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23431-312 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

23431-312: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include bore_diameter: 55.0 MILLIMETERS NOMINAL MM, overall_width: 49.2 MILLIMETERS NOMINAL MM, end_item_identification: 4610-01-488-6961, overall_outside_diameter: 120.0 MILLIMETERS NOMINAL MM, part_name_assigned_by_controlling_agency: ANGULAR CONTACT BALL BEARING. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-686-3404, 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
23431-312
NSN: 3110-01-686-3404
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 25567 — THE GORMAN-RUPP COMPANY DIV GORMAN-RUPP (USA)
SPECIFICATIONS
bore_diameter55.0 MILLIMETERS NOMINAL MM
overall_width49.2 MILLIMETERS NOMINAL MM
end_item_identification4610-01-488-6961
overall_outside_diameter120.0 MILLIMETERS NOMINAL MM
part_name_assigned_by_controlling_agencyANGULAR CONTACT BALL BEARING
NSN3110-01-686-3404
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 23431-312 · OEM ⚠ 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
•
OVERALL OUTSIDE DIAMETER: 120.0 MILLIMETERS NOMINAL MM
•
BORE DIAMETER: 55.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
OVERALL WIDTH49.2 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER120.0 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYANGULAR CONTACT BALL BEARING
END ITEM IDENTIFICATION4610-01-488-6961
BORE DIAMETER55.0 MILLIMETERS NOMINAL MM
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

No substitute or cross-reference records for this part.

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 23431-312?
23431-312 is a BEARING,BALL,ANNULAR.
What is the NSN for 23431-312?
23431-312 is cataloged in the U.S. Government catalog under NSN 3110-01-686-3404. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.