740878 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

740878: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL ROLLER, bore_shape: STRAIGHT, bore_diameter: 0.9841 INCHES MINIMUM AND 0.9843 INCHES MAXIMUM IN, surface_finish: GROUND, inner_ring_width: 0.8100 INCHES MINIMUM AND 0.8150 INCHES MAXIMUM IN, locating_feature: NONLOCATING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-864-9379, 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

740878

NSN: 3110-00-864-9379
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 38443 — SKF USA INC. (USA)

SPECIFICATIONS

material	STEEL ROLLER
bore_shape	STRAIGHT
bore_diameter	0.9841 INCHES MINIMUM AND 0.9843 INCHES MAXIMUM IN
surface_finish	GROUND
inner_ring_width	0.8100 INCHES MINIMUM AND 0.8150 INCHES MAXIMUM IN
locating_feature	NONLOCATING
outer_ring_width	0.6643 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN
special_features	SILVER PLATE CAGE 0.0005-0.0015 THK ON LAND RIDING SURFACES AND POCKETS PER AMS 2412 NO STRIKE METAL,REQD BAKE 475-500F 2 HRS TO CHECK FOR BOND
style_designator	SOLID INNER AND OUTER RACES
internal_clearance	0.0004 INCHES MINIMUM RADIAL AND 0.0018 INCHES MAXIMUM RADIAL IN
end_item_identification	ACFT ENG J-57
overall_outside_diameter	2.4406 INCHES MINIMUM AND 2.4409 INCHES MAXIMUM IN
NSN	3110-00-864-9379

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: MACHINED

•

OUTER RING WIDTH: 0.6643 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN

•

INTERNAL CLEARANCE: 0.0004 INCHES MINIMUM RADIAL AND 0.0018 INCHES MAXIMUM RADIAL IN

•

LOCATING FEATURE: NONLOCATING

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: SOLID INNER AND OUTER RACES

•

MATERIAL DOCUMENT AND CLASSIFICATION: PWA 723,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE INNER RING

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	MACHINED
OUTER RING WIDTH	0.6643 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN
INTERNAL CLEARANCE	0.0004 INCHES MINIMUM RADIAL AND 0.0018 INCHES MAXIMUM RADIAL IN
LOCATING FEATURE	NONLOCATING
SURFACE FINISH	GROUND
STYLE DESIGNATOR	SOLID INNER AND OUTER RACES
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 OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATION	PWA 723,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE ROLLER
OVERALL OUTSIDE DIAMETER	2.4406 INCHES MINIMUM AND 2.4409 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 1

272421Same 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 740878?

740878 is a BEARING,ROLLER,CYLINDRICAL.

What parts can replace 740878?

There is 1 known substitute for 740878: 272421. Substitute compatibility should be verified for your specific system.

What is the NSN for 740878?

740878 is cataloged in the U.S. Government catalog under NSN 3110-00-864-9379. This indicates validated use in U.S. government and defense supply chains.

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740878 — BEARING,ROLLER,CYLINDRICAL

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