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PartsTable / COMPONENT / MILB17931CNT
MILB17931CNT ✓ 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_shape: STRAIGHT, bore_diameter: 0.9841 INCHES MINIMUM AND 0.9843 INCHES MAXIMUM IN, overall_width: 0.5886 INCHES MINIMUM AND 0.5906 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-922-8516, 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
MILB17931CNT
NSN: 3110-00-922-8516
FSC: 3110
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.9841 INCHES MINIMUM AND 0.9843 INCHES MAXIMUM IN
overall_width0.5886 INCHES MINIMUM AND 0.5906 INCHES MAXIMUM IN
seal_quantity2
load_directionRADIAL
surface_finishGROUND
shield_quantity1
special_featuresBEARING PACKED W/ GREASE 30 TO 50 PERCENT FULL
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
internal_clearance0.0004 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
NSN3110-00-922-8516
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MILB17931CNT · 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: 1.3778 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
INTERNAL CLEARANCE: 0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
•
RETAINER FABRICATION METHOD: PRESSED
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER1.3778 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
LUBRICATION MATERIALGREASE
INTERNAL FIT-UP DESIGNATIONSTANDARD
CRITICALITY CODE JUSTIFICATIONZZZW
INTERNAL CLEARANCE0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
LOAD DIRECTIONRADIAL
BEARING SEAL TYPECONTACT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 37
2650-2230GP1 ITEM 50Interchangeable
interchangeable cross-reference
interchangeable
405850-102AInterchangeable
interchangeable cross-reference
interchangeable
2650-1145PC19NTInterchangeable
interchangeable cross-reference
interchangeable
A-254-294 ITEM NO. 21NTInterchangeable
interchangeable cross-reference
interchangeable
801627-570 PC NO. 2AInterchangeable
interchangeable cross-reference
interchangeable
A-184-237ITEM31NTInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MILB17931CNT?
MILB17931CNT is a BEARING,BALL,ANNULAR.
What parts can replace MILB17931CNT?
There are 37 known substitutes for MILB17931CNT: 2650-2230GP1 ITEM 50, 405850-102A, 2650-1145PC19NT and 34 more. Substitute compatibility should be verified for your specific system.
Is MILB17931CNT still available?
MILB17931CNT 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