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Technical Data Sheet
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230390 — 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include overall_width: 3.125 INCHES NOMINAL IN, inclosure_type: PARTIALLY INCLOSED, overall_height: 1.375 INCHES NOMINAL IN, overall_length: 9.750 INCHES NOMINAL IN, special_features: ACTION ID 45540202, basic_shape_style: RECTANGULAR OR SQUARE. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-100-3632, 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
230390
NSN: 3110-00-100-3632
FSC: 3110
CAGE: 30076 — HYSTER-YALE GROUP, INC. (USA)
SPECIFICATIONS
overall_width3.125 INCHES NOMINAL IN
inclosure_typePARTIALLY INCLOSED
overall_height1.375 INCHES NOMINAL IN
overall_length9.750 INCHES NOMINAL IN
special_featuresACTION ID 45540202
basic_shape_styleRECTANGULAR OR SQUARE
installation_designMECHANICAL
circuit_construction_typeSOLID STATE
NSN3110-00-100-3632
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 230390 · 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: 4.2500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
CONE WIDTH: 1.4375 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS
BORE DIAMETER4.2500 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
CONE WIDTH1.4375 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 43
339A176InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
17119-17244BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FFB187/02-019InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
BT772BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
772BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
42880InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 230390?
230390 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 230390?
There are 43 known substitutes for 230390: 339A176, 17119-17244B, FFB187/02-019 and 40 more. Substitute compatibility should be verified for your specific system.
Is 230390 still available?
230390 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: September 2026