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National Stock Number:
3120-00-424-0538
Federal Supply Class:
3120
National Item Identification Number:
004240538
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:
| C131 | 35311 | AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV |
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Techincal Specification:
| BORE INSIDE DIAMETER | 3.850 INCHES MINIMUM AND 3.876 INCHES MAXIMUM | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | CHAMFER/RADIUS OF OUTSIDE CORNER | 0.031 IN.RADIUS | | CHAMFER/RADIUS OF INSIDE CORNER | 0.062 IN.RADIUS | | FACE WIDTH | 2.312 INCHES NOMINAL | | MATERIAL | STEEL | | METALLIC HARDNESS RATING | 60.0 MINIMUM ROCKWELL C AND 65.0 MAXIMUM ROCKWELL C | | OUTSIDE DIAMETER | 5.922 INCHES MINIMUM AND 5.954 INCHES MAXIMUM | | STYLE DESIGNATOR | PLAIN |
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