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JLM104948-90N04 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

JLM104948-90N04: 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 cup_width: 0.6693 INCHES NOMINAL0.6693 INCHES NOMINAL IN, cone_width: 0.8465 INCHES NOMINAL0.8465 INCHES NOMINAL IN, bore_diameter: 1.9680 INCHES MINIMUM AND 1.9680 INCHES MINIMUM AND 1.9685 INCHES MAXIMUM1.9685 INCHES MAXIMUM IN, overall_width: 1.9231 INCHES MINIMUM AND 1.9231 INCHES MINIMUM AND 1.9291 INCHES MAXIMUM1.9291 INCHES MAXIMUM IN, standout_width: 0.1869 INCHES NOMINAL0.1869 INCHES NOMINAL IN, cone_corner_radius: 0.1200 INCHES NOMINAL0.1200 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-371-4095, 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
JLM104948-90N04
NSN: 3110-01-371-4095
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
cup_width0.6693 INCHES NOMINAL0.6693 INCHES NOMINAL IN
cone_width0.8465 INCHES NOMINAL0.8465 INCHES NOMINAL IN
bore_diameter1.9680 INCHES MINIMUM AND 1.9680 INCHES MINIMUM AND 1.9685 INCHES MAXIMUM1.9685 INCHES MAXIMUM IN
overall_width1.9231 INCHES MINIMUM AND 1.9231 INCHES MINIMUM AND 1.9291 INCHES MAXIMUM1.9291 INCHES MAXIMUM IN
standout_width0.1869 INCHES NOMINAL0.1869 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, SINGLE CUPS, SINGLE CONES CUP AND CONE SPACERSSTRAIGHT BORE, SINGLE CUPS, SINGLE CONES CUP AND CONE SPACERS
cone_corner_radius0.1200 INCHES NOMINAL0.1200 INCHES NOMINAL IN
backface_corner_radius0.1500 INCHES NOMINAL0.1500 INCHES NOMINAL IN
overall_outside_diameter3.2277 INCHES MINIMUM AND 3.2277 INCHES MINIMUM AND 3.2283 INCHES MAXIMUM3.2283 INCHES MAXIMUM IN
NSN3110-01-371-4095
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: JLM104948-90N04 · 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
•
CUP WIDTH: 0.6693 INCHES NOMINAL0.6693 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, SINGLE CUPS, SINGLE CONES CUP AND CONE SPACERSSTRAIGHT BORE, SINGLE CUPS, SINGLE CONES CUP AND CONE SPACERS
•
OVERALL OUTSIDE DIAMETER: 3.2277 INCHES MINIMUM AND 3.2277 INCHES MINIMUM AND 3.2283 INCHES MAXIMUM3.2283 INCHES MAXIMUM IN
•
BACKFACE CORNER RADIUS: 0.1500 INCHES NOMINAL0.1500 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1200 INCHES NOMINAL0.1200 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.1869 INCHES NOMINAL0.1869 INCHES NOMINAL IN
•
CONE WIDTH: 0.8465 INCHES NOMINAL0.8465 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
CUP WIDTH0.6693 INCHES NOMINAL0.6693 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, SINGLE CUPS, SINGLE CONES CUP AND CONE SPACERSSTRAIGHT BORE, SINGLE CUPS, SINGLE CONES CUP AND CONE SPACERS
OVERALL WIDTH1.9231 INCHES MINIMUM AND 1.9231 INCHES MINIMUM AND 1.9291 INCHES MAXIMUM1.9291 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER3.2277 INCHES MINIMUM AND 3.2277 INCHES MINIMUM AND 3.2283 INCHES MAXIMUM3.2283 INCHES MAXIMUM IN
BACKFACE CORNER RADIUS0.1500 INCHES NOMINAL0.1500 INCHES NOMINAL IN
CONE CORNER RADIUS0.1200 INCHES NOMINAL0.1200 INCHES NOMINAL IN
STANDOUT WIDTH0.1869 INCHES NOMINAL0.1869 INCHES NOMINAL IN
CONE WIDTH0.8465 INCHES NOMINAL0.8465 INCHES NOMINAL IN
BORE DIAMETER1.9680 INCHES MINIMUM AND 1.9680 INCHES MINIMUM AND 1.9685 INCHES MAXIMUM1.9685 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 JLM104948-90N04?
JLM104948-90N04 is a BEARING,ROLLER,TAPERED.
What is the NSN for JLM104948-90N04?
JLM104948-90N04 is cataloged in the U.S. Government catalog under NSN 3110-01-371-4095. 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.