639193 — BEARING,SLEEVE

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

639193: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8620 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.2700 INCHES MINIMUM AND 0.2800 INCHES MAXIMUM IN, surface_finish: 20.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY, hardness_rating: 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-478-8558, 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

639193

NSN: 3120-00-478-8558
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 28839 — TELEDYNE INDUSTRIES INC TELEDYNE POWER SYSTEMS DIV (USA)

SPECIFICATIONS

material	STEEL COMP 8620 OVERALL
corner_shape	SQUARE ALL CORNERS
overall_length	0.2700 INCHES MINIMUM AND 0.2800 INCHES MAXIMUM IN
surface_finish	20.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
hardness_rating	58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
style_designator	SOLID, PLAIN, NO OUTSIDE FLANGES
features_provided	CASEHARDENED
body_inside_diameter	0.6240 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN
body_outside_diameter	0.8770 INCHES MINIMUM AND 0.8775 INCHES MAXIMUM IN
NSN	3120-00-478-8558

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 20.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY

•

CORNER SHAPE: SQUARE ALL CORNERS

•

BODY OUTSIDE DIAMETER: 0.8770 INCHES MINIMUM AND 0.8775 INCHES MAXIMUM IN

•

HARDNESS RATING: 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL

•

STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES

•

FEATURES PROVIDED: CASEHARDENED

TECHNICAL CHARACTERISTICS

SURFACE FINISH	20.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	20.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
CORNER SHAPE	SQUARE ALL CORNERS
BODY OUTSIDE DIAMETER	0.8770 INCHES MINIMUM AND 0.8775 INCHES MAXIMUM IN
HARDNESS RATING	58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR	SOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH	0.2700 INCHES MINIMUM AND 0.2800 INCHES MAXIMUM IN
FEATURES PROVIDED	CASEHARDENED
BODY INSIDE DIAMETER	0.6240 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN
MATERIAL	STEEL COMP 8620 OVERALL

SUBSTITUTES & CROSS-REFERENCES 3

2810L19-010Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

350997Reference document

Same NSN cross-reference

Reference document — Secondary reference

SAC230Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 639193?

639193 is a BEARING,SLEEVE.

What parts can replace 639193?

There are 3 known substitutes for 639193: 2810L19-010, 350997, SAC230. Substitute compatibility should be verified for your specific system.

What is the NSN for 639193?

639193 is cataloged in the U.S. Government catalog under NSN 3120-00-478-8558. This indicates validated use in U.S. government and defense supply chains.

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639193 — BEARING,SLEEVE

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