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National Stock Number:
3120-00-541-9736
Federal Supply Class:
3120
National Item Identification Number:
005419736
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:
| 1A4512 | 11083 | CATERPILLAR INC |
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Techincal Specification:
| MATERIAL | STEEL COMP 1117 OVERALL | | HARDNESS RATING | 61.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND | | 69.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM OVERALL | | STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 1.4375 INCHES NOMINAL | | CORNER SHAPE | SQUARE FIRST OUTSIDE CORNER | | SQUARE SECOND OUTSIDE CORNER | | CHAMFERED FIRST INSIDE CORNER | | SQUARE SECOND INSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL THICKNESS | 0.1560 INCHES MINIMUM AND | | 0.1600 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 1.0110 INCHES MINIMUM AND | | 1.0120 INCHES MAXIMUM | | SURFACE CONDITION | GROUND | | FEATURES PROVIDED | CASEHARDENED |
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