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Technical Data Sheet
PartsTable / MRO / 56-3-2
56-3-2 ✓ Verified by PartsTable
Ariete · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-2885, 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
MRO→ MRO_GENERAL→ 56-3-2
NSN: 3110-00-198-2885
FSC: 3110
CAGE: 40920 — MPB CORP DIV TIMKEN SUPER PRECISION (USA)
SPECIFICATIONS
Part Number56-3-2
ManufacturerAriete
NSN3110-00-198-2885
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 56-3-2 · Ariete ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
BORE DIAMETER: 0.1875 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 0.3125 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.5
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.1094 INCHES NOMINAL IN
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
BORE DIAMETER0.1875 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER0.3125 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.5
BORE SHAPESTRAIGHT
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
STYLE234Interchangeable
interchangeable cross-reference
interchangeable
7-14-022Interchangeable
interchangeable cross-reference
interchangeable
MILR3065Interchangeable
interchangeable cross-reference
interchangeable
55-22157-18USInterchangeable
interchangeable cross-reference
interchangeable
654E0039D054AInterchangeable
interchangeable cross-reference
interchangeable
654Q0138D054AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 56-3-2?
56-3-2 is a CONNECTOR,RECEPTACLE,ELECTRICAL manufactured by Ariete. It is classified as a MRO (MRO_GENERAL).
What parts can replace 56-3-2?
There are 24 known substitutes for 56-3-2: STYLE234, 7-14-022, MILR3065 and 21 more. Substitute compatibility should be verified for your specific system.
Is 56-3-2 still available?
56-3-2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026