drawings, but the present invention is merely illustrative and any person skilled in the art can make various modifications and equivalent other embodiments It is understandable. Accordingly, the scope of the true technical protection should be determined by the technical idea of the appended claims.

7: Rolling bearings
71: inner ring 73: outer ring
731: shield insertion portion 7311: guide surface
7315: Shield groove 7317: Seat face
9: Shield
91: insertion part 93: concave groove
95:

Claims (10)

An outer ring 73 provided on an outer side in the radial direction of the inner ring 71 and formed with a shield insertion portion 731 on an inner side in the radial direction and an outer ring 73 formed between the inner ring 71 and the outer ring 73 , And a shield (9) provided between the inner ring (71) and the outer ring (73) and having an insertion portion (91) inserted into the shield insertion portion (731) Lt; / RTI > The outer ring 73 is provided with a guide surface 7311 formed radially inwardly from the axial surface 735 and a shield groove surface 7315 extending concavely from the guide surface 7311 and a guide groove 7315 having a radius larger than the guide surface 7311 at the shield groove surface 7315. [ And the insertion portion 91 is bent axially inward from the radially outer end of the shield body 9 and extends outwardly in the axial direction so as to be opened in the outward direction. And the outer diameter D2 of the insertion portion 91 is formed to be larger than the inner diameter D1 of the guide surface 7311. The rolling bearing according to claim 1, The insertion device according to claim 1, wherein an inner diameter (D1) of the guide surface (7311) is larger than a diameter (D3) of an axially inner most portion (A) of the insertion portion (91) So that when the shield 9 is pressed inwardly in the axial direction by the outer ring 73, the insertion portion 91 is radially inwardly pressed by the guide surface 7311 and inserted into the shield groove surface 7315 bearing. The rolling bearing according to claim 1, wherein an outer diameter (D2) of the insertion portion (91) is smaller than an inner diameter of the shield recessed surface (7315). And an insertion portion 91 provided in the annular shape and provided between the inner ring 71 and the outer ring 73 to protect the rolling member and inserted into the shield insertion portion 731 of the outer ring 73, A shield (9) comprising: The outer ring 73 is provided with a guide surface 7311 formed radially inwardly from the axial surface 735 and a shield groove surface 7315 extending concavely from the guide surface 7311 and a guide groove 7315 having a radius larger than the guide surface 7311 at the shield groove surface 7315. [ And the insertion portion 91 is bent axially inward from the radially outer end of the shield body 9 and extends outwardly in the axial direction so as to be opened in the outward direction. And the outer diameter D2 of the insertion portion 91 is formed to be larger than the inner diameter D1 of the guide surface 7311. The shield for a rolling bearing according to claim 1, The shield for rolling bearings according to claim 4, wherein an outer diameter (D4) of the radially outer end of the insertion portion (91) is smaller than an outer diameter (D2) of the insertion portion (91). 5. The apparatus according to claim 4, wherein the inner diameter D1 of the guide surface 7311 is larger than the diameter D3 of the axially outermost portion A of the insertion portion 91 and is larger than the outer diameter D2 of the insertion portion 91 So that when the shield 9 is pressed inwardly in the axial direction by the outer ring 73, the insertion portion 91 is radially inwardly pressed by the guide surface 7311 and inserted into the shield groove surface 7315 Shield for bearings. A guiding surface 7311 formed radially inwardly from the axial surface 735 and a shield guiding surface 7315 extending concavely from the guiding surface 7311 and a guiding surface 7315 protruding and extending inward in the radial direction from the guiding surface 7311 An assembly preparing step of preparing the outer ring 73, the inner ring 71 and the rolling element assembly on which the seating surface 7317 is formed; And an insertion portion 91 which is curved inwardly from the radially outer end portion in the axial direction so as to be curved to be opened axially outward and the outer diameter D2 of the insertion portion 91 is smaller than the outer diameter D2 of the guide surface 7311 (D) of the shield (9); A shield assembly preliminary step of placing the shield (9) in an opening formed between the inner ring (71) and the outer ring (73); And a shield assembling step in which the inserting portion 91 is deformed while being pressed by the guiding surface 7311 so that the inserting portion 91 is inserted into the shielding concave surface 7315 by pressing the shield 9 inward in the axial direction, Of the rolling bearing. 8. The method according to claim 7, wherein after the step of assembling the shield, the insert portion (91) is pressed by the bearing surface (7317) and the surface facing the axially inward side of the guide surface (7311) to contact the guide surface (7311) Wherein the rolling bearing is a roller bearing. 9. The method according to claim 7, wherein in the shielding step, when the concave groove (93) of the shield (9) opened axially outward in the insertion portion (91) is axially inwardly pressed and inserted at a predetermined depth, Wherein the rolling bearing comprises a rolling bearing. 8. The method as claimed in claim 7, wherein the inner diameter D1 of the guide surface 7311 is larger than the diameter D3 of the axially outermost portion A of the insertion portion 91 and less than the outer diameter D2 of the insertion portion 91 And the insertion portion (91) is radially inwardly pressed by the guide surface (7311) when the shield (9) is pressed inward in the axial direction in the shield assembly step.
KR1020150145615A 2015-10-19 2015-10-19 Rolling bearing, Shield for rolling bearing and Method for assembling the same KR101756542B1 (en)

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KR1020150145615A KR101756542B1 (en) 2015-10-19 2015-10-19 Rolling bearing, Shield for rolling bearing and Method for assembling the same

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KR101756542B1 KR101756542B1 (en) 2017-07-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190010967A (en) 2017-07-24 2019-02-01 셰플러코리아(유) A Shield For Rolling Bearing And A Rolling Bearing Having The Shield

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004183728A (en) * 2002-12-02 2004-07-02 Nsk Ltd Clutch release bearing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190010967A (en) 2017-07-24 2019-02-01 셰플러코리아(유) A Shield For Rolling Bearing And A Rolling Bearing Having The Shield

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