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60A1391 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

60A1391: 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 body_width: 3.060 INCHES NOMINAL IN, body_height: 1.500 INCHES NOMINAL IN, body_length: 2.880 INCHES NOMINAL IN, body_material: METAL, inclosure_type: HERMETICALLY SEALED, overall_height: 2.200 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-330-7490, 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
60A1391
NSN: 3110-01-330-7490
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 18990 — EAGLE CRUSHER CO INC DBA STEDMAN MACHINE CO (USA)
SPECIFICATIONS
body_width3.060 INCHES NOMINAL IN
body_height1.500 INCHES NOMINAL IN
body_length2.880 INCHES NOMINAL IN
body_materialMETAL
inclosure_typeHERMETICALLY SEALED
overall_height2.200 INCHES NOMINAL IN
overall_length3.580 INCHES NOMINAL IN
style_designatorRECTANGULAR TERMINAL/TERMINALS ON TWO SURFACES
nominal_thread_size0.138 INCHES IN
operating_temp_range-55.0 TO 85.0 CELSIUS DEGC
load_impedance_per_function50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
mounting_facility_type_and_quantity4 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
NSN3110-01-330-7490
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 60A1391 · 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
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
SUBSTITUTES & CROSS-REFERENCES 1
585801Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 60A1391?
60A1391 is a BEARING,ROLLER,TAPERED.
What parts can replace 60A1391?
There is 1 known substitute for 60A1391: 585801. Substitute compatibility should be verified for your specific system.
What is the NSN for 60A1391?
60A1391 is cataloged in the U.S. Government catalog under NSN 3110-01-330-7490. 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.