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Technical Data Sheet
PartsTable / COMPONENT / D1-31190
D1-31190 ✓ 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: 0.9996 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN, overall_width: 0.3650 INCHES MINIMUM AND 0.3670 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-938-6620, 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
D1-31190
NSN: 3110-00-938-6620
FSC: 3110
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.9996 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
overall_width0.3650 INCHES MINIMUM AND 0.3670 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
special_featuresMAX WIDTH DIMENSION UNDER 11 LB GAGE LOAD; ZERO END PLAY UNDER 11 LB GAGE LOAD LBS
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter1.9995 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
retainer_fabrication_methodPRESSED
NSN3110-00-938-6620
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: D1-31190 · 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: 1.9995 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
BORE SHAPE: STRAIGHT
•
SURFACE FINISH: GROUND
•
BORE DIAMETER: 0.9996 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER1.9995 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
BORE SHAPESTRAIGHT
SPECIAL FEATURESMAX WIDTH DIMENSION UNDER 11 LB GAGE LOAD; ZERO END PLAY UNDER 11 LB GAGE LOAD LBS
OVERALL WIDTH0.3650 INCHES MINIMUM AND 0.3670 INCHES MAXIMUM IN
SURFACE FINISHGROUND
BORE DIAMETER0.9996 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
RETAINER FABRICATION METHODPRESSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
SK-6Interchangeable
interchangeable cross-reference
interchangeable
159153Interchangeable
interchangeable cross-reference
interchangeable
R161Interchangeable
interchangeable cross-reference
interchangeable
100-75Interchangeable
interchangeable cross-reference
interchangeable
50381Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D1-31190?
D1-31190 is a BEARING,BALL,ANNULAR.
What parts can replace D1-31190?
There are 5 known substitutes for D1-31190: SK-6, 159153, R161 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D1-31190?
D1-31190 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-938-6620. 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: July 2026