3120-01-318-5544 ROLLER,LINEAR-ROTARY MOTION Index 2010-01-318-5546 BLADE,PROPELLER,SHIP

National Stock Number:
3120-01-318-5545

Federal Supply Class:
3120

National Item Identification Number:
013185545

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:
701-6648210 DETAIL 6-B53711NAVAL SEA SYSTEMS COMMAND
701-6648211 ITEM 653711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BORE INSIDE DIAMETER0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
CASEHARDENING INDICATORNOT CASEHARDENED
CHAMFER/RADIUS OF OUTSIDE CORNER0.062 IN. CHAMFER BY 45 DEGREES
FACE WIDTH1.188 INCHES NOMINAL
MATERIALSTEEL
OUTSIDE DIAMETER2.000 INCHES NOMINAL
SPECIAL FEATURESOUTSIDE DIA KNURLED AND HARDENED TO 450 TO 500 BRINELL
STYLE DESIGNATORPLAIN


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