4251837 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

4251837: 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: 0.7874 INCHES NOMINAL IN, outside_diameter: 3.5433 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.0312 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0296, 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

4251837

NSN: 3110-00-100-0296
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 6N299 — AGCO CORP PARTS OPN (USA)

SPECIFICATIONS

material	STEEL OVERALL
overall_width	0.7874 INCHES NOMINAL IN
outside_diameter	3.5433 INCHES NOMINAL IN
style_designator	NORMAL ANGLE
backface_corner_radius	0.0312 INCHES NOMINAL IN
standard_tolerance_designation	AFBMA CLASS 2
NSN	3110-00-100-0296

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: NORMAL ANGLE

•

OUTSIDE DIAMETER: 3.5433 INCHES NOMINAL IN

•

BACKFACE CORNER RADIUS: 0.0312 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	0.7874 INCHES NOMINAL IN
OUTSIDE DIAMETER	3.5433 INCHES NOMINAL IN
BACKFACE CORNER RADIUS	0.0312 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION	AFBMA CLASS 2
MATERIAL	STEEL OVERALL

SUBSTITUTES & CROSS-REFERENCES 6

363Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

16309WReference document

Same NSN cross-reference

Reference document — Secondary reference

251837Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

121476Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

K363Same 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 4251837?

4251837 is a CUP,TAPERED ROLLER BEARING.

What parts can replace 4251837?

There are 6 known substitutes for 4251837: 363, 16309W, 251837 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 4251837?

4251837 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0296. This indicates validated use in U.S. government and defense supply chains.

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4251837 — CUP,TAPERED ROLLER BEARING

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