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Technical Data Sheet
PartsTable / COMPONENT / FF-B-171/36J05D2X
FF-B-171/36J05D2X ✓ 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-171/36J05D2X is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-5431, 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-171/36J05D2X
NSN: 3110-00-156-5431
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFF-B-171/36J05D2X
NSN3110-00-156-5431
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-171/36J05D2X · 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: 25.00 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OVERALL
•
OVERALL OUTSIDE DIAMETER: 52.00 MILLIMETERS NOMINAL MM
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
•
BORE SHAPE: STRAIGHT
•
INTERNAL FIT-UP CONTACT ANGULAR DIRECTION: OUTWARD CONVERGENT
•
LOAD DIRECTION: ANGULAR
•
RETAINER FABRICATION METHOD: PRESSED
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER25.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
OVERALL OUTSIDE DIAMETER52.00 MILLIMETERS NOMINAL MM
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
BORE SHAPESTRAIGHT
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONOUTWARD CONVERGENT
LOAD DIRECTIONANGULAR
RETAINER FABRICATION METHODPRESSED
SHIELD QUANTITY2
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
954182Interchangeable
interchangeable cross-reference
interchangeable
14G643Interchangeable
interchangeable cross-reference
interchangeable
ST523Interchangeable
interchangeable cross-reference
interchangeable
A-A-59640Interchangeable
interchangeable cross-reference
interchangeable
01-49-01Interchangeable
interchangeable cross-reference
interchangeable
5201Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-B-171/36J05D2X?
FF-B-171/36J05D2X is a FF-B-171/36J05D2X.
What parts can replace FF-B-171/36J05D2X?
There are 33 known substitutes for FF-B-171/36J05D2X: 954182, 14G643, ST523 and 30 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-B-171/36J05D2X?
FF-B-171/36J05D2X is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-5431. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026