WO2008110139A3 - Multi-row roller bearing - Google Patents

Multi-row roller bearing Download PDF

Info

Publication number
WO2008110139A3
WO2008110139A3 PCT/DE2008/000383 DE2008000383W WO2008110139A3 WO 2008110139 A3 WO2008110139 A3 WO 2008110139A3 DE 2008000383 W DE2008000383 W DE 2008000383W WO 2008110139 A3 WO2008110139 A3 WO 2008110139A3
Authority
WO
WIPO (PCT)
Prior art keywords
rolling elements
rows
pair
roller bearing
alignment
Prior art date
Application number
PCT/DE2008/000383
Other languages
German (de)
French (fr)
Other versions
WO2008110139A2 (en
Inventor
Holger Grieser
Original Assignee
Schaeffler Kg
Holger Grieser
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 by Schaeffler Kg, Holger Grieser filed Critical Schaeffler Kg
Publication of WO2008110139A2 publication Critical patent/WO2008110139A2/en
Publication of WO2008110139A3 publication Critical patent/WO2008110139A3/en

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
    • 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
    • F16C19/34—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 both radial and axial load
    • F16C19/38—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 both radial and axial load with two or more rows of rollers
    • F16C19/383—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 both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
    • F16C19/388—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 both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with four rows, i.e. four row tapered roller bearings
    • 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
    • F16C33/46—Cages for rollers or needles
    • 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
    • F16C33/46—Cages for rollers or needles
    • F16C33/52—Cages for rollers or needles with no part entering between, or touching, the bearing surfaces of the rollers
    • F16C33/523—Cages for rollers or needles with no part entering between, or touching, the bearing surfaces of the rollers with pins extending into holes or bores on the axis of the rollers
    • F16C33/526—Cages for rollers or needles with no part entering between, or touching, the bearing surfaces of the rollers with pins extending into holes or bores on the axis of the rollers extending through the rollers and joining two lateral cage parts

Landscapes

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

Abstract

The invention relates to a multi-row roller bearing which comprises at least one pair of rows of rolling elements (10a, 10b) arranged in X alignment, the two rolling element rows (6, 7; 8, 9) of the at least one pair of rows having the same number of rolling elements and the same rotational speed about the longitudinal axis of the roller bearing. The rolling elements (10a, 10b) of the pair of rows roll off on a rimless outer bearing ring (1, 2, 3) and on a rimless inner bearing ring (4, 5). The rolling elements (10a, 10b) have respective axial throughbores (11) and a common fixing pin (12) which is bent in its center to match the X alignment of the rolling elements (10a, 10b) of the pair of rows extends through axially adjacent rolling elements (10a, 10b). A rotationally symmetric spacer element (15) having contact surfaces (16) that are convex in relation to the axial direction is arranged between the two axially adjacent rolling elements (10a, 10b), the fixing pin likewise extending therethrough, thereby resulting in an improved axial force transmission and mutual guidance of the rolling elements (10a, 10b).
PCT/DE2008/000383 2007-03-09 2008-03-04 Multi-row roller bearing WO2008110139A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007011532.8 2007-03-09
DE102007011532A DE102007011532A1 (en) 2007-03-09 2007-03-09 Multi-row roller bearing

Publications (2)

Publication Number Publication Date
WO2008110139A2 WO2008110139A2 (en) 2008-09-18
WO2008110139A3 true WO2008110139A3 (en) 2009-03-12

Family

ID=39677977

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2008/000383 WO2008110139A2 (en) 2007-03-09 2008-03-04 Multi-row roller bearing

Country Status (2)

Country Link
DE (1) DE102007011532A1 (en)
WO (1) WO2008110139A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3314135B1 (en) * 2015-06-26 2019-08-28 Forum US, Inc. Cage for double-row spherical bearing

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1283713A (en) * 1916-07-27 1918-11-05 Skf Svenska Kullagerfab Ab Roller-bearing.
US1410988A (en) * 1920-12-13 1922-03-28 John B Birgh Roller bearing
US1418277A (en) * 1920-06-07 1922-06-06 John B Birgh Roller bearing
US1543039A (en) * 1922-05-23 1925-06-23 Lambert H Vervoort Bearing
US1790869A (en) * 1931-02-03 Double row ball or roller bearing
FR1034570A (en) * 1950-03-29 1953-07-27 Tapered roller bearing systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1885852A (en) * 1929-08-13 1932-11-01 Medved Nicholas Double thrust roller bearing
US2398459A (en) * 1944-02-07 1946-04-16 Paul E Province Roller bearing
US6238095B1 (en) * 1999-01-06 2001-05-29 The Timken Company Relieved tapered roller bearing with true rolling contacts

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1790869A (en) * 1931-02-03 Double row ball or roller bearing
US1283713A (en) * 1916-07-27 1918-11-05 Skf Svenska Kullagerfab Ab Roller-bearing.
US1418277A (en) * 1920-06-07 1922-06-06 John B Birgh Roller bearing
US1410988A (en) * 1920-12-13 1922-03-28 John B Birgh Roller bearing
US1543039A (en) * 1922-05-23 1925-06-23 Lambert H Vervoort Bearing
FR1034570A (en) * 1950-03-29 1953-07-27 Tapered roller bearing systems

Also Published As

Publication number Publication date
DE102007011532A1 (en) 2008-09-11
WO2008110139A2 (en) 2008-09-18

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