JPH03121225U - - Google Patents
Info
- Publication number
- JPH03121225U JPH03121225U JP3127390U JP3127390U JPH03121225U JP H03121225 U JPH03121225 U JP H03121225U JP 3127390 U JP3127390 U JP 3127390U JP 3127390 U JP3127390 U JP 3127390U JP H03121225 U JPH03121225 U JP H03121225U
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- seal
- outer diameter
- ring
- rolling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims 2
- 230000001154 acute effect Effects 0.000 claims 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- 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
- F16C33/7853—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 one or more sealing lips to contact the inner race
- F16C33/7856—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 one or more sealing lips to contact the inner race with a single sealing lip
-
- 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
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
Description
第１図は実施例の拡大断面図、第２図は摩耗時
の状態を示す一部拡大断面図、第３図は従来例の
一部拡大断面図である。
２０……外輪、２１……内輪、２２……転動体
、２３……保持器、２４……ランド、２５……外
輪端面、２６……シール保持溝、２７……転走面
、２８……ランド、２９……内輪端面、３０……
シール溝、３１……内側内壁面、３２……外側内
壁面、３３……小径ランド、３５……シール部材
、３６……芯金、３７……弾性材、３９……凹入
部、４０……凹所、４１……くびれ部、４２……
第１のリツプ、４３……第２のリツプ、４４……
ラビリンスすき間、４５……第３のリツプ、４６
……ラビリンスすき間。
FIG. 1 is an enlarged sectional view of the embodiment, FIG. 2 is a partially enlarged sectional view showing the state at the time of wear, and FIG. 3 is a partially enlarged sectional view of the conventional example. 20... Outer ring, 21... Inner ring, 22... Rolling element, 23... Cage, 24... Land, 25... Outer ring end surface, 26... Seal retaining groove, 27... Rolling surface, 28... Land, 29... Inner ring end surface, 30...
Seal groove, 31... Inner inner wall surface, 32... Outer inner wall surface, 33... Small diameter land, 35... Seal member, 36... Core metal, 37... Elastic material, 39... Recessed portion, 40... Recess, 41... Constriction, 42...
First lip, 43...Second lip, 44...
Labyrinth gap, 45...Third lip, 46
...Labyrinth gap.
Claims (1)
シール部材を介在し、そのシール部材の外径部を
外輪に固定すると共に、内径部に形成したリツプ
を内輪外径面に接触させてシールを図るようにし
た転がり軸受のシール構造において、内輪外径面
の転動体転走面の少なくとも一側にランドを形成
すると共に、そのランドの外側にシール溝を形成
し、シール溝の内側内壁面に内輪の軸線に対して
鋭角となるテーパを付与し、シール部材の内径部
に形成したリツプを軸方向のしめしろをもつて上
記の内側内壁面に接触させたことを特徴とする転
がり軸受のシール構造。 A seal member is interposed between the inner diameter surface of the bearing outer ring and the outer diameter surface of the bearing inner ring, the outer diameter part of the seal member is fixed to the outer ring, and the lip formed on the inner diameter part is brought into contact with the inner ring outer diameter surface. In a seal structure for a rolling bearing that aims at sealing, a land is formed on at least one side of the rolling element rolling surface on the outer diameter surface of the inner ring, a seal groove is formed on the outside of the land, and a seal groove is formed on the inside of the seal groove. A rolling device characterized in that the inner wall surface is tapered at an acute angle with respect to the axis of the inner ring, and a lip formed on the inner diameter portion of the sealing member is brought into contact with the inner inner wall surface with an axial interference. Bearing seal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3127390U JPH03121225U (en) | 1990-03-27 | 1990-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3127390U JPH03121225U (en) | 1990-03-27 | 1990-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03121225U true JPH03121225U (en) | 1991-12-12 |
Family
ID=31534014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3127390U Pending JPH03121225U (en) | 1990-03-27 | 1990-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03121225U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010507202A (en) * | 2006-10-16 | 2010-03-04 | クニュール アーゲー | Power rail system |
| JP2012197940A (en) * | 2006-03-27 | 2012-10-18 | Ntn Corp | Rolling bearing |
-
1990
- 1990-03-27 JP JP3127390U patent/JPH03121225U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012197940A (en) * | 2006-03-27 | 2012-10-18 | Ntn Corp | Rolling bearing |
| JP2010507202A (en) * | 2006-10-16 | 2010-03-04 | クニュール アーゲー | Power rail system |