203-004-0001 — BEARING,BALL,AIRFRAME

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

203-004-0001: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RING, bore_diameter: 2.8122 INCHES MINIMUM AND 2.8125 INCHES MAXIMUM IN, load_direction: RADIAL, inner_ring_width: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN, outer_ring_width: 0.3120 INCHES NOMINAL IN, style_designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-978-1371, 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

203-004-0001

NSN: 3110-00-978-1371
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 95542 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

material	STEEL OUTER RING
bore_diameter	2.8122 INCHES MINIMUM AND 2.8125 INCHES MAXIMUM IN
load_direction	RADIAL
shield_quantity	2
inner_ring_width	0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
outer_ring_width	0.3120 INCHES NOMINAL IN
style_designator	SINGLE ROW INNER RING EXTENDED BOTH SIDES
lubrication_material	GREASE
overall_outside_diameter	3.4997 INCHES MINIMUM AND 3.5000 INCHES MAXIMUM IN
lubrication_material_document_and_classification	MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
NSN	3110-00-978-1371

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION MATERIAL: GREASE

•

OUTER RING WIDTH: 0.3120 INCHES NOMINAL IN

•

SHIELD QUANTITY: 2

•

STYLE DESIGNATOR: SINGLE ROW INNER RING EXTENDED BOTH SIDES

•

OVERALL OUTSIDE DIAMETER: 3.4997 INCHES MINIMUM AND 3.5000 INCHES MAXIMUM IN

•

LOAD DIRECTION: RADIAL

•

BORE DIAMETER: 2.8122 INCHES MINIMUM AND 2.8125 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

LUBRICATION MATERIAL	GREASE
OUTER RING WIDTH	0.3120 INCHES NOMINAL IN
SHIELD QUANTITY	2
STYLE DESIGNATOR	SINGLE ROW INNER RING EXTENDED BOTH SIDES
OVERALL OUTSIDE DIAMETER	3.4997 INCHES MINIMUM AND 3.5000 INCHES MAXIMUM IN
LOAD DIRECTION	RADIAL
SPECIAL FEATURES	INNER RING RADIAL RUNOUT 0.0005 IN. ALSO OUTER RING RADIAL RUNOUT 0.0006 IN. ALSO INTEGRAL SHIELDS ARE FORMED BY EXTENDING THE LANDS OF THE INNER RING ALSO RADIAL CLEARANCE 0.0005 IN. MIN. 0.0015 IN. MAX ALSO OUTER RING FRACTURED AT ON POINT ALSO 2 RETAINING RINGS ON OD OF OUTER RING IN
BORE DIAMETER	2.8122 INCHES MINIMUM AND 2.8125 INCHES MAXIMUM IN
MATERIAL	STEEL OUTER RING
MATERIAL	STEEL INNER RING

OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722

SUBSTITUTES & CROSS-REFERENCES 1

TWF4S561Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 203-004-0001?

203-004-0001 is a BEARING,BALL,AIRFRAME.

What parts can replace 203-004-0001?

There is 1 known substitute for 203-004-0001: TWF4S561. Substitute compatibility should be verified for your specific system.

What is the NSN for 203-004-0001?

203-004-0001 is cataloged in the U.S. Government catalog under NSN 3110-00-978-1371. This indicates validated use in U.S. government and defense supply chains.

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203-004-0001 — BEARING,BALL,AIRFRAME

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