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National Stock Number:
3120-00-379-6217
Federal Supply Class:
3120
National Item Identification Number:
003796217
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:
| 511980PC4 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| BORE INSIDE DIAMETER | 0.2500 INCHES MINIMUM AND 0.2504 INCHES MAXIMUM | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | CHAMFER/RADIUS OF OUTSIDE CORNER | 0.020 TO 0.040 IN. | | FACE WIDTH | 0.230 INCHES MINIMUM AND 0.240 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.748 INCHES MINIMUM AND 0.752 INCHES MAXIMUM | | MATERIAL | STEEL | | METALLIC HARDNESS RATING | 58.0 MINIMUM ROCKWELL C AND 63.0 MAXIMUM ROCKWELL C | | SPECIAL FEATURES | 0.001 TIR ON ID AND MACHINE FINISH 63 MICROINCHES RMS | | STYLE DESIGNATOR | PLAIN |
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