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Technical Data Sheet
PartsTable / COMPONENT / JM-720210-N
JM-720210-N ✓ Verified by PartsTable
— · TAPERED BEARING
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 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: 28.0 MILLIMETERS NOMINAL MM, outside_diameter: 155.0 MILLIMETERS NOMINAL MM, special_features: JM SERIES, style_designator: NORMAL ANGLE, backface_corner_radius: 2.5 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-061-0753, 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
JM-720210-N
NSN: 3110-01-061-0753
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width28.0 MILLIMETERS NOMINAL MM
outside_diameter155.0 MILLIMETERS NOMINAL MM
special_featuresJM SERIES
style_designatorNORMAL ANGLE
backface_corner_radius2.5 MILLIMETERS NOMINAL MM
standard_tolerance_designationAFBMA CLASS 2
NSN3110-01-061-0753
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: JM-720210-N · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
OUTSIDE DIAMETER: 155.0 MILLIMETERS NOMINAL MM
•
BACKFACE CORNER RADIUS: 2.5 MILLIMETERS NOMINAL MM
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
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
STYLE DESIGNATORNORMAL ANGLE
OUTSIDE DIAMETER155.0 MILLIMETERS NOMINAL MM
OVERALL WIDTH28.0 MILLIMETERS NOMINAL MM
BACKFACE CORNER RADIUS2.5 MILLIMETERS NOMINAL MM
SPECIAL FEATURESJM SERIES
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
63408Interchangeable
interchangeable cross-reference
interchangeable
HW226MEInterchangeable
interchangeable cross-reference
interchangeable
58630Interchangeable
interchangeable cross-reference
interchangeable
5855-5Interchangeable
interchangeable cross-reference
interchangeable
5855Interchangeable
interchangeable cross-reference
interchangeable
JM720210Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is JM-720210-N?
JM-720210-N is a CUP,TAPERED ROLLER BEARING.
What parts can replace JM-720210-N?
There are 8 known substitutes for JM-720210-N: 63408, HW226ME, 58630 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JM-720210-N?
JM-720210-N is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-061-0753. 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: July 2026