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Technical Data Sheet
PartsTable / COMPONENT / 385A
385A ✓ 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: ALUMINUM, cone_width: 0.8640 INCHES NOMINAL IN, mouth_width: 1.627 INCHES MINIMUM AND 1.747 INCHES MAXIMUM IN, mouth_length: 2.127 INCHES MINIMUM AND 2.247 INCHES MAXIMUM IN, bore_diameter: 2.0000 INCHES NOMINAL IN, overall_width: 2.127 INCHES MINIMUM AND 2.247 INCHES MAXIMUM 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 3110-00-100-0226, 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
385A
NSN: 3110-00-100-0226
FSC: 3110
CAGE: 33323 — KENWORTH TRUCK CO A DIV OF PACCAR INC (USA)
SPECIFICATIONS
materialALUMINUM
cone_width0.8640 INCHES NOMINAL IN
mouth_width1.627 INCHES MINIMUM AND 1.747 INCHES MAXIMUM IN
mouth_length2.127 INCHES MINIMUM AND 2.247 INCHES MAXIMUM IN
bore_diameter2.0000 INCHES NOMINAL IN
overall_width2.127 INCHES MINIMUM AND 2.247 INCHES MAXIMUM IN
overall_height1.627 INCHES MINIMUM AND 1.747 INCHES MAXIMUM IN
overall_length3.377 INCHES MINIMUM AND 3.497 INCHES MAXIMUM IN
style_designatorNORMAL ANGLE
connection_methodWAVEGUIDE FLANGE
surface_treatmentENAMEL OUTSIDE
cone_corner_radius0.0938 INCHES NOMINAL IN
NSN3110-00-100-0226
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 385A · 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
•
CONE WIDTH: 0.8640 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
BORE DIAMETER: 2.0000 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0938 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
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)
CONE WIDTH0.8640 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
BORE DIAMETER2.0000 INCHES NOMINAL IN
CONE CORNER RADIUS0.0938 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
AN3111-7Interchangeable
interchangeable cross-reference
interchangeable
5975002126249Interchangeable
interchangeable cross-reference
interchangeable
22507Interchangeable
interchangeable cross-reference
interchangeable
22507CHANGEHInterchangeable
interchangeable cross-reference
interchangeable
62-639Interchangeable
interchangeable cross-reference
interchangeable
DR657769Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 385A?
385A is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 385A?
There are 15 known substitutes for 385A: AN3111-7, 5975002126249, 22507 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 385A?
385A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0226. 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