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Technical Data Sheet
PartsTable / COMPONENT / FFB171/04J04K2B
FFB171/04J04K2B ✓ 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 FFB171/04J04K2B is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-136-7777, 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
FFB171/04J04K2B
NSN: 3110-00-136-7777
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFFB171/04J04K2B
NSN3110-00-136-7777
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FFB171/04J04K2B · 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
•
SURFACE FINISH: GROUND
•
LOAD DIRECTION: RADIAL
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
•
BORE DIAMETER: 20.00 MILLIMETERS NOMINAL MM
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
BORE SHAPE: STRAIGHT
•
SHIELD QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH14.0 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
LOAD DIRECTIONRADIAL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
BORE DIAMETER20.00 MILLIMETERS NOMINAL MM
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE SHAPESTRAIGHT
SHIELD QUANTITY2
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
DE52195Interchangeable
interchangeable cross-reference
interchangeable
442112-72Interchangeable
interchangeable cross-reference
interchangeable
442112Interchangeable
interchangeable cross-reference
interchangeable
ST5M1302-001Interchangeable
interchangeable cross-reference
interchangeable
1203079A001-000Interchangeable
interchangeable cross-reference
interchangeable
31-4372-9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFB171/04J04K2B?
FFB171/04J04K2B is a FFB171/04J04K2B.
What parts can replace FFB171/04J04K2B?
There are 12 known substitutes for FFB171/04J04K2B: DE52195, 442112-72, 442112 and 9 more. Substitute compatibility should be verified for your specific system.
Is FFB171/04J04K2B still available?
FFB171/04J04K2B 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