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National Stock Number:
3120-01-166-6920
Federal Supply Class:
3120
National Item Identification Number:
011666920
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:
| 547-6515 | 11083 | CATERPILLAR INC | | 6G3206 | 11083 | CATERPILLAR INC |
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Techincal Specification:
| DIAMETER | 261.52 MILLIMETERS MINIMUM AND 262.02 MILLIMETERS MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | CHAMFERED SECOND OUTSIDE CORNER | | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER | | CORNER SHAPE | SQUARE SECOND INSIDE CORNER | | MATERIAL | PLASTIC OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 308.82 MILLIMETERS MINIMUM AND 309.32 MILLIMETERS MAXIMUM | | OVERALL THICKNESS | 6.89 MILLIMETERS MINIMUM AND 7.05 MILLIMETERS MAXIMUM | | SPECIAL FEATURES | SPHERICAL RADIUS BEGINS AT 279.91 MM DIA 0.38 MM FROM LEFT SIDE,ENDS AT RIGHT SIDE | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 1.60 MICROMETERS LEFT SIDE | | SURFACE FINISH | 1.60 MICROMETERS RIGHT SIDE |
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