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Technical Data Sheet
PartsTable / COMPONENT / 3NPS1NT
3NPS1NT ✓ 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_diameter: 2.9526 INCHES MINIMUM AND 2.9528 INCHES MAXIMUM IN, overall_width: 1.4517 INCHES MINIMUM AND 1.4567 INCHES MAXIMUM IN, load_direction: ANGULAR, surface_finish: GROUND, style_designator: UNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-992-1015, 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
3NPS1NT
NSN: 3110-00-992-1015
FSC: 3110
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter2.9526 INCHES MINIMUM AND 2.9528 INCHES MAXIMUM IN
overall_width1.4517 INCHES MINIMUM AND 1.4567 INCHES MAXIMUM IN
load_directionANGULAR
surface_finishGROUND
style_designatorUNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE
overall_outside_diameter6.2990 INCHES MINIMUM AND 6.2992 INCHES MAXIMUM IN
internal_fit-up_designationTIGHT
nondefinitive_spec/std_data134 TYPE AND 1 CLASS
retainer_fabrication_methodPRESSED
departure_from_cited_documentANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE
criticality_code_justificationZZZW
NSN3110-00-992-1015
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3NPS1NT · 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
•
OVERALL OUTSIDE DIAMETER: 6.2990 INCHES MINIMUM AND 6.2992 INCHES MAXIMUM IN
•
DEPARTURE FROM CITED DOCUMENT: ANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE
•
NONDEFINITIVE SPEC/STD DATA: 134 TYPE AND 1 CLASS
•
MATERIAL: GREASE LUBRICATION
•
STYLE DESIGNATOR: UNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE
•
INTERNAL FIT-UP DESIGNATION: TIGHT
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER6.2990 INCHES MINIMUM AND 6.2992 INCHES MAXIMUM IN
DEPARTURE FROM CITED DOCUMENTANNUAL BALL BEARING FOR QUIET OPERATION APPLICATION TO SUBMARINE USAGE
NONDEFINITIVE SPEC/STD DATA134 TYPE AND 1 CLASS
MATERIALGREASE LUBRICATION
STYLE DESIGNATORUNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE
MATERIALSTEEL OVERALL
INTERNAL FIT-UP DESIGNATIONTIGHT
SURFACE FINISHGROUND
LOAD DIRECTIONANGULAR
OVERALL WIDTH1.4517 INCHES MINIMUM AND 1.4567 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
A-326-239-33Interchangeable
interchangeable cross-reference
interchangeable
416821-69-FPInterchangeable
interchangeable cross-reference
interchangeable
3504-14PC54Interchangeable
interchangeable cross-reference
interchangeable
23133958Interchangeable
interchangeable cross-reference
interchangeable
7423133958Interchangeable
interchangeable cross-reference
interchangeable
A13121.0.01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3NPS1NT?
3NPS1NT is a BEARING,BALL,ANNULAR.
What parts can replace 3NPS1NT?
There are 15 known substitutes for 3NPS1NT: A-326-239-33, 416821-69-FP, 3504-14PC54 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3NPS1NT?
3NPS1NT is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-992-1015. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026