79999003 — BEARING,BALL,ANNULAR

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

79999003: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 3.7399 INCHES MINIMUM AND 3.7402 INCHES MAXIMUM IN, overall_width: 1.7667 INCHES MINIMUM AND 1.7717 INCHES MAXIMUM IN, load_direction: ANGULAR, surface_finish: GROUND, overall_outside_diameter: 7.8737 INCHES MINIMUM AND 7.8740 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-992-1018, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

79999003

NSN: 3110-00-992-1018
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 95402 — ELECTRIC BOAT CORP DBA ELECTRO DYNAMIC (USA)

SPECIFICATIONS

material	STEEL OVERALL
bore_diameter	3.7399 INCHES MINIMUM AND 3.7402 INCHES MAXIMUM IN
overall_width	1.7667 INCHES MINIMUM AND 1.7717 INCHES MAXIMUM IN
load_direction	ANGULAR
surface_finish	GROUND
overall_outside_diameter	7.8737 INCHES MINIMUM AND 7.8740 INCHES MAXIMUM IN
bearing_preload_designation	MEDIUM
internal_fit-up_designation	TIGHT
nondefinitive_spec/std_data	134 TYPE AND 1 CLASS
retainer_fabrication_method	PRESSED
departure_from_cited_document	ANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE
criticality_code_justification	ZZZW
NSN	3110-00-992-1018

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: PRESSED

•

INTERNAL FIT-UP DESIGNATION: TIGHT

•

SURFACE FINISH: GROUND

•

BEARING PRELOAD DESIGNATION: MEDIUM

•

CRITICALITY CODE JUSTIFICATION: ZZZW

•

OVERALL OUTSIDE DIAMETER: 7.8737 INCHES MINIMUM AND 7.8740 INCHES MAXIMUM IN

•

DEPARTURE FROM CITED DOCUMENT: ANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	PRESSED
INTERNAL FIT-UP DESIGNATION	TIGHT
SURFACE FINISH	GROUND
BEARING PRELOAD DESIGNATION	MEDIUM
CRITICALITY CODE JUSTIFICATION	ZZZW
OVERALL WIDTH	1.7667 INCHES MINIMUM AND 1.7717 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER	7.8737 INCHES MINIMUM AND 7.8740 INCHES MAXIMUM IN
DEPARTURE FROM CITED DOCUMENT	ANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE
NONDEFINITIVE SPEC/STD DATA	134 TYPE AND 1 CLASS
LOAD DIRECTION	ANGULAR

SUBSTITUTES & CROSS-REFERENCES 8

M17931-A041Reference document

Same NSN cross-reference

Reference document — Secondary reference

30319DTX7077Reference document

Same NSN cross-reference

Reference document — Secondary reference

7319-DBNT3Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

7319-DBNT3NTReference document

Same NSN cross-reference

Reference document — Secondary reference

MIL-B-17931Reference document

Same NSN cross-reference

Reference document — Identification reference

M17931-A041NTSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Shelf-life managedDemilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is 79999003?

79999003 is a BEARING,BALL,ANNULAR.

What parts can replace 79999003?

There are 8 known substitutes for 79999003: M17931-A041, 30319DTX7077, 7319-DBNT3 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 79999003?

79999003 is cataloged in the U.S. Government catalog under NSN 3110-00-992-1018. This indicates validated use in U.S. government and defense supply chains.

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79999003 — BEARING,BALL,ANNULAR

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