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National Stock Number:
3120-00-661-3300
Federal Supply Class:
3120
National Item Identification Number:
006613300
Description:
BEARING,WASHER,THRUST
Detail:
An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also WASHER, FLAT and SPACER, SLEEVE.
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Manufacturer Information:
| 1K3612 | 11083 | CATERPILLAR INC | | 23 | 74684 | HUGHES CHRISTENSEN CO HUGHES DRILLING EQUIPMENT DIV | | 29182A3649 | 23926 | KOMATSU AMERICA INTL CO | | 45550-009-01 | 31245 | TEREX USA, LLC | | 75116 | 23926 | KOMATSU AMERICA INTL CO | | 75116 | 45RP7 | DRESSTA NORTH AMERICA LTD | | 876176905 | 09605 | BOMAG USA SUB OF UNITED DOMINION INDUSTRIES LTD | | A3649 | 61208 | TWIN DISC, INCORPORATED | | D75116 | 23926 | KOMATSU AMERICA INTL CO | | R29182A3649 | 23926 | KOMATSU AMERICA INTL CO |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 4.7188 INCHES MINIMUM AND 4.7812 INCHES MAXIMUM | | FEATURES PROVIDED | CASEHARDENED | | OUTSIDE DIAMETER | 6.2750 INCHES MINIMUM AND 6.2780 INCHES MAXIMUM | | OVERALL THICKNESS | 0.1770 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND | | SURFACE CONDITION | GROUND |
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