298-278-2 — CAPACITOR,FIXED,CERAMIC DIELECTR

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

298-278-2: CAPACITOR,FIXED,CERAMIC DIELECTR.

CAPACITOR,FIXED,CERAMIC DIELECTR. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 2.0000 INCHES NOMINAL IN, overall_width: 1.7600 INCHES NOMINAL IN, surface_finish: GROUND, special_features: ONE OIL HOLE; OIL GROOVE ON ID. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-143-2990, 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

298-278-2

NSN: 3110-00-143-2990
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 61361 — REXWORKS INC (USA)

SPECIFICATIONS

material	STEEL OVERALL
bore_shape	STRAIGHT
bore_diameter	2.0000 INCHES NOMINAL IN
overall_width	1.7600 INCHES NOMINAL IN
surface_finish	GROUND
special_features	ONE OIL HOLE; OIL GROOVE ON ID
style_designator	SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
overall_outside_diameter	2.5000 INCHES NOMINAL IN
standard_tolerance_designation	AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN	3110-00-143-2990

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE

•

OVERALL OUTSIDE DIAMETER: 2.5000 INCHES NOMINAL IN

•

BORE SHAPE: STRAIGHT

•

STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS

•

BORE DIAMETER: 2.0000 INCHES NOMINAL IN

TYPICAL APPLICATIONS

RAID cache protection during power loss events
Write-back cache enablement for storage controllers
Enterprise server data integrity assurance
Hot-swap battery/capacitor replacement in production

TECHNICAL CHARACTERISTICS

SURFACE FINISH	GROUND
STYLE DESIGNATOR	SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
OVERALL WIDTH	1.7600 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER	2.5000 INCHES NOMINAL IN
BORE SHAPE	STRAIGHT
SPECIAL FEATURES	ONE OIL HOLE; OIL GROOVE ON ID
STANDARD TOLERANCE DESIGNATION	AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
BORE DIAMETER	2.0000 INCHES NOMINAL IN
MATERIAL	STEEL OVERALL

SUBSTITUTES & CROSS-REFERENCES 7

10917068Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

9HE282Reference document

Same NSN cross-reference

Reference document — Secondary reference

MC10Reference document

Same NSN cross-reference

Reference document — Secondary reference

10108499-2Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

MI32Reference document

Same NSN cross-reference

Reference document — Secondary reference

1002912-02Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is 298-278-2?

298-278-2 is a CAPACITOR,FIXED,CERAMIC DIELECTR.

What parts can replace 298-278-2?

There are 7 known substitutes for 298-278-2: 10917068, 9HE282, MC10 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 298-278-2?

298-278-2 is cataloged in the U.S. Government catalog under NSN 3110-00-143-2990. This indicates validated use in U.S. government and defense supply chains.

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298-278-2 — CAPACITOR,FIXED,CERAMIC DIELECTR

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