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Technical Data Sheet
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ME99 — Technical Data Sheet

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— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

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: 0.3437 INCHES NOMINAL IN, cone_width: 0.4391 INCHES NOMINAL IN, bore_diameter: 0.6250 INCHES NOMINAL IN, overall_width: 0.4687 INCHES NOMINAL IN, standout_width: 0.1250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-101-3582, 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
MRO→ MRO_GENERAL→ ME99
NSN: 3110-00-101-3582
FSC: 3110
CAGE: 27996 — HEIL ENVIRONMENTAL INDUSTRIES (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.3437 INCHES NOMINAL IN
cone_width0.4391 INCHES NOMINAL IN
bore_diameter0.6250 INCHES NOMINAL IN
overall_width0.4687 INCHES NOMINAL IN
standout_width0.1250 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.0500 INCHES NOMINAL IN
fsc_application_dataSOUND RECORDING AND REPRODUCING EQUIPMENT
backface_corner_radius0.0500 INCHES NOMINAL IN
overall_outside_diameter1.6250 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-101-3582
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: ME99 · 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
•
MATERIAL: STEEL OVERALL
•
BACKFACE CORNER RADIUS: 0.0500 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
STANDOUT WIDTH: 0.1250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
CONE CORNER RADIUS: 0.0500 INCHES NOMINAL IN
•
CUP WIDTH: 0.3437 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 (FLIS)
MATERIALSTEEL OVERALL
BACKFACE CORNER RADIUS0.0500 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
STANDOUT WIDTH0.1250 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
OVERALL WIDTH0.4687 INCHES NOMINAL IN
CONE CORNER RADIUS0.0500 INCHES NOMINAL IN
CUP WIDTH0.3437 INCHES NOMINAL IN
BORE DIAMETER0.6250 INCHES NOMINAL IN
CONE WIDTH0.4391 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
99Interchangeable
interchangeable cross-reference
interchangeable
T9379RL3045Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ME99?
ME99 is a BEARING,ROLLER,TAPERED. It is classified as a MRO (MRO_GENERAL).
What parts can replace ME99?
There are 2 known substitutes for ME99: 99, T9379RL3045. Substitute compatibility should be verified for your specific system.
What is the NSN for ME99?
ME99 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-101-3582. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026