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D27540 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

D27540: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 937 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 3.0000 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.7510 INCHES MINIMUM AND 1.7520 INCHES MAXIMUM IN, body_outside_diameter: 2.0020 INCHES MINIMUM AND 2.0030 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-355-2569, 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
D27540
NSN: 3120-00-355-2569
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY 937 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length3.0000 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.7510 INCHES MINIMUM AND 1.7520 INCHES MAXIMUM IN
body_outside_diameter2.0020 INCHES MINIMUM AND 2.0030 INCHES MAXIMUM IN
lubricant_accommodation_styleGROOVED STRAIGHT AND CIRCULAR
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-355-2569
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: D27540 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 2.0020 INCHES MINIMUM AND 2.0030 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 1.7510 INCHES MINIMUM AND 1.7520 INCHES MAXIMUM IN
•
LUBRICANT ACCOMMODATION STYLE: GROOVED STRAIGHT AND CIRCULAR
•
MATERIAL: COPPER ALLOY 937 OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER2.0020 INCHES MINIMUM AND 2.0030 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH3.0000 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.7510 INCHES MINIMUM AND 1.7520 INCHES MAXIMUM IN
LUBRICANT ACCOMMODATION STYLEGROOVED STRAIGHT AND CIRCULAR
MATERIALCOPPER ALLOY 937 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
27540Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D27540?
D27540 is a BEARING,SLEEVE.
What parts can replace D27540?
There is 1 known substitute for D27540: 27540. Substitute compatibility should be verified for your specific system.
What is the NSN for D27540?
D27540 is cataloged in the U.S. Government catalog under NSN 3120-00-355-2569. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.