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National Stock Number:
3120-01-215-4586
Federal Supply Class:
3120
National Item Identification Number:
012154586
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:
| 7361194 | 07869 | AIR FORCE CAMBRIDGE RESEARCH LABORATORIES L G HANSCOM FIELD |
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Techincal Specification:
| BORE INSIDE DIAMETER | 1.969 INCHES MINIMUM AND 1.970 INCHES MAXIMUM | | BORE LENGTH | 0.750 INCHES NOMINAL | | CASEHARDENING INDICATOR | NOT CASEHARDENED | | FACE WIDTH | 0.500 INCHES NOMINAL | | HUB DIAMETER | 3.000 INCHES NOMINAL | | OUTSIDE DIAMETER | 5.000 INCHES NOMINAL | | MATERIAL | STEEL | | METALLIC HARDNESS RATING | 50.0 MINIMUM ROCKWELL C AND 53.0 MAXIMUM ROCKWELL C | | SPECIAL FEATURES | BORE INSIDE DIA. ON PROTRUDING HUB 0.255- .260 IN DEEP. FACE HAS 3 EQUAL SPACED 0.274- .285 THRU HOLES COUNTERBORED 0.403- .414 BY 0.25 IN DEEP ON 1.500 IN DIA BOLT CIRCLE | | STYLE DESIGNATOR | PLAIN, ONE PROTRUDING HUB |
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