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957B048118 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

957B048118: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, corner_shape: SQUARE INSIDE RIGHT CORNER, flange_width: 0.1220 INCHES MINIMUM AND 0.1280 INCHES MAXIMUM IN, overall_length: 0.4950 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.5040 INCHES MINIMUM AND 0.5060 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-070-3377, 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
957B048118
NSN: 3120-01-070-3377
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
corner_shapeSQUARE INSIDE RIGHT CORNER
flange_width0.1220 INCHES MINIMUM AND 0.1280 INCHES MAXIMUM IN
overall_length0.4950 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.5040 INCHES MINIMUM AND 0.5060 INCHES MAXIMUM IN
body_outside_diameter0.7230 INCHES MINIMUM AND 0.7250 INCHES MAXIMUM IN
flange_outside_diameter0.0950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
NSN3120-01-070-3377
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 957B048118 · 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 INSIDE RIGHT CORNER
•
FLANGE OUTSIDE DIAMETER: 0.0950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.7230 INCHES MINIMUM AND 0.7250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
FLANGE OUTSIDE DIAMETER0.0950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.7230 INCHES MINIMUM AND 0.7250 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
OVERALL LENGTH0.4950 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM 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 1
048118Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 957B048118?
957B048118 is a BEARING,SLEEVE.
What parts can replace 957B048118?
There is 1 known substitute for 957B048118: 048118. Substitute compatibility should be verified for your specific system.
What is the NSN for 957B048118?
957B048118 is cataloged in the U.S. Government catalog under NSN 3120-01-070-3377. 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.