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Technical Data Sheet
PartsTable / COMPONENT / FF-B-171B
FF-B-171B ✓ 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: PLASTIC POLYAMIDE NYLON RETAINER, bore_shape: STRAIGHT, bore_diameter: 30.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MINIMUM, overall_width: 19.00 MILLIMETERS NOMINAL MM, 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 3110-00-097-6352, 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-171B
NSN: 3110-00-097-6352
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON RETAINER
bore_shapeSTRAIGHT
bore_diameter30.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MINIMUM
overall_width19.00 MILLIMETERS NOMINAL MM
seal_quantity2
load_directionRADIAL
surface_finishGROUND
shield_quantity2
inner_ring_width0.3900 INCHES NOMINAL IN
outer_ring_width0.4060 INCHES NOMINAL IN
special_featuresPAIR OF BEARINGS. 25 DEG OR LESS ANGULARITY
NSN3110-00-097-6352
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-171B · 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
•
SHIELD QUANTITY: 1
•
BORE SHAPE: STRAIGHT
•
INTERNAL FIT-UP DESIGNATION: LOOSE
•
OVERALL OUTSIDE DIAMETER: 47.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH14.0 MILLIMETERS NOMINAL MM
SPECIAL FEATURESSELECTED AND TESTED FOR EXTRA QUIET AND SMOOTH RUNNING QUALITIES
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SHIELD QUANTITY1
BORE SHAPESTRAIGHT
INTERNAL FIT-UP DESIGNATIONLOOSE
OVERALL OUTSIDE DIAMETER47.00 MILLIMETERS NOMINAL MM
BORE DIAMETER20.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
X80234Interchangeable
interchangeable cross-reference
interchangeable
CQ139223Interchangeable
interchangeable cross-reference
interchangeable
X80234-1Interchangeable
interchangeable cross-reference
interchangeable
1240-67Interchangeable
interchangeable cross-reference
interchangeable
P204KDFS50000Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-B-171B?
FF-B-171B is a BEARING,BALL,ANNULAR.
What parts can replace FF-B-171B?
There are 5 known substitutes for FF-B-171B: X80234, CQ139223, X80234-1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-B-171B?
FF-B-171B is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-097-6352. 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