JPS63180726U - - Google Patents

Info

Publication number
JPS63180726U
JPS63180726U JP1987070977U JP7097787U JPS63180726U JP S63180726 U JPS63180726 U JP S63180726U JP 1987070977 U JP1987070977 U JP 1987070977U JP 7097787 U JP7097787 U JP 7097787U JP S63180726 U JPS63180726 U JP S63180726U
Authority
JP
Japan
Prior art keywords
outer ring
utility
speed rotation
model registration
inner ring
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
Application number
JP1987070977U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1987070977U priority Critical patent/JPS63180726U/ja
Publication of JPS63180726U publication Critical patent/JPS63180726U/ja
Pending legal-status Critical Current

Links

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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
    • F16C33/6681—Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
    • F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
    • 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
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
    • F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
    • 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
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/24—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly
    • F16C19/28—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with two or more rows of rollers
    • 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
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F16C19/541—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing
    • F16C19/542—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing with two rolling bearings with angular contact
    • F16C19/543—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing with two rolling bearings with angular contact in O-arrangement
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/34—Rollers; Needles
    • F16C33/36—Rollers; Needles with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the bearing surfaces
    • F16C33/363—Rollers; Needles with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the bearing surfaces with grooves in the bearing-surfaces

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の第一実施例の軸受を工作機械
の主軸に組込んだ場合の縦断面図、第２図は第１
図の軸受の拡大断面図、第３図は本考案の第二実
施例の軸受の断面図、第４図は本考案の第三実施
例の軸受の断面図、第５図は第４図の変形として
ころに油溝を設けた場合のころの正面図、第６図
は従来装置の縦断面図である。 ３１，３１′，３１″……外輪、３１Ａ……軌
道面、３２，３２′，３２″………内輪、３４，
３４′，３４″……転動体、３７，３７′，３７
″，３７Ｂ，３７′Ｂ，３７″Ｂ……ノズル孔。 Figure 1 is a vertical cross-sectional view of the first embodiment of the bearing installed in the main shaft of a machine tool, and Figure 2 is the first embodiment of the bearing.
3 is a sectional view of the bearing according to the second embodiment of the present invention, FIG. 4 is a sectional view of the bearing according to the third embodiment of the present invention, and FIG. 5 is a sectional view of the bearing according to the third embodiment of the present invention. FIG. 6 is a front view of the roller in the case where an oil groove is provided in the roller as a modification, and a longitudinal sectional view of the conventional device. 31, 31', 31''... Outer ring, 31A... Raceway surface, 32, 32', 32''... Inner ring, 34,
34', 34''...Rolling element, 37, 37', 37
″, 37B, 37′B, 37″B... Nozzle hole.

Claims (1)

【実用新案登録請求の範囲】 (1) 同心に配された外輪及び内輪と、該外輪と
内輪との間の環状空間に配された複数の転動体と
を備え、 外輪及び内輪の少なくとも一方には、転動体と
間隙を保つ領域に、外部から潤滑剤を供給するた
めに転動体に指向するノズル孔が穿設されている
、 こととする高速回転用ころがり軸受。 (2) ノズル孔は軌道面に設けられていることを
特徴とする実用新案登録請求の範囲第(1)項記載
の高速回転用ころがり軸受。 (3) ノズル孔は外輪に穿設されていることを特
徴とする実用新案登録請求の範囲第(1)項または
第(2)項記載の高速回転用ころがり軸受。[Claims for Utility Model Registration] (1) An outer ring and an inner ring arranged concentrically, and a plurality of rolling elements arranged in an annular space between the outer ring and the inner ring, and at least one of the outer ring and the inner ring. A rolling bearing for high-speed rotation, in which nozzle holes facing the rolling elements are drilled in an area that maintains a gap with the rolling elements to supply lubricant from the outside. (2) A rolling bearing for high-speed rotation according to claim (1) of the utility model registration, characterized in that the nozzle hole is provided on the raceway surface. (3) A rolling bearing for high-speed rotation according to claim 1 or 2 of the utility model registration, characterized in that the nozzle hole is formed in the outer ring.
JP1987070977U 1987-05-14 1987-05-14 Pending JPS63180726U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987070977U JPS63180726U (en) 1987-05-14 1987-05-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987070977U JPS63180726U (en) 1987-05-14 1987-05-14

Publications (1)

Publication Number Publication Date
JPS63180726U true JPS63180726U (en) 1988-11-22

Family

ID=30913113

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987070977U Pending JPS63180726U (en) 1987-05-14 1987-05-14

Country Status (1)

