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PartsTable / COMPONENT / D1-025289 PIECE 19
D1-025289 PIECE 19 ✓ 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 COMP E52100 OUTER RING, bore_shape: STRAIGHT, bore_diameter: 1.3778 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN, overall_width: 1.3730 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-991-0942, 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
D1-025289 PIECE 19
NSN: 3110-00-991-0942
FSC: 3110
CAGE: 64731 — WESTERN SKY INDUSTRIES INC DBA ELECTROMECH TECHOLOGIES (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OUTER RING
bore_shapeSTRAIGHT
bore_diameter1.3778 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN
overall_width1.3730 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
seal_quantity2
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeLIPS TURNED OUTWARDLY
internal_clearance0.0004 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
overall_outside_diameter3.1494 INCHES MINIMUM AND 3.1496 INCHES MAXIMUM IN
NSN3110-00-991-0942
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: D1-025289 PIECE 19 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
•
SURFACE FINISH: GROUND
•
BEARING SEAL TYPE: LIPS TURNED OUTWARDLY
•
INTERNAL CLEARANCE: 0.0004 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
•
LOAD DIRECTION: RADIAL
•
RETAINER FABRICATION METHOD: PRESSED
•
INTERNAL FIT-UP DESIGNATION: TIGHT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH1.3730 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
SURFACE FINISHGROUND
BEARING SEAL TYPELIPS TURNED OUTWARDLY
INTERNAL CLEARANCE0.0004 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
LOAD DIRECTIONRADIAL
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONTIGHT
SEAL QUANTITY2
LUBRICATION MATERIALGREASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 35
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
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FREQUENTLY ASKED QUESTIONS
What is D1-025289 PIECE 19?
D1-025289 PIECE 19 is a BEARING,BALL,ANNULAR.
What parts can replace D1-025289 PIECE 19?
There are 35 known substitutes for D1-025289 PIECE 19: H2650-1540PC23, 2650-1165PC26, 2650-2275GP2 ITEM 52 and 32 more. Substitute compatibility should be verified for your specific system.
Is D1-025289 PIECE 19 still available?
D1-025289 PIECE 19 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