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National Stock Number:
3120-00-661-3167
Federal Supply Class:
3120
National Item Identification Number:
006613167
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:
| 3B8764 | 11083 | CATERPILLAR INC | | 4H1719 | 11083 | CATERPILLAR INC | | 8F7957 | 11083 | CATERPILLAR INC |
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Techincal Specification:
| BEARING SURFACE HOLE DIAMETER | 0.5620 INCHES NOMINAL | | BEARING SURFACE HOLE QUANTITY | 6 | | CENTER HOLE KEYWAY DEPTH | 0.3750 INCHES NOMINAL | | CENTER HOLE KEYWAY QUANTITY | 1 | | CENTER HOLE KEYWAY WIDTH | 0.3750 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND W/KEYWAY | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DIAMETER | 1.7500 INCHES NOMINAL | | OUTSIDE DIAMETER | 3.8750 INCHES NOMINAL | | OVERALL THICKNESS | 0.3210 INCHES MINIMUM AND 0.3230 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 937 OVERALL | | STYLE DESIGNATOR | ROUND | | SURFACE CONDITION | GROUND |
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