IT1184643B - TWO-PART TWO-WHEEL RADIAL ROLLING BEARING - Google Patents

TWO-PART TWO-WHEEL RADIAL ROLLING BEARING

Info

Publication number
IT1184643B
IT1184643B IT21291/85A IT2129185A IT1184643B IT 1184643 B IT1184643 B IT 1184643B IT 21291/85 A IT21291/85 A IT 21291/85A IT 2129185 A IT2129185 A IT 2129185A IT 1184643 B IT1184643 B IT 1184643B
Authority
IT
Italy
Prior art keywords
rolling bearing
radial rolling
tracks
wheel radial
bearing
Prior art date
Application number
IT21291/85A
Other languages
Italian (it)
Other versions
IT8521291A0 (en
Inventor
Arnim Ferstera
Original Assignee
Hoesch Ag
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 Hoesch Ag filed Critical Hoesch Ag
Publication of IT8521291A0 publication Critical patent/IT8521291A0/en
Application granted granted Critical
Publication of IT1184643B publication Critical patent/IT1184643B/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
    • 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
    • F16C33/583—Details of specific parts of races
    • F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/84—Slewing gear
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
    • E02F9/12—Slewing or traversing gears
    • E02F9/121—Turntables, i.e. structure rotatable about 360°
    • 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
    • F16C19/18—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 two or more rows of balls
    • 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
    • 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
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/10—Application independent of particular apparatuses related to size
    • F16C2300/14—Large applications, e.g. bearings having an inner diameter exceeding 500 mm
    • 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
    • F16C2350/00—Machines or articles related to building
    • F16C2350/26—Excavators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

In a two-part two-row radial rolling bearing with surface-hardened tracks on the bearing races, each bearing race (2, 3) is made with a hard zone (12), which extends across both tracks (10, 16) and the connecting shoulder (11, 17) between the tracks, in order to achieve a higher loading capacity and a longer life. <IMAGE>
IT21291/85A 1984-06-26 1985-06-26 TWO-PART TWO-WHEEL RADIAL ROLLING BEARING IT1184643B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3423433A DE3423433C2 (en) 1984-06-26 1984-06-26 Double-row, center-free slewing bearing

Publications (2)

Publication Number Publication Date
IT8521291A0 IT8521291A0 (en) 1985-06-26
IT1184643B true IT1184643B (en) 1987-10-28

Family

ID=6239122

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21291/85A IT1184643B (en) 1984-06-26 1985-06-26 TWO-PART TWO-WHEEL RADIAL ROLLING BEARING

Country Status (3)

Country Link
DE (1) DE3423433C2 (en)
FR (1) FR2566486B1 (en)
IT (1) IT1184643B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3609781A1 (en) * 1986-03-22 1987-10-08 Hoesch Ag WHOLESALE WAREHOUSE
US4906113A (en) * 1988-07-27 1990-03-06 Quintette Coal Limited Slew ring bearing
JP2529597Y2 (en) * 1989-07-13 1997-03-19 日本精工株式会社 Bearing unit for wheels
TW550350B (en) * 2001-12-11 2003-09-01 Harmonic Drive Systems Multistage cross roller bearing
DE102005026141B4 (en) 2005-06-06 2019-07-25 Imo Momentenlager Gmbh Wind turbine with a bearing unit for an elongated rotor blade
DE102005063678B3 (en) 2005-06-06 2020-01-23 Imo Momentenlager Gmbh Method for operating a wind turbine with a bearing unit for an elongated rotor blade
CN102720766A (en) * 2012-07-02 2012-10-10 北京京冶轧机轴承制造有限公司 Turntable bearing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR504894A (en) * 1918-08-01 1920-07-19 C Motors Ltd Ab Improvements to roller or ball bearings
US3814488A (en) * 1973-03-26 1974-06-04 Keene Corp Bearing assembly
LU76260A1 (en) * 1976-11-25 1977-05-24

Also Published As

Publication number Publication date
FR2566486A1 (en) 1985-12-27
IT8521291A0 (en) 1985-06-26
FR2566486B1 (en) 1988-11-10
DE3423433C2 (en) 1986-05-22
DE3423433A1 (en) 1986-01-02

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970530