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Technical Data Sheet
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X3003 — Technical Data Sheet

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— · 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 INNER RING, bore_shape: STRAIGHT, bore_diameter: 20.00 MILLIMETERS NOMINAL MM, overall_width: 14.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-679-4139, 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
X3003
NSN: 3110-00-679-4139
FSC: 3110
CAGE: 79575 — WICO-PRESTOLITE CO THE DIV OF ELTRA CORP (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
bore_diameter20.00 MILLIMETERS NOMINAL MM
overall_width14.0 MILLIMETERS NOMINAL MM
seal_quantity2
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
internal_clearance0.0035 INCHES MINIMUM RADIAL AND 0.0055 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
overall_outside_diameter47.00 MILLIMETERS NOMINAL MM
NSN3110-00-679-4139
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: X3003 · 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: 20.00 MILLIMETERS NOMINAL MM
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
INTERNAL CLEARANCE: 0.0035 INCHES MINIMUM RADIAL AND 0.0055 INCHES MAXIMUM RADIAL IN
•
LUBRICATION MATERIAL: GREASE
•
RETAINER FABRICATION METHOD: PRESSED
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS
BORE DIAMETER20.00 MILLIMETERS NOMINAL MM
BEARING SEAL TYPECONTACT
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
STANDARD TOLERANCE DESIGNATIONABEC NO.1
INTERNAL CLEARANCE0.0035 INCHES MINIMUM RADIAL AND 0.0055 INCHES MAXIMUM RADIAL IN
LUBRICATION MATERIALGREASE
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
SEAL QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
6010-2RSInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
9110PPInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
608251InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
111-03002-8420InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-STD-102BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FFB171ATYPE111CLASS8GRADE00InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X3003?
X3003 is a BEARING,BALL,ANNULAR.
What parts can replace X3003?
There are 6 known substitutes for X3003: 6010-2RS, 9110PP, 608251 and 3 more. Substitute compatibility should be verified for your specific system.
Is X3003 still available?
X3003 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: October 2026