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Technical Data Sheet
PartsTable / COMPONENT / 30G83
30G83 ✓ 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: 1.7500 INCHES NOMINAL IN, outside_diameter: 7.5000 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.1250 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0342, 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
30G83
NSN: 3110-00-100-0342
FSC: 3110
CAGE: 05643 — BARBER-GREENE CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width1.7500 INCHES NOMINAL IN
outside_diameter7.5000 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
backface_corner_radius0.1250 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0342
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 30G83 · 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
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
•
OUTSIDE DIAMETER: 7.5000 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)
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OVERALL WIDTH1.7500 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
OUTSIDE DIAMETER7.5000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
M83248-1-906ESInterchangeable
interchangeable cross-reference
interchangeable
MILR83248-906ESInterchangeable
interchangeable cross-reference
interchangeable
SAE-AMS7276Interchangeable
interchangeable cross-reference
interchangeable
130111Interchangeable
interchangeable cross-reference
interchangeable
869Interchangeable
interchangeable cross-reference
interchangeable
A2972REVDInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30G83?
30G83 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 30G83?
There are 28 known substitutes for 30G83: M83248-1-906ES, MILR83248-906ES, SAE-AMS7276 and 25 more. Substitute compatibility should be verified for your specific system.
Is 30G83 still available?
30G83 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026