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 CASE-HARDENED
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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