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BL2545 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

BL2545: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, corner_shape: ROUND OUTSIDE LEFT CORNER, flange_width: 0.2120 INCHES MINIMUM AND 0.2150 INCHES MAXIMUM IN, overall_length: 0.2969 INCHES NOMINAL IN, hardness_rating: 60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SEGMENTED, EXTERNAL FLANGE ONE END. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-720-2279, 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
BL2545
NSN: 3120-00-720-2279
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 08484 — BREEZE-EASTERN LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
corner_shapeROUND OUTSIDE LEFT CORNER
flange_width0.2120 INCHES MINIMUM AND 0.2150 INCHES MAXIMUM IN
overall_length0.2969 INCHES NOMINAL IN
hardness_rating60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSEGMENTED, EXTERNAL FLANGE ONE END
surface_treatmentCHROMIUM OVERALL
body_inside_diameter0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN
body_outside_diameter0.6240 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN
flange_outside_diameter0.7350 INCHES MINIMUM AND 0.7400 INCHES MAXIMUM IN
NSN3120-00-720-2279
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: BL2545 · 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: ROUND OUTSIDE LEFT CORNER
•
FLANGE OUTSIDE DIAMETER: 0.7350 INCHES MINIMUM AND 0.7400 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.6240 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPEROUND OUTSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPEROUND OUTSIDE RIGHT CORNER
FLANGE OUTSIDE DIAMETER0.7350 INCHES MINIMUM AND 0.7400 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.6240 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN
HARDNESS RATING60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSEGMENTED, EXTERNAL FLANGE ONE END
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BL2545?
BL2545 is a BUSHING,SLEEVE.
What is the NSN for BL2545?
BL2545 is cataloged in the U.S. Government catalog under NSN 3120-00-720-2279. 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.