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FF-B-171/30Y16A2C — Technical Data Sheet

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— · 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, bore_diameter: 80.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MINIMUM, overall_width: 39.0 MILLIMETERS NOMINAL MM, load_direction: ANGULAR. 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
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter80.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MINIMUM
overall_width39.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
overall_outside_diameter170.00 MILLIMETERS NOMINAL MM
nondefinitive_spec/std_data134 TYPE AND 00 GRADE
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
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
30-316InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
30 AND 32InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
K139893InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
Q30308Z14InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
Q30308NDInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7307BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
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 BEARING,BALL,ANNULAR.
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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PartsTable Design LLC · partstable.com
Last verified: September 2026