PartsTable
Technical Data Sheet
PartsTable / COMPONENT / FF-B-171/32J05B2E
FF-B-171/32J05B2E ✓ 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-171/32J05B2E 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 3110-00-554-3612, 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-171/32J05B2E
NSN: 3110-00-554-3612
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFF-B-171/32J05B2E
NSN3110-00-554-3612
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-171/32J05B2E · 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
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
OVERALL OUTSIDE DIAMETER: 52.00 MILLIMETERS NOMINAL MM
•
LOAD DIRECTION: ANGULAR
•
INTERNAL FIT-UP CONTACT ANGULAR DIRECTION: OUTWARD CONVERGENT
•
BORE DIAMETER: 25.00 MILLIMETERS NOMINAL MM
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
OVERALL OUTSIDE DIAMETER52.00 MILLIMETERS NOMINAL MM
LOAD DIRECTIONANGULAR
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONOUTWARD CONVERGENT
BORE DIAMETER25.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE SHAPESTRAIGHT
OVERALL WIDTH0.8125 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
50024Interchangeable
interchangeable cross-reference
interchangeable
A-A-59636-802JCBEInterchangeable
interchangeable cross-reference
interchangeable
FFB171Interchangeable
interchangeable cross-reference
interchangeable
11091Interchangeable
interchangeable cross-reference
interchangeable
5203HInterchangeable
interchangeable cross-reference
interchangeable
7410028Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-B-171/32J05B2E?
FF-B-171/32J05B2E is a FF-B-171/32J05B2E.
What parts can replace FF-B-171/32J05B2E?
There are 34 known substitutes for FF-B-171/32J05B2E: 50024, A-A-59636-802JCBE, FFB171 and 31 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-B-171/32J05B2E?
FF-B-171/32J05B2E is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-3612. 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