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A-4599 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

A-4599: 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: 1.4275 INCHES NOMINAL IN, bore_diameter: 0.9835 INCHES NOMINAL IN, overall_width: 1.5625 INCHES NOMINAL IN, standout_width: 0.0675 INCHES NOMINAL IN, special_features: OIL HOLE AND GROOVE IN CUP. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-120-1631, 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
A-4599
NSN: 3110-00-120-1631
NIINs: 001201631, 011360733, 013740567
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width1.4275 INCHES NOMINAL IN
bore_diameter0.9835 INCHES NOMINAL IN
overall_width1.5625 INCHES NOMINAL IN
standout_width0.0675 INCHES NOMINAL IN
special_featuresOIL HOLE AND GROOVE IN CUP
style_designatorSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES, NON-ADJUSTABLE
cone_corner_radius0.0620 INCHES NOMINAL IN
backface_corner_radius0.0310 INCHES NOMINAL IN
overall_outside_diameter2.4410 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-120-1631
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A-4599 · 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: 1.4275 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, DOUBLE CUP, SINGLE CONES, NON-ADJUSTABLE
•
OVERALL OUTSIDE DIAMETER: 2.4410 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0310 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0620 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.0675 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
CUP WIDTH1.4275 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES, NON-ADJUSTABLE
OVERALL WIDTH1.5625 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER2.4410 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0310 INCHES NOMINAL IN
CONE CORNER RADIUS0.0620 INCHES NOMINAL IN
STANDOUT WIDTH0.0675 INCHES NOMINAL IN
SPECIAL FEATURESOIL HOLE AND GROOVE IN CUP
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER0.9835 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 A-4599?
A-4599 is a BEARING,ROLLER,TAPERED.
What is the NSN for A-4599?
A-4599 is cataloged in the U.S. Government catalog under NSN 3110-00-120-1631. 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.