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Technical Data Sheet
PartsTable / COMPONENT / R14078
R14078 ✓ Verified by PartsTable
— · TAPERED BEARING
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

DISCHARGER,ELECTROSTATIC,AIRCRAF. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 1.5000 INCHES NOMINAL IN, overall_width: 1.2500 INCHES NOMINAL IN, surface_finish: GROUND, special_features: OIL HOLE IN RING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-191-0461, 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
R14078
NSN: 3110-00-191-0461
FSC: 3110
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter1.5000 INCHES NOMINAL IN
overall_width1.2500 INCHES NOMINAL IN
surface_finishGROUND
special_featuresOIL HOLE IN RING
style_designatorSOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
overall_outside_diameter1.8125 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-00-191-0461
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R14078 · 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
•
BORE DIAMETER: 1.5000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
•
SURFACE FINISH: GROUND
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
OVERALL OUTSIDE DIAMETER: 1.8125 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER1.5000 INCHES NOMINAL IN
STYLE DESIGNATORSOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
SURFACE FINISHGROUND
SPECIAL FEATURESOIL HOLE IN RING
OVERALL WIDTH1.2500 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
OVERALL OUTSIDE DIAMETER1.8125 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
ANAASA3BInterchangeable
interchangeable cross-reference
interchangeable
14078Interchangeable
interchangeable cross-reference
interchangeable
ANASA3BInterchangeable
interchangeable cross-reference
interchangeable
SH24Interchangeable
interchangeable cross-reference
interchangeable
123-1100Interchangeable
interchangeable cross-reference
interchangeable
0163621-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R14078?
R14078 is a DISCHARGER,ELECTROSTATIC,AIRCRAF.
What parts can replace R14078?
There are 11 known substitutes for R14078: ANAASA3B, 14078, ANASA3B and 8 more. Substitute compatibility should be verified for your specific system.
Is R14078 still available?
R14078 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