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National Stock Number:
3120-00-712-9320
Federal Supply Class:
3120
National Item Identification Number:
007129320
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:
| 101204 | 12603 | CLARK EQUIPMENT CO | | 101204 | 40152 | VME AMERICAS INC SUB OF VME GROUP N V | | 13801P11 | 27618 | TAYLOR MACHINE WORKS INC | | 101204 | 77237 | DANA OFF HIGHWAY PRODUCTS, LLC | | 101204 | 89749 | CLARK MATERIAL HANDLING COMPANY |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CORNER SHAPE | SQUARE FIRST INSIDE CORNER | | CORNER SHAPE | SQUARE SECOND INSIDE CORNER | | CROSS-SECTIONAL SHAPE STYLE | CONVEX | | DIAMETER | 1.1350 INCHES MINIMUM AND 1.1450 INCHES MAXIMUM | | HARDNESS RATING | 62.0 ROCKWELL B MINIMUM AND 75.0 ROCKWELL B MAXIMUM OVERALL | | INSIDE SPHERICAL RADIUS | 2.9990 INCHES MINIMUM AND 3.0040 INCHES MAXIMUM | | OUTSIDE DIAMETER | 2.5000 INCHES NOMINAL | | OUTSIDE SPHERICAL RADIUS | 3.0605 INCHES MINIMUM AND 3.0675 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0615 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-13501 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 546-CANCELED OVERALL | | STYLE DESIGNATOR | ROUND |
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