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129-B145 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

129-B145: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 841 OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.1050 INCHES MINIMUM AND 0.1100 INCHES MAXIMUM IN, hole_diameter: 0.1870 INCHES NOMINAL FIRST IN, overall_length: 1.2950 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, INTERIOR FLANGE(S) NOT LOCATED AT EITHER END. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-322-9656, 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
129-B145
NSN: 3120-01-322-9656
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 4Z321 — SCHENCK USA CORP DIV TEST DEVICES (USA)
SPECIFICATIONS
materialCOPPER ALLOY 841 OVERALL
corner_shapeSQUARE ALL CORNERS
flange_width0.1050 INCHES MINIMUM AND 0.1100 INCHES MAXIMUM IN
hole_diameter0.1870 INCHES NOMINAL FIRST IN
overall_length1.2950 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END, INTERIOR FLANGE(S) NOT LOCATED AT EITHER END
body_inside_diameter1.5000 INCHES NOMINAL IN
body_outside_diameter1.7510 INCHES MINIMUM AND 1.7514 INCHES MAXIMUM IN
interior_flange_width0.5150 INCHES MINIMUM AND 0.5200 INCHES MAXIMUM IN
flange_outside_diameter2.0000 INCHES NOMINAL IN
interior_flange_hole_diameter0.7534 INCHES MINIMUM AND 0.7536 INCHES MAXIMUM IN
material_document_and_classificationASTM B438 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-322-9656
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 129-B145 · 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
•
INTERIOR FLANGE HOLE DIAMETER: 0.7534 INCHES MINIMUM AND 0.7536 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE ALL CORNERS
•
FLANGE OUTSIDE DIAMETER: 2.0000 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.7510 INCHES MINIMUM AND 1.7514 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END, INTERIOR FLANGE(S) NOT LOCATED AT EITHER END
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B438 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
INTERIOR FLANGE LEFT END TO CENTERLINE DISTANCE: 0.1870 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
INTERIOR FLANGE HOLE DIAMETER0.7534 INCHES MINIMUM AND 0.7536 INCHES MAXIMUM IN
CORNER SHAPESQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER2.0000 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.7510 INCHES MINIMUM AND 1.7514 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END, INTERIOR FLANGE(S) NOT LOCATED AT EITHER END
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B438 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.2950 INCHES NOMINAL IN
INTERIOR FLANGE LEFT END TO CENTERLINE DISTANCE0.1870 INCHES NOMINAL IN
INTERIOR FLANGE WIDTH0.5150 INCHES MINIMUM AND 0.5200 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.5000 INCHES NOMINAL IN
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 129-B145?
129-B145 is a BUSHING,SLEEVE.
What is the NSN for 129-B145?
129-B145 is cataloged in the U.S. Government catalog under NSN 3120-01-322-9656. This indicates validated use in U.S. government and defense supply chains.
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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.