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National Stock Number:
3120-00-073-8298
Federal Supply Class:
3120
National Item Identification Number:
000738298
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:
| 114RS312-1 | 09455 | RBC TRANSPORT DYNAMICS CORP | | 114RS312-1 | 15860 | NEW HAMPSHIRE BALL BEARINGS INC | | 90664 | 09455 | RBC TRANSPORT DYNAMICS CORP | | 91124 | 09455 | RBC TRANSPORT DYNAMICS CORP | | AM1208 | 15860 | NEW HAMPSHIRE BALL BEARINGS INC | | 114RS312-1 | 77272 | THE BOEING COMPANY | | FBJ344TF352-34 | 21335 | TIMKEN CO | | FBJ344TF352-34 | 3NPS1 | RBC AIRCRAFT PRODUCTS, INC. |
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Techincal Specification:
| STYLE DESIGNATOR | ROUND | | OUTSIDE DIAMETER | 11.5430 INCHES MINIMUM AND | | 11.5480 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED | | FLANGE THICKNESS | 0.3150 INCHES MINIMUM AND | | 0.3350 INCHES MAXIMUM | | OVERALL THICKNESS | 1.0100 INCHES MINIMUM AND | | 1.0500 INCHES MAXIMUM | | SHANK OUTSIDE DIAMETER | 10.9880 INCHES MINIMUM AND | | 10.9900 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | DIAMETER | 10.7500 INCHES MINIMUM AND | | 10.7520 INCHES MAXIMUM | | SURFACE FINISH | 125.0 MICROINCHES OVERALL | | SPECIAL FEATURES | THREE MATCHED 120 DEG SEGMENTS IDENTIFIED W/A COMMON SERIAL NO. | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 77272 | | MFR SOURCE CONTROLLING REFERENCE | 114RS312-1 |
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