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Technical Data Sheet
PartsTable / COMPONENT / 9AHM903249
9AHM903249 ✓ 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 material: STEEL OVERALL, cone_width: 1.1250 INCHES NOMINAL IN, bore_diameter: 1.7500 INCHES NOMINAL IN, special_features: DUTY CLASS HM SERIES, style_designator: STEEP ANGLE, cone_corner_radius: 0.1400 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-916-6485, 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
9AHM903249
NSN: 3110-00-916-6485
FSC: 3110
CAGE: 23382 — FWD SEAGRAVE HOLDINGS LP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.1250 INCHES NOMINAL IN
bore_diameter1.7500 INCHES NOMINAL IN
special_featuresDUTY CLASS HM SERIES
style_designatorSTEEP ANGLE
cone_corner_radius0.1400 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-916-6485
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 9AHM903249 · 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
•
CONE WIDTH: 1.1250 INCHES NOMINAL IN
•
BORE DIAMETER: 1.7500 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: STEEP ANGLE
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
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)
CONE WIDTH1.1250 INCHES NOMINAL IN
BORE DIAMETER1.7500 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSTEEP ANGLE
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
SPECIAL FEATURESDUTY CLASS HM SERIES
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
53177-53375Interchangeable
interchangeable cross-reference
interchangeable
377A191Interchangeable
interchangeable cross-reference
interchangeable
BT53177-533Interchangeable
interchangeable cross-reference
interchangeable
78250-78551Interchangeable
interchangeable cross-reference
interchangeable
FF-B-187/03Interchangeable
interchangeable cross-reference
interchangeable
FF-B-187/3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9AHM903249?
9AHM903249 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 9AHM903249?
There are 29 known substitutes for 9AHM903249: 53177-53375, 377A191, BT53177-533 and 26 more. Substitute compatibility should be verified for your specific system.
Is 9AHM903249 still available?
9AHM903249 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