3130-00-181-1246 BEARING UNIT,PLAIN Index 1620-00-181-1251 BLOCK,NOSE LANDING

National Stock Number:
3020-00-181-1247

Federal Supply Class:
3020

National Item Identification Number:
001811247

Description:
PULLEY,GROOVE

Detail:
A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see BLOCK, TACKLE. For items specifically designed for aviation, see PULLEY(1), GROOVE, AVIATION.


Manufacturer Information:
30F37034-126512NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
STYLE DESIGNATORWEBBED OR SPOKED
OUTSIDE DIAMETER2.500 INCHES NOMINAL
OVERALL LENGTH0.484 INCHES NOMINAL
FACE WIDTH0.313 INCHES NOMINAL
HUB END OUTSIDE DIAMETER AND LOCATION0.390 INCHES NOMINAL AA END AND
0.390 INCHES NOMINAL BB END
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION0.075 INCHES NOMINAL AA END AND
0.075 INCHES NOMINAL BB END
DESIGN FORMWEBBED
WEB/SPOKE RELATIONSHIP TO FACE CENTERLINENOT OFFSET
LIGHTENING HOLENOT INCLUDED
INTEGRAL COOLING VANENOT INCLUDED
MATERIAL AND LOCATIONIRON, CAST RIM
GROOVE SHAPEU
GROOVE QUANTITY1
GROOVE DEPTH0.156 INCHES NOMINAL
GROOVE WIDTH0.249 INCHES NOMINAL
GROOVE RADIUS0.093 INCHES NOMINAL
BORE FEATUREINCLUDED
BEARINGSINCLUDED
BEARING TYPEBEARING ROLLER
SHAFT SIZE FOR WHICH DESIGNED0.250 INCHES NOMINAL
BEARING QUANTITY1
BORE TYPESTRAIGHT
BORE DIAMETER0.249 INCHES NOMINAL
BORE LENGTH0.484 INCHES NOMINAL
COUNTERBORE FEATURENOT INCLUDED
KEYING FACILITYNOT INCLUDED
SPLIT HUB FEATURENOT INCLUDED


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