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JLM104910 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

JLM104910: 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 material: STEEL OVERALL, overall_width: 17.0 MILLIMETERS NOMINAL MM, outside_diameter: 82.0 MILLIMETERS NOMINAL MM, special_features: DUTY CLASS JLM SERIES, style_designator: NORMAL ANGLE, backface_corner_radius: 0.5000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-191-3923, 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
JLM104910
NSN: 3110-00-191-3923
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width17.0 MILLIMETERS NOMINAL MM
outside_diameter82.0 MILLIMETERS NOMINAL MM
special_featuresDUTY CLASS JLM SERIES
style_designatorNORMAL ANGLE
backface_corner_radius0.5000 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-191-3923
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: JLM104910 · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
OUTSIDE DIAMETER: 82.0 MILLIMETERS NOMINAL MM
•
BACKFACE CORNER RADIUS: 0.5000 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
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
STYLE DESIGNATORNORMAL ANGLE
OVERALL WIDTH17.0 MILLIMETERS NOMINAL MM
OUTSIDE DIAMETER82.0 MILLIMETERS NOMINAL MM
BACKFACE CORNER RADIUS0.5000 INCHES NOMINAL IN
SPECIAL FEATURESDUTY CLASS JLM SERIES
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
376463C1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5357394Reference document
Same NSN cross-reference
Reference document — Secondary reference
JD9106Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
104910Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
183614Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
3074929M1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is JLM104910?
JLM104910 is a CUP,TAPERED ROLLER BEARING.
What parts can replace JLM104910?
There are 7 known substitutes for JLM104910: 376463C1, 5357394, JD9106 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JLM104910?
JLM104910 is cataloged in the U.S. Government catalog under NSN 3110-00-191-3923. 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.