3120-00-401-6074 BEARING,SLEEVE Index 3120-00-401-6078 BUSHING,SLEEVE

National Stock Number:
3120-00-401-6077

Federal Supply Class:
3120

National Item Identification Number:
004016077

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.


Manufacturer Information:
4N12724-101A98897LOCKHEED MARTIN CORP


Techincal Specification:
BORE INSIDE DIAMETER0.251 INCHES MINIMUM AND 0.258 INCHES MAXIMUM
CASEHARDENING INDICATORNOT CASEHARDENED
FACE WIDTH0.690 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
OUTSIDE DIAMETER0.625 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-M-20693,COMP A,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALPLASTIC POLYHEXAMETHYLENE ADIPAMIDE
STYLE DESIGNATORPLAIN


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