3120-00-271-0148 ROLLER,LINEAR-ROTARY MOTION Index 3110-00-271-0150 ROLLER,BEARING

National Stock Number:
3120-00-271-0149

Federal Supply Class:
3120

National Item Identification Number:
002710149

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:
732843PC810001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
BORE INSIDE DIAMETER0.500 INCHES MINIMUM AND 0.501 INCHES MAXIMUM
CASEHARDENING INDICATORNOT CASEHARDENED
CHAMFER/RADIUS OF OUTSIDE CORNER0.032 IN. BY 45 DEG
FACE WIDTH0.427 INCHES MINIMUM AND 0.432 INCHES MAXIMUM
FSC APPLICATION DATA5 IN./54 GUN MOUNT
OUTSIDE DIAMETER0.750 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING
METALLIC HARDNESS RATING50.0 MINIMUM ROCKWELL C AND 55.0 MAXIMUM ROCKWELL C
SPECIAL FEATURESINSIDE BORE TO BE FINISHED 16 MICRO INCHES RMS AND SURFACE TO BE IN ACCORDANCE W/MIL-C-16232,TYPE II
STYLE DESIGNATORPLAIN


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