3120-00-432-7553 ROLLER,LINEAR-ROTARY MOTION Index 3120-00-432-7555 ROLLER,LINEAR-ROTARY MOTION

National Stock Number:
3120-00-432-7554

Federal Supply Class:
3120

National Item Identification Number:
004327554

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:
253177010001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
BORE INSIDE DIAMETER0.438 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
CASEHARDENING INDICATORNOT CASEHARDENED
CHAMFER/RADIUS OF OUTSIDE CORNER0.031 IN. BY 45 DEG CHAMFER
FACE WIDTH0.619 INCHES MINIMUM AND 0.624 INCHES MAXIMUM
MATERIALSTEEL
METALLIC HARDNESS RATING30.0 MINIMUM ROCKWELL C AND 35.0 MAXIMUM ROCKWELL C
OUTSIDE DIAMETER0.624 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
STYLE DESIGNATORPLAIN


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