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National Stock Number:
3120-00-650-2579
Federal Supply Class:
3120
National Item Identification Number:
006502579
Description:
BEARING,PLAIN,SPHERICAL
Detail:
A DETACHABLE PART IN OR ON WHICH A JOURNAL, GUDGEON, PIVOT, OR THE LIKE MOVES. IT IS USED TO CARRY A LOAD AND TO REDUCE SLIDING FRICTION. IT DOES NOT EMPLOY ROLLING ELEMENTS. IT MAY BE DIVIDED INTO TWO OR MORE SEGMENTS OF 180 DEGREES (3.141 RADIANS) OR LESS. THE ITEM HAS A CYLINDRICAL BORE AND IS BASICALLY SPHERICAL IN ITS EXTERIOR DESIGN TO ALLOW FOR SHAFT MISALIGNMENT. EXCLUDES BEARING, PLAIN, SELF-ALIGNING.
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Manufacturer Information:
| 8-21B19291-3B4B | 70508 | AMERICAN METAL BEARING CO | | 8-21B19291-3BX4B | 70508 | AMERICAN METAL BEARING CO |
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Techincal Specification:
| BODY INSIDE DIAMETER | 18.5610 INCHES MINIMUM AND 18.5620 INCHES MAXIMUM | | CORNER SHAPE | SQUARE ALL CORNERS | | EXTENSION OUTSIDE DIAMETER | 20.2500 INCHES NOMINAL | | OVERALL LENGTH | 28.0000 INCHES NOMINAL | | MATERIAL | STEEL OUTER LAYER | | MATERIAL | TIN ALLOY UNS L13890 INNER LAYER | | SPHERICAL BODY DIAMETER | 30.4970 INCHES MINIMUM AND 30.5000 INCHES MAXIMUM | | STYLE DESIGNATOR | SEGMENTED |
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