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National Stock Number:
3120-01-045-2782
Federal Supply Class:
3120
National Item Identification Number:
010452782
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:
| C066SM02421 | 07309 | ROLLS-ROYCE MARINE NORTH AMERICA INC. | | C066SM02421B | 07309 | ROLLS-ROYCE MARINE NORTH AMERICA INC. |
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Techincal Specification:
| DIAMETER | 12.6250 INCHES NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE ALL CORNERS | | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED | | FLANGE THICKNESS | 1.2500 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OUTER LAYER | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 15.5000 INCHES NOMINAL | | OVERALL THICKNESS | 1.7500 INCHES NOMINAL | | SHANK OUTSIDE DIAMETER | 14.0000 INCHES NOMINAL | | SPECIAL FEATURES | 18 HOLES DRILLED ON OUTER SURFACE 3/8 IN. DIA. 2 HOLES DRILLED AND TAPPED 3/8 IN. DIA. OUTER RING THREADED 1 1/4 IN. THREAD WIDTH | | STYLE DESIGNATOR | ROUND |
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