MM9311WI3HDUFS381A — BEARING,BALL,DUPLEX

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

MM9311WI3HDUFS381A: BEARING,BALL,DUPLEX.

The BEARING,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 1.7508 INCHES MINIMUM AND 1.7512 INCHES MAXIMUM IN, contact_angle: 60.0 DEGREES NOMINAL, overall_width: 1.2500 INCHES NOMINAL IN, load_direction: ANGULAR, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-319-4872, 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

MM9311WI3HDUFS381A

NSN: 3110-01-319-4872
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)

SPECIFICATIONS

material	STEEL OVERALL
bore_diameter	1.7508 INCHES MINIMUM AND 1.7512 INCHES MAXIMUM IN
contact_angle	60.0 DEGREES NOMINAL
overall_width	1.2500 INCHES NOMINAL IN
load_direction	ANGULAR
surface_finish	GROUND
style_designator	UNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE
overall_outside_diameter	2.9998 INCHES MINIMUM AND 3.0002 INCHES MAXIMUM IN
retainer_fabrication_method	PRESSED
standard_tolerance_designation	ABEC NO.7
NSN	3110-01-319-4872

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: PRESSED

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: UNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE

•

OVERALL OUTSIDE DIAMETER: 2.9998 INCHES MINIMUM AND 3.0002 INCHES MAXIMUM IN

•

CONTACT ANGLE: 60.0 DEGREES NOMINAL

•

LOAD DIRECTION: ANGULAR

•

STANDARD TOLERANCE DESIGNATION: ABEC NO.7

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	PRESSED
SURFACE FINISH	GROUND
STYLE DESIGNATOR	UNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE
OVERALL WIDTH	1.2500 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER	2.9998 INCHES MINIMUM AND 3.0002 INCHES MAXIMUM IN
CONTACT ANGLE	60.0 DEGREES NOMINAL
LOAD DIRECTION	ANGULAR
STANDARD TOLERANCE DESIGNATION	ABEC NO.7
BORE DIAMETER	1.7508 INCHES MINIMUM AND 1.7512 INCHES MAXIMUM IN
MATERIAL	STEEL OVERALL

OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722

SUBSTITUTES & CROSS-REFERENCES 3

MM9311WI-3HDUReference document

Same NSN cross-reference

Reference document — Secondary reference

MM9311WI3HDUHFS381AReference document

Same NSN cross-reference

Reference document — Secondary reference

820-4551451H07Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is MM9311WI3HDUFS381A?

MM9311WI3HDUFS381A is a BEARING,BALL,DUPLEX.

What parts can replace MM9311WI3HDUFS381A?

There are 3 known substitutes for MM9311WI3HDUFS381A: MM9311WI-3HDU, MM9311WI3HDUHFS381A, 820-4551451H07. Substitute compatibility should be verified for your specific system.

What is the NSN for MM9311WI3HDUFS381A?

MM9311WI3HDUFS381A is cataloged in the U.S. Government catalog under NSN 3110-01-319-4872. This indicates validated use in U.S. government and defense supply chains.

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