2JD8 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

2JD8: 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: 1.4375 INCHES NOMINAL IN, outside_diameter: 4.7343 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 3110-00-100-0495, 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

2JD8

NSN: 3110-00-100-0495
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)

SPECIFICATIONS

material	STEEL OVERALL
overall_width	1.4375 INCHES NOMINAL IN
outside_diameter	4.7343 INCHES NOMINAL IN
style_designator	NORMAL ANGLE
backface_corner_radius	0.1250 INCHES NOMINAL IN
standard_tolerance_designation	AFBMA CLASS 2
NSN	3110-00-100-0495

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: NORMAL ANGLE

•

OUTSIDE DIAMETER: 4.7343 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	1.4375 INCHES NOMINAL IN
OUTSIDE DIAMETER	4.7343 INCHES NOMINAL IN
BACKFACE CORNER RADIUS	0.1250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION	AFBMA CLASS 2
MATERIAL	STEEL OVERALL

SUBSTITUTES & CROSS-REFERENCES 7

5520Reference document

Same NSN cross-reference

Reference document — Secondary reference

6044FReference document

Same NSN cross-reference

Reference document — Secondary reference

MA1608Reference document

Same NSN cross-reference

Reference document — Secondary reference

2137Reference document

Same NSN cross-reference

Reference document — Secondary reference

30064Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

FF-B-187BReference document

Same NSN cross-reference

Reference document — Identification 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 2JD8?

2JD8 is a CUP,TAPERED ROLLER BEARING.

What parts can replace 2JD8?

There are 7 known substitutes for 2JD8: 5520, 6044F, MA1608 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 2JD8?

2JD8 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0495. This indicates validated use in U.S. government and defense supply chains.

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