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Technical Data Sheet
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505171ITEM15 — 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,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-01-297-4732, 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
505171ITEM15
NSN: 3110-01-297-4732
FSC: 3110
CAGE: 46964 — LIFT-TECH INTL INC CRANE AND HOIST OPNS (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN3110-01-297-4732
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 505171ITEM15 · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
128B1-4INX1-8INInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3404X2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SAE J514 4-2 140239BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
9627InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
NT10819PC4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
N24385PC4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 505171ITEM15?
505171ITEM15 is a BEARING,ROLLER,NEEDLE.
What parts can replace 505171ITEM15?
There are 14 known substitutes for 505171ITEM15: 128B1-4INX1-8IN, 3404X2, SAE J514 4-2 140239B and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 505171ITEM15?
505171ITEM15 is cataloged in the Federal Logistics Information System under NSN 3110-01-297-4732. 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