ROLLER
PN 159574
NSN 3120 00 540 8870
MFG NAVAIR AND NAVSEA
 
NEW GOV SURPLUS
SUPPLIER CAGE CODE 03EF7
 
ITEM NAME:   ROLLER,LINEAR-ROTAR
DEFINITION:  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.
            
 
CHARACTERISTIC                          VALUE
CASEHARDENING INDICATOR                 NOT CASEHARDENED                                 
OUTSIDE DIAMETER                        0.625 INCHES NOMINAL                             
METALLIC HARDNESS RATING                14.0 MINIMUM ROCKWELL C AND 24.0 MAXIMUM ROCKWELL
                                        C                                                
FACE WIDTH                              0.180 INCHES MINIMUM AND 0.183 INCHES MAXIMUM    
BORE INSIDE DIAMETER                    0.252 INCHES MINIMUM AND 0.255 INCHES MAXIMUM    
CHAMFER/RADIUS OF OUTSIDE               0.031 IN. BY 45 DEG                              
CORNER                                                                                   
SPECIAL FEATURES                        1D FINISHED 63 MICROINCHES RMS                   
MATERIAL                                STEEL                                            
STYLE DESIGNATOR                        PLAIN                                            
III FSC APPLICATION DATA                MISSILE LAUNCHING SYSTEM