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L319249 AND L319210D — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

L319249 AND L319210D: BEARING,ROLLER,TAPERED.

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: 1.5625 INCHES NOMINAL IN, cone_width: 0.8438 INCHES NOMINAL IN, bore_diameter: 3.7500 INCHES NOMINAL IN, overall_width: 1.8749 INCHES NOMINAL IN, alignment_type: RIGID. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-180-8764, 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
L319249 AND L319210D
NSN: 3110-01-180-8764
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width1.5625 INCHES NOMINAL IN
cone_width0.8438 INCHES NOMINAL IN
bore_diameter3.7500 INCHES NOMINAL IN
overall_width1.8749 INCHES NOMINAL IN
alignment_typeRIGID
standout_width0.1562 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
features_providedLUBRICATION HOLE AND LUBRICATION GROOVE
cone_corner_radius0.0600 INCHES NOMINAL IN
backface_corner_radius0.0300 INCHES NOMINAL IN
overall_outside_diameter5.1250 INCHES NOMINAL IN
NSN3110-01-180-8764
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: L319249 AND L319210D · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
CUP WIDTH: 1.5625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, DOUBLE CUP, SINGLE CONES
•
OVERALL OUTSIDE DIAMETER: 5.1250 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0300 INCHES NOMINAL IN
•
FEATURES PROVIDED: LUBRICATION HOLE AND LUBRICATION GROOVE
•
CONE CORNER RADIUS: 0.0600 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
RETAINER FABRICATION METHODPRESSED
CUP WIDTH1.5625 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
OVERALL WIDTH1.8749 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER5.1250 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0300 INCHES NOMINAL IN
FEATURES PROVIDEDLUBRICATION HOLE AND LUBRICATION GROOVE
CONE CORNER RADIUS0.0600 INCHES NOMINAL IN
STANDOUT WIDTH0.1562 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
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
2D3-290 ITEM 38Same 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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is L319249 AND L319210D?
L319249 AND L319210D is a BEARING,ROLLER,TAPERED.
What parts can replace L319249 AND L319210D?
There is 1 known substitute for L319249 AND L319210D: 2D3-290 ITEM 38. Substitute compatibility should be verified for your specific system.
What is the NSN for L319249 AND L319210D?
L319249 AND L319210D is cataloged in the U.S. Government catalog under NSN 3110-01-180-8764. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.