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A33753 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

A33753: 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, bore_diameter: 3.0000 INCHES MINIMUM AND 3.0005 INCHES MAXIMUM IN, overall_width: 4.5000 INCHES MINIMUM AND 4.5160 INCHES MAXIMUM IN, standout_width: 0.7187 INCHES NOMINAL IN, special_features: ASSY CONSISTS OF 2 CONES H917840 2 CUPS H917810 CONE SPACER H917840XA CUP SPACER H917810EA, cone_corner_radius: 0.1400 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-250-5502, 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
A33753
NSN: 3110-00-250-5502
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter3.0000 INCHES MINIMUM AND 3.0005 INCHES MAXIMUM IN
overall_width4.5000 INCHES MINIMUM AND 4.5160 INCHES MAXIMUM IN
standout_width0.7187 INCHES NOMINAL IN
special_featuresASSY CONSISTS OF 2 CONES H917840 2 CUPS H917810 CONE SPACER H917840XA CUP SPACER H917810EA
cone_corner_radius0.1400 INCHES NOMINAL IN
overall_outside_diameter7.1250 INCHES MINIMUM AND 7.1260 INCHES MAXIMUM IN
NSN3110-00-250-5502
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A33753 · 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
•
OVERALL OUTSIDE DIAMETER: 7.1250 INCHES MINIMUM AND 7.1260 INCHES MAXIMUM IN
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.7187 INCHES NOMINAL IN
•
BORE DIAMETER: 3.0000 INCHES MINIMUM AND 3.0005 INCHES MAXIMUM 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
OVERALL WIDTH4.5000 INCHES MINIMUM AND 4.5160 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER7.1250 INCHES MINIMUM AND 7.1260 INCHES MAXIMUM IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
STANDOUT WIDTH0.7187 INCHES NOMINAL IN
SPECIAL FEATURESASSY CONSISTS OF 2 CONES H917840 2 CUPS H917810 CONE SPACER H917840XA CUP SPACER H917810EA
BORE DIAMETER3.0000 INCHES MINIMUM AND 3.0005 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 1
9423356Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 A33753?
A33753 is a BEARING,ROLLER,TAPERED.
What parts can replace A33753?
There is 1 known substitute for A33753: 9423356. Substitute compatibility should be verified for your specific system.
What is the NSN for A33753?
A33753 is cataloged in the U.S. Government catalog under NSN 3110-00-250-5502. 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.