Country Link
JP (1) JPS63180726U (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05263830A (en) * 1992-03-23 1993-10-12 Toyoda Mach Works Ltd Main shaft device
JP2007132496A (en) * 2005-11-14 2007-05-31 Ntn Corp Double row tapered roller bearing
JP2007192378A (en) * 2006-01-23 2007-08-02 Jtekt Corp Hub unit, method of manufacturing hub unit and method of transporting hub unit
JP2008133898A (en) * 2006-11-28 2008-06-12 Ntn Corp Rolling bearing
JP2011149463A (en) * 2010-01-20 2011-08-04 Ntn Corp Rolling bearing
KR20140033427A (en) 2011-06-30 2014-03-18 엔티엔 가부시키가이샤 Rolling bearing
US8753016B2 (en) 2002-07-29 2014-06-17 Nsk Ltd. Rolling bearing, grease supply system, spindle unit, grease supply method, and grease supply program
KR20150072401A (en) * 2012-08-21 2015-06-29 넥센 그룹 인코포레이티드 Strain Wave Gear System
WO2015172783A1 (en) * 2014-05-15 2015-11-19 Schaeffler Technologies AG & Co. KG Rolling bearing and method for operating a rolling bearing
JP2016516969A (en) * 2013-05-08 2016-06-09 シェフラー テクノロジーズ アー・ゲー ウント コー． カー・ゲーＳｃｈａｅｆｆｌｅｒ Ｔｅｃｈｎｏｌｏｇｉｅｓ ＡＧ ＆ Ｃｏ． ＫＧ Grease lubricated angular contact ball bearings
WO2018034246A1 (en) * 2016-08-15 2018-02-22 日本精工株式会社 Ball bearing, and machine tool spindle device
WO2018088226A1 (en) * 2016-11-10 2018-05-17 Ntn株式会社 Bearing device
EP3492760A4 (en) * 2016-07-29 2019-07-31 NSK Ltd. Ball bearing
EP1541884B1 (en) * 2002-07-29 2020-04-15 Nsk Ltd. Rolling bearing, grease replenishing device, main shaft device, grease replenishing method, and grease replenishing program
US11174929B2 (en) 2012-08-21 2021-11-16 Nexen Group, Inc. Strain wave gear system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5225496A (en) * 1975-08-21 1977-02-25 Soujirou Murase Male function recovering and retaining instrument

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5225496A (en) * 1975-08-21 1977-02-25 Soujirou Murase Male function recovering and retaining instrument

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05263830A (en) * 1992-03-23 1993-10-12 Toyoda Mach Works Ltd Main shaft device
EP1541884B1 (en) * 2002-07-29 2020-04-15 Nsk Ltd. Rolling bearing, grease replenishing device, main shaft device, grease replenishing method, and grease replenishing program
US8753016B2 (en) 2002-07-29 2014-06-17 Nsk Ltd. Rolling bearing, grease supply system, spindle unit, grease supply method, and grease supply program
JP4519060B2 (en) * 2005-11-14 2010-08-04 Ｎｔｎ株式会社 Double row tapered roller bearing
JP2007132496A (en) * 2005-11-14 2007-05-31 Ntn Corp Double row tapered roller bearing
JP2007192378A (en) * 2006-01-23 2007-08-02 Jtekt Corp Hub unit, method of manufacturing hub unit and method of transporting hub unit
JP2008133898A (en) * 2006-11-28 2008-06-12 Ntn Corp Rolling bearing
JP2011149463A (en) * 2010-01-20 2011-08-04 Ntn Corp Rolling bearing
KR20140033427A (en) 2011-06-30 2014-03-18 엔티엔 가부시키가이샤 Rolling bearing
DE112012002734B4 (en) 2011-06-30 2022-12-22 Ntn Corporation Rolling bearing device, combined rolling bearing unit and machine tool main shaft
US11852229B2 (en) 2012-08-21 2023-12-26 Nexen Group, Inc. Strain wave gear system
JP2015526669A (en) * 2012-08-21 2015-09-10 ネクセン・グループ・インコーポレイテッドＮｅｘｅｎ Ｇｒｏｕｐ， Ｉｎｃ． Wave gear system
KR20150072401A (en) * 2012-08-21 2015-06-29 넥센 그룹 인코포레이티드 Strain Wave Gear System
US10077829B2 (en) 2012-08-21 2018-09-18 Nexen Group, Inc. Strain wave gear system
US11174929B2 (en) 2012-08-21 2021-11-16 Nexen Group, Inc. Strain wave gear system
JP2016516969A (en) * 2013-05-08 2016-06-09 シェフラー テクノロジーズ アー・ゲー ウント コー． カー・ゲーＳｃｈａｅｆｆｌｅｒ Ｔｅｃｈｎｏｌｏｇｉｅｓ ＡＧ ＆ Ｃｏ． ＫＧ Grease lubricated angular contact ball bearings
WO2015172783A1 (en) * 2014-05-15 2015-11-19 Schaeffler Technologies AG & Co. KG Rolling bearing and method for operating a rolling bearing
EP3492760A4 (en) * 2016-07-29 2019-07-31 NSK Ltd. Ball bearing
WO2018034246A1 (en) * 2016-08-15 2018-02-22 日本精工株式会社 Ball bearing, and machine tool spindle device
EP3499066A4 (en) * 2016-08-15 2019-07-31 NSK Ltd. Ball bearing, and machine tool spindle device
US11092193B2 (en) 2016-08-15 2021-08-17 Nsk Ltd. Ball bearing, and machine tool spindle device
JP2018028330A (en) * 2016-08-15 2018-02-22 日本精工株式会社 Ball bearing and spindle device for machine tool
CN109937310A (en) * 2016-11-10 2019-06-25 Ntn株式会社 Bearing arrangement
WO2018088226A1 (en) * 2016-11-10 2018-05-17 Ntn株式会社 Bearing device

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