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National Stock Number:
3120-01-232-3293
Federal Supply Class:
3120
National Item Identification Number:
012323293
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:
| PWA55335-27 | 77445 | RTX CORPORATION |
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Techincal Specification:
| BORE INSIDE DIAMETER | 0.8750 INCHES MINIMUM AND 0.8760 INCHES MAXIMUM | | CASEHARDENING INDICATOR | CASEHARDENED | | CHAMFER/RADIUS OF OUTSIDE CORNER | 0.12 IN CHAMFER BY 45 DEG | | FACE WIDTH | 2.0000 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.7490 INCHES MINIMUM AND 2.7510 INCHES MAXIMUM | | MATERIAL | STEEL | | METALLIC HARDNESS RATING | 40.0 MINIMUM ROCKWELL C AND 45.0 MAXIMUM ROCKWELL C | | SPECIAL FEATURES | CENTER HOLE KEYWAY 0.078 DEEP BY 0.157 WIDE | | STYLE DESIGNATOR | PLAIN |
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