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JHM516849JHM516810 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

JHM516849JHM516810: 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: 31.50 MILLIMETERS NOMINAL MM, cone_width: 38.00 MILLIMETERS NOMINAL MM, bore_diameter: 84.980 MILLIMETERS MINIMUM AND 85.000 MILLIMETERS MAXIMUM MM, overall_width: 39.00 MILLIMETERS NOMINAL MM, standout_width: 7.50 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-138-9978, 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
JHM516849JHM516810
NSN: 3110-00-138-9978
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width31.50 MILLIMETERS NOMINAL MM
cone_width38.00 MILLIMETERS NOMINAL MM
bore_diameter84.980 MILLIMETERS MINIMUM AND 85.000 MILLIMETERS MAXIMUM MM
overall_width39.00 MILLIMETERS NOMINAL MM
standout_width7.50 MILLIMETERS NOMINAL MM
special_featuresDUTY CLASS JHM SERIES
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius3.0 MILLIMETERS NOMINAL MM
backface_corner_radius2.5 MILLIMETERS NOMINAL MM
overall_outside_diameter139.982 MILLIMETERS MINIMUM AND 140.000 MILLIMETERS MAXIMUM MM
NSN3110-00-138-9978
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: JHM516849JHM516810 · 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: 31.50 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
OVERALL OUTSIDE DIAMETER: 139.982 MILLIMETERS MINIMUM AND 140.000 MILLIMETERS MAXIMUM MM
•
BACKFACE CORNER RADIUS: 2.5 MILLIMETERS NOMINAL MM
•
CONE CORNER RADIUS: 3.0 MILLIMETERS NOMINAL MM
•
STANDOUT WIDTH: 7.50 MILLIMETERS NOMINAL MM
•
CONE WIDTH: 38.00 MILLIMETERS NOMINAL MM
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 WIDTH31.50 MILLIMETERS NOMINAL MM
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
OVERALL WIDTH39.00 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER139.982 MILLIMETERS MINIMUM AND 140.000 MILLIMETERS MAXIMUM MM
BACKFACE CORNER RADIUS2.5 MILLIMETERS NOMINAL MM
CONE CORNER RADIUS3.0 MILLIMETERS NOMINAL MM
STANDOUT WIDTH7.50 MILLIMETERS NOMINAL MM
CONE WIDTH38.00 MILLIMETERS NOMINAL MM
SPECIAL FEATURESDUTY CLASS JHM SERIES
BORE DIAMETER84.980 MILLIMETERS MINIMUM AND 85.000 MILLIMETERS MAXIMUM MM
SUBSTITUTES & CROSS-REFERENCES 6
D304821-42Reference document
Same NSN cross-reference
Reference document — Secondary reference
7-069-000110Reference document
Same NSN cross-reference
Reference document — Secondary reference
2001502Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4T-JHM-516810 AND 4T-JHM-516849Reference document
Same NSN cross-reference
Reference document — Secondary reference
39428784Reference document
Same NSN cross-reference
Reference document — Secondary reference
DS3225-18Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is JHM516849JHM516810?
JHM516849JHM516810 is a BEARING,ROLLER,TAPERED.
What parts can replace JHM516849JHM516810?
There are 6 known substitutes for JHM516849JHM516810: D304821-42, 7-069-000110, 2001502 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JHM516849JHM516810?
JHM516849JHM516810 is cataloged in the U.S. Government catalog under NSN 3110-00-138-9978. This indicates validated use in U.S. government and defense supply chains.
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