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Technical Data Sheet
PartsTable / COMPONENT / PFFB171-005-01
PFFB171-005-01 ✓ 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 INNER RING, bore_shape: STRAIGHT, bore_diameter: 25.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MINIMUM, overall_width: 15.0 MILLIMETERS NOMINAL MM, load_direction: ANGULAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-8006, 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
PFFB171-005-01
NSN: 3110-00-156-8006
FSC: 3110
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
bore_diameter25.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MINIMUM
overall_width15.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
overall_outside_diameter52.00 MILLIMETERS NOMINAL MM
standard_tolerance_designationABEC NO.1
NSN3110-00-156-8006
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: PFFB171-005-01 · 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 DIAMETER: 25.00 MILLIMETERS NOMINAL MM
•
SURFACE FINISH: GROUND
•
CONTACT ANGLE: 25.0 DEGREES MINIMUM
•
MATERIAL: STEEL OUTER RING
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER25.00 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
CONTACT ANGLE25.0 DEGREES MINIMUM
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
MATERIALSTEEL BALL
BORE SHAPESTRAIGHT
OVERALL WIDTH15.0 MILLIMETERS NOMINAL MM
LOAD DIRECTIONANGULAR
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
454148-2Interchangeable
interchangeable cross-reference
interchangeable
BBFM105Interchangeable
interchangeable cross-reference
interchangeable
205RInterchangeable
interchangeable cross-reference
interchangeable
160606Interchangeable
interchangeable cross-reference
interchangeable
133Interchangeable
interchangeable cross-reference
interchangeable
46AX306Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PFFB171-005-01?
PFFB171-005-01 is a BEARING,BALL,ANNULAR.
What parts can replace PFFB171-005-01?
There are 30 known substitutes for PFFB171-005-01: 454148-2, BBFM105, 205R and 27 more. Substitute compatibility should be verified for your specific system.
Is PFFB171-005-01 still available?
PFFB171-005-01 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