PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 6386-6320
6386-6320 ✓ 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,ROLLER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, cup_width: 1.7500 INCHES NOMINAL IN, cone_width: 2.2050 INCHES NOMINAL IN, bore_diameter: 2.6250 INCHES NOMINAL IN, overall_width: 2.1250 INCHES NOMINAL IN, standout_width: 0.3750 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 3110-00-100-5975, 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
6386-6320
NSN: 3110-00-100-5975
FSC: 3110
CAGE: 71956 — RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width1.7500 INCHES NOMINAL IN
cone_width2.2050 INCHES NOMINAL IN
bore_diameter2.6250 INCHES NOMINAL IN
overall_width2.1250 INCHES NOMINAL IN
standout_width0.3750 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.1710 INCHES NOMINAL IN
backface_corner_radius0.1250 INCHES NOMINAL IN
overall_outside_diameter5.3447 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-5975
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 6386-6320 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
•
CONE CORNER RADIUS: 0.1710 INCHES NOMINAL IN
•
CUP WIDTH: 1.7500 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 5.3447 INCHES NOMINAL IN
•
BORE DIAMETER: 2.6250 INCHES NOMINAL IN
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)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OVERALL WIDTH2.1250 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
CONE CORNER RADIUS0.1710 INCHES NOMINAL IN
CUP WIDTH1.7500 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER5.3447 INCHES NOMINAL IN
BORE DIAMETER2.6250 INCHES NOMINAL IN
STANDOUT WIDTH0.3750 INCHES NOMINAL IN
CONE WIDTH2.2050 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
E2292PC3-11Interchangeable
interchangeable cross-reference
interchangeable
E1811PC39-48Interchangeable
interchangeable cross-reference
interchangeable
E2918PC38-48Interchangeable
interchangeable cross-reference
interchangeable
YAV10H4Interchangeable
interchangeable cross-reference
interchangeable
31828Interchangeable
interchangeable cross-reference
interchangeable
41438Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6386-6320?
6386-6320 is a BEARING,ROLLER,TAPERED.
What parts can replace 6386-6320?
There are 13 known substitutes for 6386-6320: E2292PC3-11, E1811PC39-48, E2918PC38-48 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6386-6320?
6386-6320 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-5975. 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