BEARING
P/N AC18739
P/N YR-1-7/8-9 REVA
NSN 3110 00 684 5719
MFG TIMKIN
 
NEW GOV SURPLUS
SUPPLIER CAGE CODE 03EF7
 
ITEM NAME   BEARING,ROLLER,NEED
DEFINITION  A single or multiple-row antifriction bearing used with or without
             inner or outer races characterized by relatively small size rollers
             usually not ranging above 0.250 inch (6.35mm) diameter and generally
             longer in length in relation to diameter.
            
 
CHARACTERISTIC                          VALUE
BORE DIAMETER                           0.3750 INCHES MINIMUM AND 0.3765 INCHES MAXIMUM  
OVERALL OUTSIDE DIAMETER                1.7900 INCHES MINIMUM AND 1.8100 INCHES MAXIMUM  
OUTER RING WIDTH                        0.5600 INCHES MINIMUM AND 0.5700 INCHES MAXIMUM  
INNER RING WIDTH                        0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM  
SURFACE FINISH                          GROUND                                           
ALIGNMENT TYPE                          RIGID                                            
STANDARD TOLERANCE                      AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
DESIGNATION                                                                              
SPECIAL FEATURES                        OIL HOLE IN INNER RING                           
MATERIAL                                STEEL OVERALL                                     
SURFACE TREATMENT                       CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES      
                                        CHROMIUM OUTER RING CHROMIUM SHIELD SIDE         
STYLE DESIGNATOR                        AIRFRAME, HARDENED AND GROUND, NON-SEPARABLE