1278-75 — BEARING,BALL,ANNULAR

✓ Government record, cited

Hypertec · TAPERED BEARING

PRODUCT OVERVIEW

1278-75: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a Hypertec industrial component. Key specifications include material: STEEL, style_designator: OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL), surface_treatment: CADMIUM, external_thread_size: 0.375-18, internal_thread_size: 0.125-27, external_thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-155-9628, 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

1278-75

NSN: 3110-00-155-9628
NIINs: 001559628, 007043953, 014447618
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 96795 — GOULD INSTRUMENT SYSTEMS INC (USA)

SPECIFICATIONS

material	STEEL
style_designator	OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
surface_treatment	CADMIUM
external_thread_size	0.375-18
internal_thread_size	0.125-27
external_thread_direction	RIGHT-HAND
internal_thread_direction	RIGHT-HAND
external_screw_thread_series_designator	NPT
internal_screw_thread_series_designator	NPT
NSN	3110-00-155-9628

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: PRESSED

•

LUBRICATION MATERIAL: GREASE

•

INTERNAL FIT-UP DESIGNATION: STANDARD

•

SURFACE FINISH: GROUND

•

SHIELD QUANTITY: 2

•

STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE

•

OVERALL OUTSIDE DIAMETER: 0.6250 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	PRESSED
LUBRICATION MATERIAL	GREASE
INTERNAL FIT-UP DESIGNATION	STANDARD
SURFACE FINISH	GROUND
SHIELD QUANTITY	2
STYLE DESIGNATOR	NON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH	0.1970 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER	0.6250 INCHES NOMINAL IN
BORE SHAPE	STRAIGHT
DEPARTURE FROM CITED DESIGNATOR	AS MODIFIED BY SHIELD QUANTITY

SUBSTITUTES & CROSS-REFERENCES 8

ND77R4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

XA134FFReference document

Same NSN cross-reference

Reference document — Secondary reference

FFB171Reference document

Same NSN cross-reference

Reference document — Identification reference

R4ZZA1P25LG38Reference document

Same NSN cross-reference

Reference document — Secondary reference

T9316-23000085Reference document

Same NSN cross-reference

Reference document — Secondary reference

10753Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 1278-75?

1278-75 is a BEARING,BALL,ANNULAR manufactured by Hypertec.

What parts can replace 1278-75?

There are 8 known substitutes for 1278-75: ND77R4, XA134FF, FFB171 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 1278-75?

1278-75 is cataloged in the U.S. Government catalog under NSN 3110-00-155-9628. This indicates validated use in U.S. government and defense supply chains.

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1278-75 — BEARING,BALL,ANNULAR

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