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National Stock Number:
3120-00-490-1937
Federal Supply Class:
3120
National Item Identification Number:
004901937
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:
| A60578 | 10522 | WASHINGTON SCIENTIFIC INDUSTRIES INC |
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Techincal Specification:
| BORE INSIDE DIAMETER | 0.249 INCHES NOMINAL | | BORE LENGTH | 0.228 INCHES NOMINAL | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | CHAMFER/RADIUS OF INSIDE CORNER | 0.030 IN BY 45 DEG CHAMFER | | CHAMFER/RADIUS OF OUTSIDE CORNER | 0.031 IN BY 30 DEG CHAMFER | | FACE WIDTH | 0.208 INCHES NOMINAL | | HUB DIAMETER | 0.344 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | COMP 8620 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 8620 | | METALLIC HARDNESS RATING | 58.0 MINIMUM ROCKWELL C AND 62.0 MAXIMUM ROCKWELL C | | STYLE DESIGNATOR | PLAIN, PROTRUDING HUBS |
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