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National Stock Number:
3120-01-284-2534
Federal Supply Class:
3120
National Item Identification Number:
012842534
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:
| 501-007 | 02246 | THE CHARLES MACHINE WORKS INC DBA DITCH WITCH |
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Techincal Specification:
| CENTER HOLE KEYWAY QUANTITY | 2 | | CENTER HOLE KEYWAY RADIUS | 0.1875 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND W/ROUND KEYWAYS | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | KEY LENGTH | 0.1719 INCHES NOMINAL | | KEY QUANTITY | 1 | | KEY WIDTH | 0.2500 INCHES NOMINAL | | MAJOR DIAMETER | 0.9688 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1010 OVERALL OR STEEL COMP 1020 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | MINOR DIAMETER | 0.7031 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.9062 INCHES NOMINAL | | OVERALL THICKNESS | 0.0615 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUND W/SQUARE KEYS | | SURFACE FINISH | 10.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 10.0 MICROINCHES RIGHT SIDE |
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