PartsTable
Technical Data Sheet
PartsTable / COMPONENT / FF-B-171/33
FF-B-171/33 ✓ 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-171/33 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-4699, 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-171/33
NSN: 3110-00-156-4699
FSC: 3110
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberFF-B-171/33
NSN3110-00-156-4699
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: FF-B-171/33 · 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: ANGULAR
•
BORE SHAPE: STRAIGHT
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
NONDEFINITIVE SPEC/STD DATA: 143 TYPE AND 00 GRADE
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
LOAD DIRECTIONANGULAR
BORE SHAPESTRAIGHT
INTERNAL FIT-UP DESIGNATIONSTANDARD
STANDARD TOLERANCE DESIGNATIONABEC NO.1
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
NONDEFINITIVE SPEC/STD DATA143 TYPE AND 00 GRADE
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATA143 TYPE AND 00 GRADE
BORE DIAMETER30.00 MILLIMETERS NOMINAL MM
OVERALL WIDTH1.1875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
4.50-6Interchangeable
interchangeable cross-reference
interchangeable
5.30/4.50-6Interchangeable
interchangeable cross-reference
interchangeable
GP5/5.30/4.50-6/TR87/OFF CENTERInterchangeable
interchangeable cross-reference
interchangeable
5307Interchangeable
interchangeable cross-reference
interchangeable
SKF5307Interchangeable
interchangeable cross-reference
interchangeable
HR5069Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-B-171/33?
FF-B-171/33 is a FF-B-171/33.
What parts can replace FF-B-171/33?
There are 26 known substitutes for FF-B-171/33: 4.50-6, 5.30/4.50-6, GP5/5.30/4.50-6/TR87/OFF CENTER and 23 more. Substitute compatibility should be verified for your specific system.
Is FF-B-171/33 still available?
FF-B-171/33 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026