3120-01-253-9118 ROLLER,LINEAR-ROTARY MOTION Index 5340-01-253-9120 STRAP,RETAINING

National Stock Number:
3120-01-253-9119

Federal Supply Class:
3120

National Item Identification Number:
012539119

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:
468467780064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BORE INSIDE DIAMETER0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
CASEHARDENING INDICATORNOT CASEHARDENED
FACE WIDTH2.969 INCHES MINIMUM AND 3.000 INCHES MAXIMUM
OUTSIDE DIAMETER0.510 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, COMP 316 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 316
STYLE DESIGNATORPLAIN


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