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12446560 — BEARING,ROLLER,NEEDLE

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

12446560: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 1.3748 INCHES NOMINAL IN, overall_width: 1.2420 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, style_designator: NON-SEPARABLE, OPEN END, DRAWN SHELL. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-644-7403, 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
12446560
NSN: 3110-01-644-7403
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter1.3748 INCHES NOMINAL IN
overall_width1.2420 INCHES NOMINAL IN
alignment_typeRIGID
surface_finishGROUND
style_designatorNON-SEPARABLE, OPEN END, DRAWN SHELL
end_item_identificationHMPT800
overall_outside_diameter1.7507 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
part_name_assigned_by_controlling_agencyBEARING,ROLLER,CAGED,2ND RANGE
NSN3110-01-644-7403
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 12446560 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-SEPARABLE, OPEN END, DRAWN SHELL
•
OVERALL OUTSIDE DIAMETER: 1.7507 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
STYLE DESIGNATORNON-SEPARABLE, OPEN END, DRAWN SHELL
OVERALL WIDTH1.2420 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.7507 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
PART NAME ASSIGNED BY CONTROLLING AGENCYBEARING,ROLLER,CAGED,2ND RANGE
END ITEM IDENTIFICATIONHMPT800
BORE DIAMETER1.3748 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
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 12446560?
12446560 is a BEARING,ROLLER,NEEDLE.
What is the NSN for 12446560?
12446560 is cataloged in the U.S. Government catalog under NSN 3110-01-644-7403. 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.