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GB2298682A - Ball bearing and bearing ball therefor - Google Patents

Ball bearing and bearing ball therefor Download PDF

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Publication number
GB2298682A
GB2298682A GB9506205A GB9506205A GB2298682A GB 2298682 A GB2298682 A GB 2298682A GB 9506205 A GB9506205 A GB 9506205A GB 9506205 A GB9506205 A GB 9506205A GB 2298682 A GB2298682 A GB 2298682A
Authority
GB
United Kingdom
Prior art keywords
ball
bearing
therefor
flats
cage
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.)
Withdrawn
Application number
GB9506205A
Other versions
GB9506205D0 (en
Inventor
Peter Thomas Cornish
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Torrington Co Ltd
Timken US LLC
Original Assignee
Torrington Co Ltd
Torrington Co
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 Torrington Co Ltd, Torrington Co filed Critical Torrington Co Ltd
Publication of GB9506205D0 publication Critical patent/GB9506205D0/en
Publication of GB2298682A publication Critical patent/GB2298682A/en
Withdrawn legal-status Critical Current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
    • F16C33/34—Rollers; Needles
    • F16C33/36—Rollers; Needles with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the bearing surfaces
    • 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
    • F16C19/26—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 a single row of rollers

Landscapes

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

Description

BALL BlARING AND BlARING BALL THEREFOR This invention relates to a ball bearing with a cage and the bearing balls therefor.
In certain applications, it is required to reduce the overall width of a ball bearing with a cage and, if the ball diameter cannot be reduced with respect to the distance between the tracks of the outer and inner bearing, then the present construction is intended to provide a means to achieve a bearing width reduction in particular applications where the bearing is basically subject only to radial loading.
According to one aspect of the present invention, there is provided a bearing ball of spherical form but provided with at least one flat.
According to another aspect of the present invention, there is provided a ball bearing with a cage and having bearing balls, each bearing ball being of spherical form but provided with at least one flat.
Preferably, two opposed parallel flats are provided. To achieve minimum width of bearing, the two flats are located equi-distant from the centre of the ball. Alternatively, the two flats can be located at different distances from the centre of the ball.
For a better understanding of the invention and to show how the same may be carried into effect, reference will now be made, by way of example, to the accompanying drawing, in which: Figure 1 is a diagrammatic sectional view of a ball bearing with a cage, and Figures 2 and 3 are views, similar to Figure 1, of respective modifications.
Referring to Figure 1, it will be seen that the ball bearing comprises an outer bearing ring 1, an inner bearing ring 2, a two-piece cage 3 and a ball 4. The cage could instead be a one-piece cage or otherwise as desired for the particular application.
Each ball 4 of the bearing is of basically spherical form but the extent of the spherical surface 4A is limited to a desired proportion of that of a complete sphere of the same diameter, by being provided with opposed, parallel flats 5, 6 located equi-distant from the centre 7 of the ball 4.
Balls 4 of this shape are then fitted in the bearing rings 1, 2, with the cage 3 being formed with pockets to constrain the balls 4 such that the spherical surface 4A of each ball 4 will always be presented to the respective tracks of the outer and inner rings 1, 2.
The modification shown in Figure 2 shows the possibility of two opposed flats 5A, 6A, which are not equi-distant from the centre 7 of the ball 4.
The modification shown in Figure 3 shows another possibility where only one flat 6B is provided, the opposed "non-running" surface SB retaining its spherical form.
In all embodiments, the diameter of the spherical surface 4A is maintained so as to run on the tracks of the bearing rings 1, 2.

