PartsTable
Technical Data Sheet
PartsTable / COMPONENT / FF-B-171A
FF-B-171A ✓ 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 BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, cone_width: 0.8750 INCHES NOMINAL IN, bore_diameter: 3.1486 INCHES NOMINAL IN, overall_width: 1.8898 INCHES NOMINAL IN, load_direction: RADIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-054-6663, 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-171A
NSN: 3110-00-054-6663
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
cone_width0.8750 INCHES NOMINAL IN
bore_diameter3.1486 INCHES NOMINAL IN
overall_width1.8898 INCHES NOMINAL IN
seal_quantity1
load_directionRADIAL
surface_finishGROUND
shield_quantity2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
cone_corner_radius0.0312 INCHES NOMINAL IN
NSN3110-00-054-6663
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-171A · 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
•
LOAD DIRECTION: RADIAL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
SURFACE FINISH: GROUND
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: ITR 72701,FSCM 54527 MFR REF SINGLE MATERIAL RESPONSE
•
BORE SHAPE: STRAIGHT
•
NONDEFINITIVE SPEC/STD DATA: 111 TYPE AND 00 GRADE AND 3 CLASS
TECHNICAL CHARACTERISTICS (FLIS)
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SURFACE FINISHGROUND
INTERNAL FIT-UP DESIGNATIONSTANDARD
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONITR 72701,FSCM 54527 MFR REF SINGLE MATERIAL RESPONSE
BORE SHAPESTRAIGHT
NONDEFINITIVE SPEC/STD DATA111 TYPE AND 00 GRADE AND 3 CLASS
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY LUBRICATION MATERIAL
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
FF-B-171AInterchangeable
interchangeable cross-reference
interchangeable
067-65-230-460Interchangeable
interchangeable cross-reference
interchangeable
365Interchangeable
interchangeable cross-reference
interchangeable
A66Interchangeable
interchangeable cross-reference
interchangeable
6308RSJDCInterchangeable
interchangeable cross-reference
interchangeable
6308RSJInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-B-171A?
FF-B-171A is a BEARING,BALL,ANNULAR.
What parts can replace FF-B-171A?
There are 15 known substitutes for FF-B-171A: FF-B-171A, 067-65-230-460, 365 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-B-171A?
FF-B-171A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-054-6663. 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