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Technical Data Sheet
PartsTable / COMPONENT / 394 1-2
394 1-2 ✓ Verified by PartsTable
Clementoni · 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 material: STEEL COMP 631 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, body_style: CYLINDRICAL (SCREWED), coil_quantity: 11, overall_width: 0.6250 INCHES NOMINAL IN, inside_diameter: 0.100 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0580, 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
394 1-2
NSN: 3110-00-100-0580
FSC: 3110
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL COMP 631 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
body_styleCYLINDRICAL (SCREWED)
coil_quantity11
overall_width0.6250 INCHES NOMINAL IN
inside_diameter0.100 INCHES NOMINAL IN
outside_diameter4.1250 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentPASSIVATE OVERALL
operating_pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
spring_free_length0.498 INCHES NOMINAL IN
flow_control_deviceDISK, LIFT
NSN3110-00-100-0580
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 394 1-2 · Clementoni ⚠ 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
•
OUTSIDE DIAMETER: 4.1250 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0800 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NORMAL ANGLE
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
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 (FLIS)
OVERALL WIDTH0.6250 INCHES NOMINAL IN
OUTSIDE DIAMETER4.1250 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0800 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
39250Interchangeable
interchangeable cross-reference
interchangeable
FFB187/01-454Interchangeable
interchangeable cross-reference
interchangeable
39250-39412Interchangeable
interchangeable cross-reference
interchangeable
AA59649-454Interchangeable
interchangeable cross-reference
interchangeable
21076Interchangeable
interchangeable cross-reference
interchangeable
M21076Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 394 1-2?
394 1-2 is a CONE AND ROLLERS,TAPERED ROLLER manufactured by Clementoni.
What parts can replace 394 1-2?
There are 20 known substitutes for 394 1-2: 39250, FFB187/01-454, 39250-39412 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 394 1-2?
394 1-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0580. 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