2R525 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

2R525: 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: 1.3750 INCHES NOMINAL IN, outside_diameter: 16.3750 INCHES NOMINAL IN, special_features: DUTY CLASS L SERIES, style_designator: NORMAL ANGLE, backface_corner_radius: 0.1250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-278-6916, 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

2R525

NSN: 3110-00-278-6916
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)

SPECIFICATIONS

material	STEEL OVERALL
overall_width	1.3750 INCHES NOMINAL IN
outside_diameter	16.3750 INCHES NOMINAL IN
special_features	DUTY CLASS L SERIES
style_designator	NORMAL ANGLE
backface_corner_radius	0.1250 INCHES NOMINAL IN
standard_tolerance_designation	AFBMA CLASS 2
NSN	3110-00-278-6916

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: NORMAL ANGLE

•

OUTSIDE DIAMETER: 16.3750 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	1.3750 INCHES NOMINAL IN
OUTSIDE DIAMETER	16.3750 INCHES NOMINAL IN
BACKFACE CORNER RADIUS	0.1250 INCHES NOMINAL IN
SPECIAL FEATURES	DUTY CLASS L SERIES
STANDARD TOLERANCE DESIGNATION	AFBMA CLASS 2
MATERIAL	STEEL OVERALL

SUBSTITUTES & CROSS-REFERENCES 5

AW313453Reference document

Same NSN cross-reference

Reference document — Secondary reference

313453Reference document

Same NSN cross-reference

Reference document — Secondary reference

L860010Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

2R0525Reference document

Same NSN cross-reference

Reference document — Secondary reference

7409785Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is 2R525?

2R525 is a CUP,TAPERED ROLLER BEARING.

What parts can replace 2R525?

There are 5 known substitutes for 2R525: AW313453, 313453, L860010 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 2R525?

2R525 is cataloged in the U.S. Government catalog under NSN 3110-00-278-6916. This indicates validated use in U.S. government and defense supply chains.

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