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233539 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

233539: CUP,TAPERED ROLLER BEARING.

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: 0.7283 INCHES NOMINAL IN, outside_diameter: 4.1339 INCHES MINIMUM IN, style_designator: DOUBLE CUP, NORMAL ANGLE, backface_corner_radius: 0.0400 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-082-8752, 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
233539
NSN: 3110-01-082-8752
NIINs: 010828752, 013960168
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21292 — KELSEY-HAYES CO FABCO DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.7283 INCHES NOMINAL IN
outside_diameter4.1339 INCHES MINIMUM IN
style_designatorDOUBLE CUP, NORMAL ANGLE
backface_corner_radius0.0400 INCHES NOMINAL IN
NSN3110-01-082-8752
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 233539 · 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
•
STYLE DESIGNATOR: DOUBLE CUP, NORMAL ANGLE
•
OUTSIDE DIAMETER: 4.1339 INCHES MINIMUM IN
•
BACKFACE CORNER RADIUS: 0.0400 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
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
STYLE DESIGNATORDOUBLE CUP, NORMAL ANGLE
OVERALL WIDTH0.7283 INCHES NOMINAL IN
OUTSIDE DIAMETER4.1339 INCHES MINIMUM IN
BACKFACE CORNER RADIUS0.0400 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
JLM-710910Reference document
Same NSN cross-reference
Reference document — Secondary reference
MA207-22801Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 233539?
233539 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 233539?
There are 2 known substitutes for 233539: JLM-710910, MA207-22801. Substitute compatibility should be verified for your specific system.
What is the NSN for 233539?
233539 is cataloged in the U.S. Government catalog under NSN 3110-01-082-8752. 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.