488772 77445 — BEARING,BALL,DUPLEX

✓ Government record, cited

— · TAPERED BEARING

PRODUCT OVERVIEW

488772 77445: BEARING,BALL,DUPLEX.

The BEARING,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 RETAINER, bore_diameter: 140.0 MILLIMETERS NOMINAL MM, overall_width: 80.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND, special_features: SPLIT INNER RING,PULLER GROOVE ON INNER AND OUTER RING,RETAINER SILVER PLATED. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-858-2659, 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

488772 77445

NSN: 3110-00-858-2659
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

material	STEEL COMP 4340 RETAINER
bore_diameter	140.0 MILLIMETERS NOMINAL MM
overall_width	80.0 MILLIMETERS NOMINAL MM
load_direction	RADIAL
surface_finish	GROUND
special_features	SPLIT INNER RING,PULLER GROOVE ON INNER AND OUTER RING,RETAINER SILVER PLATED
style_designator	NON-LOADING GROOVE, NON-SEPARABLE, TANDEM MOUNTING
internal_clearance	0.0049 INCHES MINIMUM RADIAL AND 0.0069 INCHES MAXIMUM RADIAL IN
overall_outside_diameter	220.0 MILLIMETERS NOMINAL MM
retainer_fabrication_method	MACHINED
standard_tolerance_designation	ABEC NO.7
part_name_assigned_by_controlling_agency	BEARING BALL
NSN	3110-00-858-2659

COMPONENT DIAGRAM

KEY FEATURES

•

RETAINER FABRICATION METHOD: MACHINED

•

INTERNAL CLEARANCE: 0.0049 INCHES MINIMUM RADIAL AND 0.0069 INCHES MAXIMUM RADIAL IN

•

SURFACE FINISH: GROUND

•

STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE, TANDEM MOUNTING

•

OVERALL OUTSIDE DIAMETER: 220.0 MILLIMETERS NOMINAL MM

•

LOAD DIRECTION: RADIAL

TECHNICAL CHARACTERISTICS

RETAINER FABRICATION METHOD	MACHINED
INTERNAL CLEARANCE	0.0049 INCHES MINIMUM RADIAL AND 0.0069 INCHES MAXIMUM RADIAL IN
SURFACE FINISH	GROUND
STYLE DESIGNATOR	NON-LOADING GROOVE, NON-SEPARABLE, TANDEM MOUNTING
OVERALL WIDTH	80.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER	220.0 MILLIMETERS NOMINAL MM
LOAD DIRECTION	RADIAL
SPECIAL FEATURES	SPLIT INNER RING,PULLER GROOVE ON INNER AND OUTER RING,RETAINER SILVER PLATED
PART NAME ASSIGNED BY CONTROLLING AGENCY	BEARING BALL
STANDARD TOLERANCE DESIGNATION	ABEC NO.7

SUBSTITUTES & CROSS-REFERENCES 4

488772Reference document

Same NSN cross-reference

Reference document — Secondary reference

488769Reference document

Same NSN cross-reference

Reference document — Secondary reference

488768Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

488775Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 488772 77445?

488772 77445 is a BEARING,BALL,DUPLEX.

What parts can replace 488772 77445?

There are 4 known substitutes for 488772 77445: 488772, 488769, 488768 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 488772 77445?

488772 77445 is cataloged in the U.S. Government catalog under NSN 3110-00-858-2659. This indicates validated use in U.S. government and defense supply chains.

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488772 77445 — BEARING,BALL,DUPLEX

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