PartsTable
Technical Data Sheet
PartsTable / COMPONENT / FF-B-171/103J09E2B
FF-B-171/103J09E2B ✓ 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

The FF-B-171/103J09E2B is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-107-7577, 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
FF-B-171/103J09E2B
NSN: 3110-00-107-7577
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFF-B-171/103J09E2B
NSN3110-00-107-7577
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-171/103J09E2B · 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
•
MATERIAL: STEEL BALL
•
LUBRICATION MATERIAL: GREASE
•
LOAD DIRECTION: RADIAL
•
SURFACE FINISH: GROUND
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL BALL
MATERIALRUBBER SYNTHETIC SEAL
MATERIALSTEEL RETAINER
LUBRICATION MATERIALGREASE
LOAD DIRECTIONRADIAL
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
MATERIALSTEEL INNER RING
INTERNAL FIT-UP DESIGNATIONSTANDARD
BEARING SEAL TYPECONTACT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
520-SSInterchangeable
interchangeable cross-reference
interchangeable
1122531Interchangeable
interchangeable cross-reference
interchangeable
520Interchangeable
interchangeable cross-reference
interchangeable
27316-03Interchangeable
interchangeable cross-reference
interchangeable
N2731603Interchangeable
interchangeable cross-reference
interchangeable
E2909PC74Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-B-171/103J09E2B?
FF-B-171/103J09E2B is a FF-B-171/103J09E2B.
What parts can replace FF-B-171/103J09E2B?
There are 30 known substitutes for FF-B-171/103J09E2B: 520-SS, 1122531, 520 and 27 more. Substitute compatibility should be verified for your specific system.
Is FF-B-171/103J09E2B still available?
FF-B-171/103J09E2B 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