BEARING
PN M17931-G032
PN MILB17931
PN 405850-7A
PN 6307ZW1B
PN 103R412PC8
PN 79999028
NSN 3110 00 987 3724
MFG ELECTRIC BOAT CORP
NEW GOV SURPLUS
SUPPLIER CAGE CODE 03EF7
ITEM NAME:   BEARING,BALL,ANNULA
DEFINITION:  A cylindrical device in which the inner or outer ring turns upon a

             single or double row of hardened balls which roll easily between the

             two rings, thus minimizing friction. For items with faces specially

             ground for duplex mounting see BEARING, BALL, DUPLEX. Excludes

             BEARING, BALL, AIRFRAME.

CHARACTERISTIC                          VALUE
OVERALL WIDTH                           0.8248 INCHES MINIMUM AND 0.8268 INCHES MAXIMUM  
BORE DIAMETER                           1.3778 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM  
OVERALL OUTSIDE DIAMETER                3.1494 INCHES MINIMUM AND 3.1496 INCHES MAXIMUM  
SURFACE FINISH                          GROUND                                           
RETAINER FABRICATION METHOD             PRESSED                                           
SHIELD QUANTITY                         1                                                
LOAD DIRECTION                          RADIAL                                           
BORE SHAPE                              STRAIGHT                                          
INTERNAL FIT-UP DESIGNATION             TIGHT                                            
INTERNAL CLEARANCE                      0.0004 INCHES MINIMUM RADIAL AND 0.0008 INCHES   
                                        MAXIMUM RADIAL                                   
CRITICALITY CODE                        ZZZW                                             
JUSTIFICATION                                                                            
LUBRICATION MATERIAL                    GREASE                                           
LUBRICATION MATERIAL                    MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE    
DOCUMENT AND CLASSIFICATION                                                              
MATERIAL                                STEEL OVERALL                                    
NON-DEFINITIVE GOVERNMENT               MILB17931                                        
SPEC/STD REFERENCE                                                                        
SPEC/STD CONTROLLING DATA               81349                                            
MANUFACTURERS CODE                                                                       
STYLE DESIGNATOR                        NON-LOADING GROOVE, NON-SEPARABLE                
NONDEFINITIVE SPEC/STD DATA             111 TYPE AND 2 CLASS                             
DEPARTURE FROM CITED                    ANNUAL BALL BEARING FOR QUIET OPERATION          
DOCUMENT                                APPLICATION TO SUBMARINE USAGE