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National Stock Number:
3120-00-182-8571
Federal Supply Class:
3120
National Item Identification Number:
001828571
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:
| 378P35-1 | 11245 | BOYD CORPORATION (WOBURN) INC |
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Techincal Specification:
| BORE INSIDE DIAMETER | 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | FACE WIDTH | 0.122 INCHES MINIMUM AND 0.125 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.618 INCHES MINIMUM AND 0.619 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE A2 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP A2 | | METALLIC HARDNESS RATING | 56.0 MINIMUM ROCKWELL C AND 58.0 MAXIMUM ROCKWELL C | | STYLE DESIGNATOR | PLAIN |
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