PartsTable
Technical Data Sheet
Download PDF

L555210V-2-397 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

L555210V-2-397: CUP,TAPERED ROLLER BEARING.

The CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include outside_diameter: 14.7500 INCHES MINIMUM AND 14.7520 INCHES MAXIMUM IN, backface_corner_radius: 1.8670 INCHES MINIMUM AND 1.8830 INCHES MAXIMUM IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-149-2005, 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
L555210V-2-397
NSN: 3110-01-149-2005
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
outside_diameter14.7500 INCHES MINIMUM AND 14.7520 INCHES MAXIMUM IN
backface_corner_radius1.8670 INCHES MINIMUM AND 1.8830 INCHES MAXIMUM IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-01-149-2005
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: L555210V-2-397 · 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
•
OUTSIDE DIAMETER: 14.7500 INCHES MINIMUM AND 14.7520 INCHES MAXIMUM IN
•
BACKFACE CORNER RADIUS: 1.8670 INCHES MINIMUM AND 1.8830 INCHES MAXIMUM IN
•
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
OUTSIDE DIAMETER14.7500 INCHES MINIMUM AND 14.7520 INCHES MAXIMUM IN
BACKFACE CORNER RADIUS1.8670 INCHES MINIMUM AND 1.8830 INCHES MAXIMUM IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 1
SB3613-201Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
Ready to buy L555210V-2-397?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is L555210V-2-397?
L555210V-2-397 is a CUP,TAPERED ROLLER BEARING.
What parts can replace L555210V-2-397?
There is 1 known substitute for L555210V-2-397: SB3613-201. Substitute compatibility should be verified for your specific system.
What is the NSN for L555210V-2-397?
L555210V-2-397 is cataloged in the U.S. Government catalog under NSN 3110-01-149-2005. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — L555210V-2-397

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.