02878 — CONE AND ROLLERS,TAPERED ROLLER

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

02878: CONE AND ROLLERS,TAPERED ROLLER.

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include hole_diameter: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, style_designator: NON-CIRCULAR, aperture_diameter: 0.781 INCHES NOMINAL IN, surface_treatment: TIN OVERALL, cross-sectional_thickness: 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN, cross-sectional_shape_style: METAL AND METALLIC MATERIALS. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-9484, 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

02878

NSN: 3110-00-100-9484
NIINs: 001009484, 003149645, 014067742
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60038 — THE TIMKEN CORPORATION (USA)

SPECIFICATIONS

hole_diameter	0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
style_designator	NON-CIRCULAR
aperture_diameter	0.781 INCHES NOMINAL IN
surface_treatment	TIN OVERALL
cross-sectional_thickness	0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
cross-sectional_shape_style	METAL AND METALLIC MATERIALS
environmental_attribute_code	ASBESTOS ALTERNATIVE PRODUCTS
material_document_and_classification	ASTM F104 F732000E00-1Z ASSN STD SINGLE MATERIAL RESPONSE OR ASTM F104 F734000E00-1Z ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	AMS2408-6 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
center_to_center_distance_between_bolt_holes_along_length	1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
NSN	3110-00-100-9484

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: NORMAL ANGLE

•

CONE CORNER RADIUS: 0.0310 INCHES NOMINAL IN

•

CONE WIDTH: 0.8750 INCHES NOMINAL IN

•

STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2

•

BORE DIAMETER: 1.3750 INCHES NOMINAL IN

•

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
CONE CORNER RADIUS	0.0310 INCHES NOMINAL IN
CONE WIDTH	0.8750 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION	AFBMA CLASS 2
BORE DIAMETER	1.3750 INCHES NOMINAL IN
MATERIAL	STEEL OVERALL

SUBSTITUTES & CROSS-REFERENCES 2

AA59649-139Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

A-A-59649Reference 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 02878?

02878 is a CONE AND ROLLERS,TAPERED ROLLER.

What parts can replace 02878?

There are 2 known substitutes for 02878: AA59649-139, A-A-59649. Substitute compatibility should be verified for your specific system.

What is the NSN for 02878?

02878 is cataloged in the U.S. Government catalog under NSN 3110-00-100-9484. This indicates validated use in U.S. government and defense supply chains.

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02878 — CONE AND ROLLERS,TAPERED ROLLER

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