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National Stock Number:
3120-01-181-8034
Federal Supply Class:
3120
National Item Identification Number:
011818034
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.
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Manufacturer Information:
| 633A912-001 | 01289 | GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT | | 7303E32 PIECE 22 | 01289 | GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT |
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Techincal Specification:
| BORE LENGTH | 1.719 INCHES NOMINAL | | BORE INSIDE DIAMETER | 2.249 INCHES MINIMUM AND 2.250 INCHES MAXIMUM | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | FACE WIDTH | 1.500 INCHES NOMINAL | | HUB DIAMETER | 3.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763, CLASS 410 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 410 | | METALLIC HARDNESS RATING | 33.0 MINIMUM ROCKWELL C AND 38.0 MAXIMUM ROCKWELL C | | OUTSIDE DIAMETER | 3.995 INCHES MINIMUM AND 4.005 INCHES MAXIMUM | | STYLE DESIGNATOR | PLAIN, PROTRUDING HUBS |
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