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National Stock Number:
3120-01-211-7001
Federal Supply Class:
3120
National Item Identification Number:
012117001
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:
| 1N3986 | 11083 | CATERPILLAR INC | | 4W5552 ITEM 13 | 11083 | CATERPILLAR INC |
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Techincal Specification:
| DIAMETER | 33.25 MILLIMETERS MINIMUM AND 33.75 MILLIMETERS MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | LUBRICATION FEATURE | GROOVE LEFT SIDE | | LUBRICATION FEATURE | GROOVE RIGHT SIDE | | MATERIAL DOCUMENT AND CLASSIFICATION | 1E231,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 932 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 99.5 MILLIMETERS MINIMUM AND 100.5 MILLIMETERS MAXIMUM | | OVERALL THICKNESS | 1.8 MILLIMETERS MINIMUM AND 2.0 MILLIMETERS MAXIMUM | | SPECIAL FEATURES | THREE GROOVES EQUALLY SPACED,0.37 MM TO 0.39 MM DEEP BOTH SIDES; TWO HOLES 13.8 MM DIA,52.0 MM APART CENTER TO CENTER ON VERTICAL CENTERLINE | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 0.8 MICROMETERS RIGHT SIDE | | SURFACE FINISH | 0.8 MICROMETERS LEFT SIDE |
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