Claims (7)

CLAIMS:
1. A bearing ball of spherical form but provided with at least one flat.
2. A ball bearing with a cage and having bearing balls, each bearing ball being of spherical form but provided with at least one flat.
3. A bearing ball or ball bearing according to claim 1 or 2, respectively, wherein two opposed parallel flats are provided.
4. A bearing ball or ball bearing according to claim 3, wherein the two flats are located equi-distant from the centre of the ball.
5. A bearing ball or ball bearing according to claim 3, wherein the two flats are located at different distances from the centre of the ball.
6. A bearing ball, substantially as hereinbefore described with reference to Figure 1 or Figure 2 or Figure 3 of the accompany drawing.
7. A ball bearing, substantially as hereinbefore described with reference to Figure 1 or Figure 2 or Figure 3 of the accompanying drawing.
GB9506205A 1995-03-10 1995-03-27 Ball bearing and bearing ball therefor Withdrawn GB2298682A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9504826.0A GB9504826D0 (en) 1995-03-10 1995-03-10 Ball bearing and bearing ball therefor

Publications (2)

Publication Number Publication Date
GB9506205D0 GB9506205D0 (en) 1995-05-17
GB2298682A true GB2298682A (en) 1996-09-11

Family

ID=10770956

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9504826.0A Pending GB9504826D0 (en) 1995-03-10 1995-03-10 Ball bearing and bearing ball therefor
GB9506205A Withdrawn GB2298682A (en) 1995-03-10 1995-03-27 Ball bearing and bearing ball therefor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9504826.0A Pending GB9504826D0 (en) 1995-03-10 1995-03-10 Ball bearing and bearing ball therefor

Country Status (1)

Country Link
GB (2) GB9504826D0 (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005014556A1 (en) * 2005-03-31 2006-10-05 Schaeffler Kg Radial rolling bearings, in particular single row deep groove ball bearings
DE102005059032A1 (en) * 2005-12-10 2007-06-14 Schaeffler Kg Radial rolling bearings, in particular single-row grooved rolling bearings
DE102005059033A1 (en) * 2005-12-10 2007-06-28 Schaeffler Kg Radial rolling bearings, in particular single-row grooved rolling bearings
DE102005061792A1 (en) * 2005-12-23 2007-07-05 Schaeffler Kg Radial rolling bearing especially for vehicle transmissions has at least one axial flange defining grooved track between inner and outer bearing ring radially reduced height for fitting increased number of balls in axial assembly process
FR2898553A1 (en) * 2006-03-14 2007-09-21 Faurecia Sieges Automobile Vehicle seat base height adjusting mechanism, has pinch rollers wedged between cam surface e.g. output unit, and blocking surface, where each roller has lateral surface presenting convex curve over entire height of roller
DE102006019230A1 (en) * 2006-04-26 2007-10-31 Schaeffler Kg Radial rolling bearing, in particular single row ball roller bearing
DE102006035163A1 (en) * 2006-07-29 2008-01-31 Schaeffler Kg Diagonal separable bearing i.e. clutch release bearing, for switching separation clutch, has roller body designed as ball roller, where width of body is reduced to certain percentages between side surfaces opposite to diameter of ball base
DE102006050445A1 (en) * 2006-10-26 2008-04-30 Schaeffler Kg Roller bearing ball for dry/media lubrication, has main symmetrical axis, at whose end diametrical flat portions are provided in ball surface, and spherical rolling surface that rolls on bearing surface of roller bearing during operation
WO2008068122A1 (en) * 2006-12-06 2008-06-12 Schaeffler Kg Shift-type separating clutch for a shift transmission
DE102006060677A1 (en) * 2006-12-21 2008-06-26 Schaeffler Kg Fluid friction clutch, for example for vehicle applications
DE102006060550A1 (en) * 2006-12-21 2008-06-26 Schaeffler Kg Bearing arrangement for a fast rotating electric machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB249806A (en) * 1925-03-28 1926-05-13 Karl Oskar Leon Improvements in roller bearings
GB482987A (en) * 1937-04-24 1938-04-08 Johann Modler Improvements in or relating to rolling bearings
GB1369501A (en) * 1971-01-05 1974-10-09 Secr Defence Rolling element bearings
US3905660A (en) * 1974-03-12 1975-09-16 Nasa Drilled ball bearing with a one piece anti-tipping cage assembly
US4741632A (en) * 1986-04-01 1988-05-03 Honeywell Inc. Constant torque ball bearing
DE4334195A1 (en) * 1993-10-07 1994-03-24 Geuer Mann Ernst Radial rolling bearing assembly - has ball discs between inner and outer rings inserted axially and turned to roll on rolling track

