3120-01-008-7947 ROLLER,LINEAR-ROTARY MOTION Index 4730-01-008-7949 ADAPTER,STRAIGHT,FLANGE TO TUBE

National Stock Number:
3120-01-008-7948

Federal Supply Class:
3120

National Item Identification Number:
010087948

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:
326594182577RAYTHEON COMPANY


Techincal Specification:
BORE INSIDE DIAMETER0.313 INCHES NOMINAL
CASEHARDENING INDICATORNOT CASEHARDENED
COUNTERBORE DEPTH0.117 INCHES NOMINAL
COUNTERBORE DIAMETER0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM
FACE WIDTH0.317 INCHES MINIMUM AND 0.321 INCHES MAXIMUM
OUTSIDE DIAMETER0.495 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
MATERIALSTEEL CORROSION RESISTING
STYLE DESIGNATORPLAIN, COUNTERBORED


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