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National Stock Number:
3110-00-198-0997
Federal Supply Class:
3110
National Item Identification Number:
001980997
Description:
BALL,BEARING
Detail:
A homogenous spherical body, a series of which provides the rolling elements in a BEARING, BALL (as modified). The item is designed primarily to alleviate friction. It may have other usages such as the checking component in a ball-type check valve. Excludes BALL, CHECK; BALL, VALVE, PORTED.
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Manufacturer Information:
| 216-4-14 | 88042 | ARMY AIR FORCE DRAWINGS UNDER CUSTODIANSHIP OF THE AIR FORCE | | 7-32BALLGRADE4 | 52676 | SKF USA INC. | | 7-32BALLSTEEL | 52676 | SKF USA INC. |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | ROLLING ELEMENT DIAMETER | 0.2187 INCHES NOMINAL | | SPECIAL FEATURES | METALLIC HARDNESS RATING ROCKWELL C MIN 64.0 IN. AND MAX 66.0 IN. | | STANDARD TOLERANCE DESIGNATION | AFBMA STD TOLERANCE FOR BALLS, GRADE 1000 | | STYLE DESIGNATOR | BALL |
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