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Technical Data Sheet
PartsTable / COMPONENT / 125231
125231 ✓ 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

RECTIFIER,SEMICONDUCTOR DEVICE,U. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.125 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-112-6425, 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
125231
NSN: 3110-00-112-6425
FSC: 3110
CAGE: 76894 — CELTRAC CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.125 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentNICKEL OVERALL
width_across_flats0.375 INCHES NOMINAL IN
nominal_thread_size0.190 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch32
NSN3110-00-112-6425
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 125231 · 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: 1.7500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER1.7500 INCHES NOMINAL IN
OVERALL LENGTH2.0000 INCHES NOMINAL IN
SPECIAL FEATURESROLLER TYPE: SOLID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
LS342Interchangeable
interchangeable cross-reference
interchangeable
QQA200-3Interchangeable
interchangeable cross-reference
interchangeable
S108Interchangeable
interchangeable cross-reference
interchangeable
HP94732Interchangeable
interchangeable cross-reference
interchangeable
94732Interchangeable
interchangeable cross-reference
interchangeable
TBS-8LInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 125231?
125231 is a RECTIFIER,SEMICONDUCTOR DEVICE,U.
What parts can replace 125231?
There are 25 known substitutes for 125231: LS342, QQA200-3, S108 and 22 more. Substitute compatibility should be verified for your specific system.
Is 125231 still available?
125231 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