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National Stock Number: 3120-00-072-6640
Federal Supply Class: 3120
National Item Identification Number: 000726640
Description: ROLLER,LINEAR-ROTARY MOTION
Detail: A cylindrical body having a centrally located hole to accommodate a pin or shaft for attachment to a push rod guide, yoke, rocker arm, turntable, or rail. The item provides a rolling contact with the face of a valve stem, or the lobes of a cam ring or camshaft on engines, fuel injection pumps, latches, turntables, parallel bearing surfaces requiring a roller support, and the like. Excludes BEARING, ROLLER, CYLINDRICAL; ROLLER, ELECTRICAL SWITCH; and friction bearings. See also CAM FOLLOWER, NEEDLE BEARING.
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Manufacturer Information:
8769239 | 19206 | ARMY, UNITED STATES DEPARTMENT OF THE BUSINESS DEVELOPMENT DBA WATERVLIET ARSENAL |
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Techincal Specification:
BORE INSIDE DIAMETER | 0.750 INCHES MINIMUM AND 0.755 INCHES MAXIMUM | CASEHARDENING INDICATOR | NOT CASEHARDENED | CHAMFER/RADIUS OF OUTSIDE CORNER | 0.372 IN. RADIUS | FACE WIDTH | 0.734 INCHES MINIMUM AND 0.740 INCHES MAXIMUM | OUTSIDE DIAMETER | 2.170 INCHES MINIMUM AND 2.190 INCHES MAXIMUM | MATERIAL | STEEL | METALLIC HARDNESS RATING | 30.0 MINIMUM ROCKWELL C AND 36.0 MAXIMUM ROCKWELL C | STYLE DESIGNATOR | PLAIN |
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