PartsTable
Technical Data Sheet
MIL-B-17931-G031 ✓ 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: 1.3778 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN, overall_width: 0.8248 INCHES MINIMUM AND 0.8268 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-987-3723, 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
MIL-B-17931-G031
NSN: 3110-00-987-3723
FSC: 3110
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter1.3778 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN
overall_width0.8248 INCHES MINIMUM AND 0.8268 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
lubrication_materialGREASE
overall_outside_diameter3.1494 INCHES MINIMUM AND 3.1496 INCHES MAXIMUM IN
internal_fit-up_designationTIGHT
nondefinitive_spec/std_data111 TYPE AND 1 CLASS
retainer_fabrication_methodPRESSED
NSN3110-00-987-3723
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MIL-B-17931-G031 · 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: 3.1494 INCHES MINIMUM AND 3.1496 INCHES MAXIMUM IN
BORE DIAMETER: 1.3778 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN
BORE SHAPE: STRAIGHT
RETAINER FABRICATION METHOD: PRESSED
CRITICALITY CODE JUSTIFICATION: ZZZW
LUBRICATION MATERIAL: GREASE
LOAD DIRECTION: RADIAL
INTERNAL FIT-UP DESIGNATION: TIGHT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER3.1494 INCHES MINIMUM AND 3.1496 INCHES MAXIMUM IN
BORE DIAMETER1.3778 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
RETAINER FABRICATION METHODPRESSED
CRITICALITY CODE JUSTIFICATIONZZZW
LUBRICATION MATERIALGREASE
LOAD DIRECTIONRADIAL
INTERNAL FIT-UP DESIGNATIONTIGHT
SURFACE FINISHGROUND
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 38
H2650-1540PC23Interchangeable
interchangeable cross-reference
interchangeable
2650-1165PC26Interchangeable
interchangeable cross-reference
interchangeable
2650-2275GP2 ITEM 52Interchangeable
interchangeable cross-reference
interchangeable
2650-2230GP1 ITEM 50Interchangeable
interchangeable cross-reference
interchangeable
405850-102AInterchangeable
interchangeable cross-reference
interchangeable
2650-1145PC19NTInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
Ready to buy MIL-B-17931-G031?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is MIL-B-17931-G031?
MIL-B-17931-G031 is a BEARING,BALL,ANNULAR.
What parts can replace MIL-B-17931-G031?
There are 38 known substitutes for MIL-B-17931-G031: H2650-1540PC23, 2650-1165PC26, 2650-2275GP2 ITEM 52 and 35 more. Substitute compatibility should be verified for your specific system.
Is MIL-B-17931-G031 still available?
MIL-B-17931-G031 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — MIL-B-17931-G031