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A-26930 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

A-26930: 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 COMP 1010 SEPARATOR, cone_width: 1.1150 INCHES MINIMUM AND 1.1280 INCHES MAXIMUM IN, bore_diameter: 5.7500 INCHES MINIMUM AND 5.7510 INCHES MAXIMUM IN, style_designator: STEEP ANGLE, cone_corner_radius: 0.0600 INCHES NOMINAL IN, end_item_identification: 5420-00-889-2020. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-049-4829, 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-26930
NSN: 3110-01-049-4829
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 78534 — TIMKEN ORDNANCE CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 SEPARATOR
cone_width1.1150 INCHES MINIMUM AND 1.1280 INCHES MAXIMUM IN
bore_diameter5.7500 INCHES MINIMUM AND 5.7510 INCHES MAXIMUM IN
style_designatorSTEEP ANGLE
cone_corner_radius0.0600 INCHES NOMINAL IN
end_item_identification5420-00-889-2020
NSN3110-01-049-4829
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A-26930 · 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: STEEP ANGLE
•
CONE CORNER RADIUS: 0.0600 INCHES NOMINAL IN
•
CONE WIDTH: 1.1150 INCHES MINIMUM AND 1.1280 INCHES MAXIMUM IN
•
BORE DIAMETER: 5.7500 INCHES MINIMUM AND 5.7510 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1010 SEPARATOR
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 DESIGNATORSTEEP ANGLE
CONE CORNER RADIUS0.0600 INCHES NOMINAL IN
CONE WIDTH1.1150 INCHES MINIMUM AND 1.1280 INCHES MAXIMUM IN
END ITEM IDENTIFICATION5420-00-889-2020
BORE DIAMETER5.7500 INCHES MINIMUM AND 5.7510 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1010 SEPARATOR
MATERIALSTEEL COMP 4620 INNER RING
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 3
3110010494829Reference document
Same NSN cross-reference
Reference document — Informative reference only
25100935292Reference document
Same NSN cross-reference
Reference document — Secondary reference
8350524Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 A-26930?
A-26930 is a BEARING,ROLLER,TAPERED.
What parts can replace A-26930?
There are 3 known substitutes for A-26930: 3110010494829, 25100935292, 8350524. Substitute compatibility should be verified for your specific system.
What is the NSN for A-26930?
A-26930 is cataloged in the U.S. Government catalog under NSN 3110-01-049-4829. 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.