740859 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

740859: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL INNER RING, bore_shape: STRAIGHT, bore_diameter: 1.9683 INCHES MINIMUM AND 1.9685 INCHES MAXIMUM IN, overall_width: 0.7824 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN, surface_finish: GROUND, locating_feature: NONLOCATING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-554-0712, 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

740859

NSN: 3110-00-554-0712
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

material	STEEL INNER RING
bore_shape	STRAIGHT
bore_diameter	1.9683 INCHES MINIMUM AND 1.9685 INCHES MAXIMUM IN
overall_width	0.7824 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN
surface_finish	GROUND
locating_feature	NONLOCATING
style_designator	SINGLE ROW, TWO-DIRECTION LOCATING, TWO LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
internal_clearance	0.0009 INCHES MINIMUM RADIAL AND 0.0019 INCHES MAXIMUM RADIAL IN
overall_outside_diameter	3.5430 INCHES MINIMUM AND 3.5433 INCHES MAXIMUM IN
retainer_fabrication_method	MACHINED
standard_tolerance_designation	RBEC NO.5
material_document_and_classification	AMS 4616 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
NSN	3110-00-554-0712

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: MACHINED

•

INTERNAL CLEARANCE: 0.0009 INCHES MINIMUM RADIAL AND 0.0019 INCHES MAXIMUM RADIAL IN

•

LOCATING FEATURE: NONLOCATING

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: SINGLE ROW, TWO-DIRECTION LOCATING, TWO LIP INNER RING, TWO LIP OUTER RING, SEPARABLE

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4616 ASSN STD SINGLE MATERIAL RESPONSE RETAINER

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	MACHINED
INTERNAL CLEARANCE	0.0009 INCHES MINIMUM RADIAL AND 0.0019 INCHES MAXIMUM RADIAL IN
LOCATING FEATURE	NONLOCATING
SURFACE FINISH	GROUND
STYLE DESIGNATOR	SINGLE ROW, TWO-DIRECTION LOCATING, TWO LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 4616 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
MATERIAL DOCUMENT AND CLASSIFICATION	PWA 723,DSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATION	PWA 723,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATION	PWA 723,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE ROLLER
OVERALL WIDTH	0.7824 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 3

310913Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

740860Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

768295Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 740859?

740859 is a BEARING,ROLLER,CYLINDRICAL.

What parts can replace 740859?

There are 3 known substitutes for 740859: 310913, 740860, 768295. Substitute compatibility should be verified for your specific system.

What is the NSN for 740859?

740859 is cataloged in the U.S. Government catalog under NSN 3110-00-554-0712. This indicates validated use in U.S. government and defense supply chains.

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740859 — BEARING,ROLLER,CYLINDRICAL

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