3120-01-347-2496 BEARING,PLAIN,SELF-ALIGNING Index 3120-01-347-2498 BEARING,WASHER,THRUST

National Stock Number:
3120-01-347-2497

Federal Supply Class:
3120

National Item Identification Number:
013472497

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.


Manufacturer Information:
367719-299193HONEYWELL INTERNATIONAL INC.


Techincal Specification:
DIAMETER2.1200 INCHES MINIMUM AND 2.1400 INCHES MAXIMUM
CENTER HOLE SHAPE STYLEROUND
CORNER SHAPESQUARE ALL CORNERS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING34.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL
KEY LENGTH0.0875 INCHES NOMINAL
KEY QUANTITY3
KEY WIDTH0.3800 INCHES MINIMUM AND 0.4200 INCHES MAXIMUM
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER2.4300 INCHES MINIMUM AND 2.4500 INCHES MAXIMUM
OVERALL THICKNESS0.0450 INCHES MINIMUM AND 0.0470 INCHES MAXIMUM
STYLE DESIGNATORROUND W/SQUARE KEYS
SURFACE FINISH63.0 MICROINCHES LEFT SIDE


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