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157E5-2053 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

157E5-2053: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.0937 INCHES NOMINAL IN, overall_length: 1.0000 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-080-3548, 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
157E5-2053
NSN: 3120-00-080-3548
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 75377 — KURZ & ROOT GENERATOR COMPANY, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE ALL CORNERS
flange_width0.0937 INCHES NOMINAL IN
overall_length1.0000 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
body_outside_diameter0.6900 INCHES MINIMUM AND 0.6910 INCHES MAXIMUM IN
flange_outside_diameter0.9662 INCHES MINIMUM AND 0.9712 INCHES MAXIMUM IN
nondefinitive_spec/std_data1 TYPE AND A COMPOSITION
NSN3120-00-080-3548
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 157E5-2053 · 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
•
FLANGE OUTSIDE DIAMETER: 0.9662 INCHES MINIMUM AND 0.9712 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.6900 INCHES MINIMUM AND 0.6910 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
BODY INSIDE DIAMETER: 0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND A COMPOSITION
•
FLANGE WIDTH: 0.0937 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER0.9662 INCHES MINIMUM AND 0.9712 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.6900 INCHES MINIMUM AND 0.6910 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
OVERALL LENGTH1.0000 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A COMPOSITION
FLANGE WIDTH0.0937 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
X2717Reference document
Same NSN cross-reference
Reference document — Secondary reference
F612-3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MILB5687TYPE1C0MP0SITI0NAReference document
Same NSN cross-reference
Reference document — Identification 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 157E5-2053?
157E5-2053 is a BEARING,SLEEVE.
What parts can replace 157E5-2053?
There are 3 known substitutes for 157E5-2053: X2717, F612-3, MILB5687TYPE1C0MP0SITI0NA. Substitute compatibility should be verified for your specific system.
What is the NSN for 157E5-2053?
157E5-2053 is cataloged in the U.S. Government catalog under NSN 3120-00-080-3548. This indicates validated use in U.S. government and defense supply chains.
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