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National Stock Number:
3120-01-264-1520
Federal Supply Class:
3120
National Item Identification Number:
012641520
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:
| 46123E681 | 97578 | TIMKEN GEARS & SERVICES INC. |
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Techincal Specification:
| DIAMETER | 8.5000 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | CHAMFERED ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | MATERIAL | STEEL UNS K02401 BODY | | MATERIAL | TIN ALLOY UNS L13890 FLAT BEARING SURFACE | | III CUBIC MEASURE | 30.00 CUBIC INCHES | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 13.0000 INCHES NOMINAL | | OVERALL THICKNESS | 0.7500 INCHES NOMINAL | | SPECIAL FEATURES | BEARING CONSIST OF TWO IDENTICAL HALVES SECURED TOGETHER WITH TWO 3/8-24 UNF-3AX1.750 IN. LONG SOCKET HEAD CAP SCREWS | | STYLE DESIGNATOR | ROUND |
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