PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 25581
25581 ✓ 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include voltage_rating: 36.000 VOLTS NOMINAL, wattage_rating: 2.400 WATTS AND 3.600 WATTS, rated_average_life: HOURS, end_item_identification: FORKLIFT-DREXEL DEC 1983 3930-01-080-3246 MOD NO; SL-42.5-ESS (EE), emitted_light_characteristic: COLORLESS, current_rating_for_which_designed: 10.000 AMPERES MINIMUM AND 15.000 AMPERES MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-3542, 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
25581
NSN: 3110-00-100-3542
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
voltage_rating36.000 VOLTS NOMINAL
wattage_rating2.400 WATTS AND 3.600 WATTS
rated_average_lifeHOURS
end_item_identificationFORKLIFT-DREXEL DEC 1983 3930-01-080-3246 MOD NO; SL-42.5-ESS (EE)
emitted_light_characteristicCOLORLESS
current_rating_for_which_designed10.000 AMPERES MINIMUM AND 15.000 AMPERES MAXIMUM
filament_heavy_duty_service_ratingNOT RATED
bulb_light_transmission_characteristicTRANSPARENT
NSN3110-00-100-3542
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 25581 · 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: 0.0156 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
CONE WIDTH: 1.0000 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NORMAL ANGLE
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.0156 INCHES NOMINAL IN
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
CONE WIDTH1.0000 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
49726Interchangeable
interchangeable cross-reference
interchangeable
70400Interchangeable
interchangeable cross-reference
interchangeable
10570Interchangeable
interchangeable cross-reference
interchangeable
851140Interchangeable
interchangeable cross-reference
interchangeable
07-851140Interchangeable
interchangeable cross-reference
interchangeable
109251Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 25581?
25581 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 25581?
There are 14 known substitutes for 25581: 49726, 70400, 10570 and 11 more. Substitute compatibility should be verified for your specific system.
Is 25581 still available?
25581 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