630998 — BEARING,BALL,DUPLEX

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

630998: BEARING,BALL,DUPLEX.

The BEARING,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY RETAINER, bore_diameter: 2.7559 INCHES NOMINAL IN, overall_width: 2.7559 INCHES NOMINAL IN, load_direction: ANGULAR, surface_finish: GROUND, special_features: PAIR OF BEARINGS. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-494-3416, 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

630998

NSN: 3110-01-494-3416
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 1S3F8 — BLACKMER SYSTEM ONE, INC. DIV BLACKMER SYSTEM ONE, INC. (USA)

SPECIFICATIONS

material	COPPER ALLOY RETAINER
bore_diameter	2.7559 INCHES NOMINAL IN
overall_width	2.7559 INCHES NOMINAL IN
load_direction	ANGULAR
surface_finish	GROUND
special_features	PAIR OF BEARINGS
style_designator	UNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE
end_item_identification	PUMP, CTFGL
overall_outside_diameter	5.9055 INCHES NOMINAL IN
bearing_preload_designation	LIGHT
retainer_fabrication_method	PRESSED
standard_tolerance_designation	ABEC NO.1
NSN	3110-01-494-3416

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: PRESSED

•

SURFACE FINISH: GROUND

•

BEARING PRELOAD DESIGNATION: LIGHT

•

STYLE DESIGNATOR: UNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE

•

OVERALL OUTSIDE DIAMETER: 5.9055 INCHES NOMINAL IN

•

LOAD DIRECTION: ANGULAR

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	PRESSED
SURFACE FINISH	GROUND
BEARING PRELOAD DESIGNATION	LIGHT
STYLE DESIGNATOR	UNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE
OVERALL WIDTH	2.7559 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER	5.9055 INCHES NOMINAL IN
LOAD DIRECTION	ANGULAR
SPECIAL FEATURES	PAIR OF BEARINGS
END ITEM IDENTIFICATION	PUMP, CTFGL
STANDARD TOLERANCE DESIGNATION	ABEC NO.1

SUBSTITUTES & CROSS-REFERENCES 2

1801490 ITEM NO. 18Reference document

Same NSN cross-reference

Reference document — Secondary reference

1801490Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 630998?

630998 is a BEARING,BALL,DUPLEX.

What parts can replace 630998?

There are 2 known substitutes for 630998: 1801490 ITEM NO. 18, 1801490. Substitute compatibility should be verified for your specific system.

What is the NSN for 630998?

630998 is cataloged in the U.S. Government catalog under NSN 3110-01-494-3416. This indicates validated use in U.S. government and defense supply chains.

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630998 — BEARING,BALL,DUPLEX

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