452 581-ORA — BEARING,ROLLER,JOURNAL

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

452 581-ORA: BEARING,ROLLER,JOURNAL.

The BEARING,ROLLER,JOURNAL is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RING, bore_diameter: 3.8530 INCHES MINIMUM AND 3.8580 INCHES MAXIMUM IN, overall_width: 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN, inner_ring_width: 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN, outer_ring_width: 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN, style_designator: SOLID INNER AND OUTER RACES. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-691-2169, 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

452 581-ORA

NSN: 3110-00-691-2169
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 52676 — SKF USA INC. (USA)

SPECIFICATIONS

material	STEEL OUTER RING
bore_diameter	3.8530 INCHES MINIMUM AND 3.8580 INCHES MAXIMUM IN
overall_width	0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
inner_ring_width	0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
outer_ring_width	0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
style_designator	SOLID INNER AND OUTER RACES
overall_outside_diameter	4.9980 INCHES MINIMUM AND 4.9990 INCHES MAXIMUM IN
standard_tolerance_designation	ABEC NO.3
material_document_and_classification	FED-STD-66 FED STD SINGLE MATERIAL RESPONSE INNER RING
NSN	3110-00-691-2169

COMPONENT DIAGRAM

KEY FEATURES

•

OUTER RING WIDTH: 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: SOLID INNER AND OUTER RACES

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B147-52-7A ASSN STD SINGLE MATERIAL RESPONSE RETAINER A

•

OVERALL OUTSIDE DIAMETER: 4.9980 INCHES MINIMUM AND 4.9990 INCHES MAXIMUM IN

•

STANDARD TOLERANCE DESIGNATION: ABEC NO.3

TECHNICAL CHARACTERISTICS

OUTER RING WIDTH	0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
STYLE DESIGNATOR	SOLID INNER AND OUTER RACES
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B147-52-7A ASSN STD SINGLE MATERIAL RESPONSE RETAINER A
MATERIAL DOCUMENT AND CLASSIFICATION	FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATION	FED-STD-66 FED STD SINGLE MATERIAL RESPONSE INNER RING
OVERALL WIDTH	0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER	4.9980 INCHES MINIMUM AND 4.9990 INCHES MAXIMUM IN
STANDARD TOLERANCE DESIGNATION	ABEC NO.3
BORE DIAMETER	3.8530 INCHES MINIMUM AND 3.8580 INCHES MAXIMUM IN
MATERIAL	STEEL OUTER RING

SUBSTITUTES & CROSS-REFERENCES 5

204-040-270-3Reference document

Same NSN cross-reference

Reference document — Secondary reference

XLR3 1/2E1XReference document

Same NSN cross-reference

Reference document — Secondary reference

204-040-270-003Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

D2-35849Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

452581Reference 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 demandDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is 452 581-ORA?

452 581-ORA is a BEARING,ROLLER,JOURNAL.

What parts can replace 452 581-ORA?

There are 5 known substitutes for 452 581-ORA: 204-040-270-3, XLR3 1/2E1X, 204-040-270-003 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 452 581-ORA?

452 581-ORA is cataloged in the U.S. Government catalog under NSN 3110-00-691-2169. This indicates validated use in U.S. government and defense supply chains.

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