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB249806A (en) * 1925-03-28 1926-05-13 Karl Oskar Leon Improvements in roller bearings
GB482987A (en) * 1937-04-24 1938-04-08 Johann Modler Improvements in or relating to rolling bearings
GB1369501A (en) * 1971-01-05 1974-10-09 Secr Defence Rolling element bearings
US3905660A (en) * 1974-03-12 1975-09-16 Nasa Drilled ball bearing with a one piece anti-tipping cage assembly
US4741632A (en) * 1986-04-01 1988-05-03 Honeywell Inc. Constant torque ball bearing
DE4334195A1 (en) * 1993-10-07 1994-03-24 Geuer Mann Ernst Radial rolling bearing assembly - has ball discs between inner and outer rings inserted axially and turned to roll on rolling track

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005014556A1 (en) * 2005-03-31 2006-10-05 Schaeffler Kg Radial rolling bearings, in particular single row deep groove ball bearings
DE102005059032A1 (en) * 2005-12-10 2007-06-14 Schaeffler Kg Radial rolling bearings, in particular single-row grooved rolling bearings
DE102005059033A1 (en) * 2005-12-10 2007-06-28 Schaeffler Kg Radial rolling bearings, in particular single-row grooved rolling bearings
DE102005061792A1 (en) * 2005-12-23 2007-07-05 Schaeffler Kg Radial rolling bearing especially for vehicle transmissions has at least one axial flange defining grooved track between inner and outer bearing ring radially reduced height for fitting increased number of balls in axial assembly process
FR2898553A1 (en) * 2006-03-14 2007-09-21 Faurecia Sieges Automobile Vehicle seat base height adjusting mechanism, has pinch rollers wedged between cam surface e.g. output unit, and blocking surface, where each roller has lateral surface presenting convex curve over entire height of roller
US8047723B2 (en) 2006-04-26 2011-11-01 Schaeffler Technologies Gmbh & Co. Kg Single-row spherical roller bearing with increased axial load capacity
DE102006019230A1 (en) * 2006-04-26 2007-10-31 Schaeffler Kg Radial rolling bearing, in particular single row ball roller bearing
DE102006035163A1 (en) * 2006-07-29 2008-01-31 Schaeffler Kg Diagonal separable bearing i.e. clutch release bearing, for switching separation clutch, has roller body designed as ball roller, where width of body is reduced to certain percentages between side surfaces opposite to diameter of ball base
DE102006050445A1 (en) * 2006-10-26 2008-04-30 Schaeffler Kg Roller bearing ball for dry/media lubrication, has main symmetrical axis, at whose end diametrical flat portions are provided in ball surface, and spherical rolling surface that rolls on bearing surface of roller bearing during operation
WO2008068122A1 (en) * 2006-12-06 2008-06-12 Schaeffler Kg Shift-type separating clutch for a shift transmission
DE102006060677A1 (en) * 2006-12-21 2008-06-26 Schaeffler Kg Fluid friction clutch, for example for vehicle applications
DE102006060550A1 (en) * 2006-12-21 2008-06-26 Schaeffler Kg Bearing arrangement for a fast rotating electric machine
WO2008077692A1 (en) * 2006-12-21 2008-07-03 Schaeffler Kg Bearing arrangement and quick-rotating electrical machine

Also Published As

Publication number Publication date
GB9506205D0 (en) 1995-05-17
GB9504826D0 (en) 1995-04-26

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)