2D147 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

2D147: 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 COMP 8740 OVERALL, nut_style: HEXAGON, nut_height: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNF, thread_direction: LEFT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0383, 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

2D147

NSN: 3110-00-100-0383
NIINs: 001000383, 002865733
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)

SPECIFICATIONS

material	STEEL COMP 8740 OVERALL
nut_style	HEXAGON
nut_height	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
thread_class	3B
thread_series	UNF
thread_direction	LEFT-HAND
countersink_angle	45.0 DEGREES NOMINAL NUT
surface_treatment	CADMIUM OVERALL
width_across_flats	1.0515 INCHES MINIMUM AND 1.0625 INCHES MAXIMUM IN
nominal_thread_size	0.750 INCHES IN
bearing_surface_type	CHAMFERED
nut_counterbore_depth	0.050 INCHES NOMINAL NUT IN
NSN	3110-00-100-0383

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: NORMAL ANGLE

•

OUTSIDE DIAMETER: 3.4843 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	1.3125 INCHES NOMINAL IN
OUTSIDE DIAMETER	3.4843 INCHES NOMINAL IN
BACKFACE CORNER RADIUS	0.1250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION	AFBMA CLASS 2
MATERIAL	STEEL OVERALL

SUBSTITUTES & CROSS-REFERENCES 6

4320Reference document

Same NSN cross-reference

Reference document — Secondary reference

1A5021Reference document

Same NSN cross-reference

Reference document — Secondary reference

534760Reference document

Same NSN cross-reference

Reference document — Secondary reference

K4320Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

120071Reference document

Same NSN cross-reference

Reference document — Secondary reference

706776Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 2D147?

2D147 is a CUP,TAPERED ROLLER BEARING.

What parts can replace 2D147?

There are 6 known substitutes for 2D147: 4320, 1A5021, 534760 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 2D147?

2D147 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0383. This indicates validated use in U.S. government and defense supply chains.

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