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Technical Data Sheet
PartsTable / COMPONENT / 157E5-2053
157E5-2053 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

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 product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) 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
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
•
BODY OUTSIDE DIAMETER: 0.6900 INCHES MINIMUM AND 0.6910 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND A COMPOSITION
•
FLANGE OUTSIDE DIAMETER: 0.9662 INCHES MINIMUM AND 0.9712 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.0937 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE ALL CORNERS
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER0.6900 INCHES MINIMUM AND 0.6910 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A COMPOSITION
FLANGE OUTSIDE DIAMETER0.9662 INCHES MINIMUM AND 0.9712 INCHES MAXIMUM IN
FLANGE WIDTH0.0937 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
OVERALL LENGTH1.0000 INCHES NOMINAL IN
CORNER SHAPESQUARE ALL CORNERS
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
X2717Interchangeable
interchangeable cross-reference
interchangeable
139067-01Interchangeable
interchangeable cross-reference
interchangeable
X2717-1Interchangeable
interchangeable cross-reference
interchangeable
F612-3Interchangeable
Same NIIN cross-reference
interchangeable
MILB5687TYPE1C0MP0SITI0NAInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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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 5 known substitutes for 157E5-2053: X2717, 139067-01, X2717-1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 157E5-2053?
157E5-2053 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-080-3548. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026