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National Stock Number:
3120-00-080-3559
Federal Supply Class:
3120
National Item Identification Number:
000803559
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:
| A302700 | 77873 | ROCKFORD POWERTRAIN INC | | A30270000-0 | 77873 | ROCKFORD POWERTRAIN INC |
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Techincal Specification:
| CENTER HOLE KEYWAY QUANTITY | 4 | | CENTER HOLE KEYWAY RADIUS | 0.1200 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND W/ROUND KEYWAYS | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM OVERALL AND 66.0 ROCKWELL C MAXIMUM OVERALL | | OUTSIDE DIAMETER | 3.2000 INCHES NOMINAL | | OVERALL THICKNESS | 0.0780 INCHES NOMINAL | | LUBRICATION MATERIAL | LUBRICANT, MANUFACTURERS STANDARD | | MAJOR DIAMETER | 2.5120 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | 66,1035 THRU 1045 OR C1137 THRU C1144 FED STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | MINOR DIAMETER | 2.4520 INCHES NOMINAL | | STYLE DESIGNATOR | ROUND | | SURFACE FINISH | 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY | | SURFACE FINISH | 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | SURFACE FINISH | 35.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 35.0 MICROINCHES RIGHT SIDE |
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