BEARING BALL
P/N MIL-B-17931NT
PN 6203LLBPM/3W
PN M17931-G010
PN M203PP-FS50135
PN 203FF3VBNT
PN 99503-7077
PN 203ZNT3
PN 6203DDUE100
NSN 3110-00-991-0903
MFG NAVAL INVENTORY
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 0.4704 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM
BORE DIAMETER 0.6691 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER 1.5746 INCHES MINIMUM AND 1.5748 INCHES MAXIMUM
SURFACE FINISH GROUND
RETAINER FABRICATION METHOD PRESSED
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 COMP E52100 BALL STEEL COMP E52100 INNER

RING STEEL COMP E52100 LOADING GROOVE SIDE STEEL

RETAINER RUBBER SYNTHETIC SEAL
NON-DEFINITIVE GOVERNMENT MIL-B-17931
SPEC/STD REFERENCE
SPEC/STD CONTROLLING DATA 81349
MANUFACTURERS CODE
STYLE DESIGNATOR NON-LOADING GROOVE, NON-SEPARABLE
NONDEFINITIVE SPEC/STD DATA 111 TYPE AND 8 CLASS
DEPARTURE FROM CITED ANNUAL BALL BEARING FOR QUIET OPERATION
DOCUMENT APPLICATION TO SUBMARINE USAGE
DEPARTURE FROM CITED AS MODIFIED BY TEST FOR QUIET OPERATION APPLICABLE
DESIGNATOR TO SUBMARINE USAGE