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Technical Data Sheet
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71449-4 — 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

CONDUIT ASSEMBLY,METAL,FLEXIBLE. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, trade_size: 0.250, bore_diameter: 17.00 MILLIMETERS NOMINAL MM, overall_width: 0.8750 INCHES NOMINAL IN, load_direction: ANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-00-156-4817, 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
71449-4
NSN: 3110-00-156-4817
FSC: 3110
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
trade_size0.250
bore_diameter17.00 MILLIMETERS NOMINAL MM
overall_width0.8750 INCHES NOMINAL IN
load_directionANGULAR
surface_finishGROUND
style_designatorLOADING GROOVE, NON-SEPARABLE
terminal_end_typePLAIN FERRULE W/COUPLING NUT BOTH ENDS
overall_outside_diameter47.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
nondefinitive_spec/std_data145 TYPE AND 00 GRADE
NSN3110-00-156-4817
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 71449-4 · 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
•
SURFACE FINISH: GROUND
•
INTERNAL FIT-UP CONTACT ANGULAR DIRECTION: INWARD CONVERGENT
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
INTERNAL FIT-UP DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS
LOAD DIRECTIONANGULAR
SURFACE FINISHGROUND
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONINWARD CONVERGENT
MATERIALSTEEL OVERALL
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
INTERNAL FIT-UP DESIGNATIONSTANDARD
MATERIALSTEEL OVERALL
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
NONDEFINITIVE SPEC/STD DATA145 TYPE AND 00 GRADE
LOAD DIRECTIONANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
62177VInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
21408InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6013-32InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
26721InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
355.06InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1132954C2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 71449-4?
71449-4 is a CONDUIT ASSEMBLY,METAL,FLEXIBLE.
What parts can replace 71449-4?
There are 14 known substitutes for 71449-4: 62177V, 21408, 6013-32 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 71449-4?
71449-4 is cataloged in the Federal Logistics Information System under NSN 3110-00-156-4817. 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: September 2026