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623DCTN — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

623DCTN: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL BALL, bore_shape: STRAIGHT, bore_diameter: 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN, overall_width: 0.4325 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-049-2811, 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
623DCTN
NSN: 3110-01-049-2811
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 43761 — TERO TEK INTERNATIONAL, INC. (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_shapeSTRAIGHT
bore_diameter0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
overall_width0.4325 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
seal_quantity2
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
overall_outside_diameter1.3745 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
NSN3110-01-049-2811
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 623DCTN · 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
•
BEARING SEAL TYPE: CONTACT
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 1.3745 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
SEAL QUANTITY: 2
TECHNICAL CHARACTERISTICS
BEARING SEAL TYPECONTACT
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.4325 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER1.3745 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
SEAL QUANTITY2
BORE DIAMETER0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
MATERIALSTEEL OUTER RING
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
123Reference document
Same NSN cross-reference
Reference document — Secondary reference
1623DCReference document
Same NSN cross-reference
Reference document — Secondary reference
1623DCTNReference document
Same NSN cross-reference
Reference document — Secondary reference
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 623DCTN?
623DCTN is a BEARING,BALL,ANNULAR.
What parts can replace 623DCTN?
There are 3 known substitutes for 623DCTN: 123, 1623DC, 1623DCTN. Substitute compatibility should be verified for your specific system.
What is the NSN for 623DCTN?
623DCTN is cataloged in the U.S. Government catalog under NSN 3110-01-049-2811. 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.