PartsTable
Technical Data Sheet
PartsTable / COMPONENT / FF-B-171/21

FF-B-171/21 — Technical Data Sheet

✓ 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, bore_diameter: 30.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MAXIMUM, overall_width: 16.0 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 under NSN 3110-00-156-5253, 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-171/21
NSN: 3110-00-156-5253
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter30.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MAXIMUM
overall_width16.0 MILLIMETERS NOMINAL MM
seal_quantity2
load_directionRADIAL
surface_finishGROUND
special_featuresMIN DRAG SEAL
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
bearing_seal_typeCONTACT
lubrication_materialGREASE
NSN3110-00-156-5253
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-171/21 · 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
•
RETAINER FABRICATION METHOD: MACHINED
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
MATERIAL: STEEL BALL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
STANDARD TOLERANCE DESIGNATIONABEC NO.1
INTERNAL FIT-UP DESIGNATIONSTANDARD
STANDARD TOLERANCE DESIGNATIONABEC NO.1
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
MATERIALSTEEL BALL
MATERIALSTEEL INNER RING
MATERIALSTEEL INNER RING
MATERIALPLASTIC PHENOLIC RETAINER
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
209RInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AA59625-109TABTUInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A-A-59625InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
P9618566-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FFB171/21Y11A2EInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7211WNDUInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy FF-B-171/21?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is FF-B-171/21?
FF-B-171/21 is a BEARING,BALL,ANNULAR.
What parts can replace FF-B-171/21?
There are 31 known substitutes for FF-B-171/21: 209R, AA59625-109TABTU, A-A-59625 and 28 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-B-171/21?
FF-B-171/21 is cataloged in the Federal Logistics Information System under NSN 3110-00-156-5253. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — FF-B-171/21

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026