149551 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

149551: 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: 0.9230 INCHES NOMINAL IN, outside_diameter: 4.7244 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.1250 INCHES NOMINAL IN, end_item_identification: TRANSALL ACD 109. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0318, 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

149551

NSN: 3110-00-100-0318
NIINs: 001000318, 016548038
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 08683 — BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC (USA)

SPECIFICATIONS

material	STEEL OVERALL
overall_width	0.9230 INCHES NOMINAL IN
outside_diameter	4.7244 INCHES NOMINAL IN
style_designator	NORMAL ANGLE
backface_corner_radius	0.1250 INCHES NOMINAL IN
end_item_identification	TRANSALL ACD 109
standard_tolerance_designation	AFBMA CLASS 2
part_name_assigned_by_controlling_agency	ANTENNA MAST
NSN	3110-00-100-0318

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: NORMAL ANGLE

•

OUTSIDE DIAMETER: 4.7244 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	0.9230 INCHES NOMINAL IN
OUTSIDE DIAMETER	4.7244 INCHES NOMINAL IN
BACKFACE CORNER RADIUS	0.1250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION	AFBMA CLASS 2
MATERIAL	STEEL OVERALL

SUBSTITUTES & CROSS-REFERENCES 8

16888CReference document

Same NSN cross-reference

Reference document — Secondary reference

530015Reference document

Same NSN cross-reference

Reference document — Secondary reference

472AReference document

Same NSN cross-reference

Reference document — Secondary reference

45130-002-06Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

K472ASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

333539Reference document

Same NSN cross-reference

Reference document — Secondary 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 149551?

149551 is a CUP,TAPERED ROLLER BEARING.

What parts can replace 149551?

There are 8 known substitutes for 149551: 16888C, 530015, 472A and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 149551?

149551 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0318. This indicates validated use in U.S. government and defense supply chains.

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