DD8418 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

DD8418: 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: 1.6875 INCHES NOMINAL IN, outside_diameter: 6.3750 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.1250 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-101-1791, 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

DD8418

NSN: 3110-00-101-1791
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)

SPECIFICATIONS

material	STEEL OVERALL
overall_width	1.6875 INCHES NOMINAL IN
outside_diameter	6.3750 INCHES NOMINAL IN
style_designator	NORMAL ANGLE
backface_corner_radius	0.1250 INCHES NOMINAL IN
standard_tolerance_designation	AFBMA CLASS 2
NSN	3110-00-101-1791

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: NORMAL ANGLE

•

OUTSIDE DIAMETER: 6.3750 INCHES NOMINAL IN

•

BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN

•

STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2

•

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 DESIGNATOR	NORMAL ANGLE
OVERALL WIDTH	1.6875 INCHES NOMINAL IN
OUTSIDE DIAMETER	6.3750 INCHES NOMINAL IN
BACKFACE CORNER RADIUS	0.1250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION	AFBMA CLASS 2
MATERIAL	STEEL OVERALL

SUBSTITUTES & CROSS-REFERENCES 8

904058Reference document

Same NSN cross-reference

Reference document — Secondary reference

617413C1Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

6535Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

31000-0102Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

TM9134Reference document

Same NSN cross-reference

Reference document — Secondary reference

12364299Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is DD8418?

DD8418 is a CUP,TAPERED ROLLER BEARING.

What parts can replace DD8418?

There are 8 known substitutes for DD8418: 904058, 617413C1, 6535 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for DD8418?

DD8418 is cataloged in the U.S. Government catalog under NSN 3110-00-101-1791. This indicates validated use in U.S. government and defense supply chains.

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DD8418 — CUP,TAPERED ROLLER BEARING

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