6625-01-343-3026 FREQUENCY STANDARD Index 6650-01-343-3028 LENS,OPTICAL INSTRUMENT

National Stock Number:
3120-01-343-3027

Federal Supply Class:
3120

National Item Identification Number:
013433027

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:
6547C022-180020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2


Techincal Specification:
BORE LENGTH1.000 INCHES NOMINAL
BORE INSIDE DIAMETER1.2505 INCHES MINIMUM AND 1.2516 INCHES MAXIMUM
CASEHARDENING INDICATORNOT CASEHARDENED
CHAMFER/RADIUS OF OUTSIDE CORNER0.150 IN. RADIUS
FACE WIDTH0.940 INCHES NOMINAL
HUB DIAMETER1.730 INCHES MINIMUM AND 1.770 INCHES MAXIMUM
MATERIALSTEEL COMP 630
METALLIC HARDNESS RATING32.0 MINIMUM ROCKWELL C AND 38.0 MAXIMUM ROCKWELL C
OUTSIDE DIAMETER3.730 INCHES MINIMUM AND 3.770 INCHES MAXIMUM
STYLE DESIGNATORPLAIN, PROTRUDING HUBS


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