3TAR45-56-50 — BEARING,BALL,ANNULAR

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

3TAR45-56-50: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440A INNER RING A, bore_shape: STRAIGHT, bore_diameter: 2.8125 INCHES NOMINAL IN, overall_width: 0.3120 INCHES NOMINAL IN, load_direction: ANGULAR, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-112-8007, 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

3TAR45-56-50

NSN: 3110-01-112-8007
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 78118 — MPB CORPORATION DBA MPB CORP (USA)

SPECIFICATIONS

material	STEEL COMP 440A INNER RING A
bore_shape	STRAIGHT
bore_diameter	2.8125 INCHES NOMINAL IN
overall_width	0.3120 INCHES NOMINAL IN
load_direction	ANGULAR
surface_finish	GROUND
style_designator	COUNTERBORED OUTER RING, SEPARABLE
lubrication_material	OIL
overall_outside_diameter	3.5000 INCHES NOMINAL IN
standard_tolerance_designation	ABEC NO. 5T
material_document_and_classification	AISI ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
lubrication_material_document_and_classification	MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
NSN	3110-01-112-8007

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION MATERIAL: OIL

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: COUNTERBORED OUTER RING, SEPARABLE

•

MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OUTER RING

•

OVERALL OUTSIDE DIAMETER: 3.5000 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

LUBRICATION MATERIAL	OIL
SURFACE FINISH	GROUND
STYLE DESIGNATOR	COUNTERBORED OUTER RING, SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATION	AISI ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATION	AISI ASSN STD SINGLE MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATION	AISI ASSN STD SINGLE MATERIAL RESPONSE INNER RING
OVERALL WIDTH	0.3120 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER	3.5000 INCHES NOMINAL IN
BORE SHAPE	STRAIGHT
LOAD DIRECTION	ANGULAR

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 2

901859-3CReference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

AVN548WICRVDBReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 3TAR45-56-50?

3TAR45-56-50 is a BEARING,BALL,ANNULAR.

What parts can replace 3TAR45-56-50?

There are 2 known substitutes for 3TAR45-56-50: 901859-3C, AVN548WICRVDB. Substitute compatibility should be verified for your specific system.

What is the NSN for 3TAR45-56-50?

3TAR45-56-50 is cataloged in the U.S. Government catalog under NSN 3110-01-112-8007. This indicates validated use in U.S. government and defense supply chains.

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