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Technical Data Sheet
PartsTable / COMPONENT / FF-B-171/30Y16A2C
FF-B-171/30Y16A2C ✓ 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-171/30Y16A2C 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 3110-00-156-8198, 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-171/30Y16A2C
NSN: 3110-00-156-8198
FSC: 3110
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberFF-B-171/30Y16A2C
NSN3110-00-156-8198
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-171/30Y16A2C · 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 SHAPE: STRAIGHT
•
NONDEFINITIVE SPEC/STD DATA: 134 TYPE AND 00 GRADE
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
LOAD DIRECTION: ANGULAR
•
OVERALL OUTSIDE DIAMETER: 170.00 MILLIMETERS NOMINAL MM
•
CONTACT ANGLE: 25.0 DEGREES MINIMUM
TECHNICAL CHARACTERISTICS (FLIS)
BORE SHAPESTRAIGHT
BORE SHAPESTRAIGHT
NONDEFINITIVE SPEC/STD DATA134 TYPE AND 00 GRADE
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
LOAD DIRECTIONANGULAR
OVERALL OUTSIDE DIAMETER170.00 MILLIMETERS NOMINAL MM
OVERALL WIDTH39.0 MILLIMETERS NOMINAL MM
CONTACT ANGLE25.0 DEGREES MINIMUM
LOAD DIRECTIONANGULAR
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
30-316Interchangeable
interchangeable cross-reference
interchangeable
30 AND 32Interchangeable
interchangeable cross-reference
interchangeable
K139893Interchangeable
interchangeable cross-reference
interchangeable
Q30308Z14Interchangeable
interchangeable cross-reference
interchangeable
Q30308NDInterchangeable
interchangeable cross-reference
interchangeable
7307BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-B-171/30Y16A2C?
FF-B-171/30Y16A2C is a FF-B-171/30Y16A2C.
What parts can replace FF-B-171/30Y16A2C?
There are 32 known substitutes for FF-B-171/30Y16A2C: 30-316, 30 AND 32, K139893 and 29 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-B-171/30Y16A2C?
FF-B-171/30Y16A2C is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-8198. 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