3120-00-352-6103, BEARING,WASHER,THRUST

National Stock Number:
3120-00-352-6103

Federal Supply Class:
3120

National Item Identification Number:
003526103

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:

10624	59690	KOEHRING CO LORAIN DIV
10624	8E499	KOEHRING CRANES AND EXCAVATORS INC SUB OF NORTHWEST ENGINEERING CO

Techincal Specification:

CENTER HOLE KEYWAY QUANTITY	1
CENTER HOLE KEYWAY DEPTH	0.2250 INCHES MINIMUM AND 0.2310 INCHES MAXIMUM
CENTER HOLE KEYWAY WIDTH	0.5000 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE	ROUND W/KEYWAY
COUNTERBORE DIAMETER	4.5625 INCHES NOMINAL
CORNER SHAPE	SQUARE FIRST INSIDE CORNER
CORNER SHAPE	SQUARE FIRST OUTSIDE CORNER
CORNER SHAPE	SQUARE FOURTH INSIDE CORNER
CORNER SHAPE	ROUND SECOND OUTSIDE CORNER
CORNER SHAPE	ROUND THIRD INSIDE CORNER
CORNER SHAPE	SQUARE SECOND INSIDE CORNER
COUNTERBORE DEPTH	0.1250 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLE	COUNTERBORED
DIAMETER	2.4380 INCHES MINIMUM AND 2.4400 INCHES MAXIMUM
OVERALL THICKNESS	0.5625 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	COPPER ALLOY 937 OVERALL
OUTSIDE DIAMETER	4.9980 INCHES MINIMUM AND 5.0010 INCHES MAXIMUM
STYLE DESIGNATOR	ROUND
SURFACE CONDITION	GROUND

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